Enthalpy of mixing of liquid Co–Sn alloys
Identifieur interne : 000431 ( Pmc/Corpus ); précédent : 000430; suivant : 000432Enthalpy of mixing of liquid Co–Sn alloys
Auteurs : A. Yakymovych ; S. Fürtauer ; A. Elmahfoudi ; H. Ipser ; H. FlandorferSource :
- The Journal of Chemical Thermodynamics [ 0021-9614 ] ; 2014.
Abstract
The enthalpies of mixing of liquid Co–Sn alloys between The temperature dependence of the enthalpies of mixing was described. Full report of measured values including polynomial coefficients.
Url:
DOI: 10.1016/j.jct.2014.02.013
PubMed: 24994940
PubMed Central: 4047614
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<record><TEI><teiHeader><fileDesc><titleStmt><title xml:lang="en">Enthalpy of mixing of liquid Co–Sn alloys</title><author><name sortKey="Yakymovych, A" sort="Yakymovych, A" uniqKey="Yakymovych A" first="A." last="Yakymovych">A. Yakymovych</name><affiliation><nlm:aff id="af005">University of Vienna, Department of Inorganic Chemistry (Materials Chemistry), Währinger Str. 42, A-1090 Vienna, Austria</nlm:aff></affiliation></author><author><name sortKey="Furtauer, S" sort="Furtauer, S" uniqKey="Furtauer S" first="S." last="Fürtauer">S. Fürtauer</name><affiliation><nlm:aff id="af005">University of Vienna, Department of Inorganic Chemistry (Materials Chemistry), Währinger Str. 42, A-1090 Vienna, Austria</nlm:aff></affiliation></author><author><name sortKey="Elmahfoudi, A" sort="Elmahfoudi, A" uniqKey="Elmahfoudi A" first="A." last="Elmahfoudi">A. Elmahfoudi</name><affiliation><nlm:aff id="af010">Faculté des Sciences, Université Mohammed V-Agdal, Laboratoire de Chimie Physique Générale, Av. Ibn Batouta, B.P. 1014, Rabat, Morocco</nlm:aff></affiliation></author><author><name sortKey="Ipser, H" sort="Ipser, H" uniqKey="Ipser H" first="H." last="Ipser">H. Ipser</name><affiliation><nlm:aff id="af005">University of Vienna, Department of Inorganic Chemistry (Materials Chemistry), Währinger Str. 42, A-1090 Vienna, Austria</nlm:aff></affiliation></author><author><name sortKey="Flandorfer, H" sort="Flandorfer, H" uniqKey="Flandorfer H" first="H." last="Flandorfer">H. Flandorfer</name><affiliation><nlm:aff id="af005">University of Vienna, Department of Inorganic Chemistry (Materials Chemistry), Währinger Str. 42, A-1090 Vienna, Austria</nlm:aff></affiliation></author></titleStmt><publicationStmt><idno type="wicri:source">PMC</idno><idno type="pmid">24994940</idno><idno type="pmc">4047614</idno><idno type="url">http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4047614</idno><idno type="RBID">PMC:4047614</idno><idno type="doi">10.1016/j.jct.2014.02.013</idno><date when="2014">2014</date><idno type="wicri:Area/Pmc/Corpus">000431</idno><idno type="wicri:explorRef" wicri:stream="Pmc" wicri:step="Corpus" wicri:corpus="PMC">000431</idno></publicationStmt><sourceDesc><biblStruct><analytic><title xml:lang="en" level="a" type="main">Enthalpy of mixing of liquid Co–Sn alloys</title><author><name sortKey="Yakymovych, A" sort="Yakymovych, A" uniqKey="Yakymovych A" first="A." last="Yakymovych">A. Yakymovych</name><affiliation><nlm:aff id="af005">University of Vienna, Department of Inorganic Chemistry (Materials Chemistry), Währinger Str. 42, A-1090 Vienna, Austria</nlm:aff></affiliation></author><author><name sortKey="Furtauer, S" sort="Furtauer, S" uniqKey="Furtauer S" first="S." last="Fürtauer">S. Fürtauer</name><affiliation><nlm:aff id="af005">University of Vienna, Department of Inorganic Chemistry (Materials Chemistry), Währinger Str. 42, A-1090 Vienna, Austria</nlm:aff></affiliation></author><author><name sortKey="Elmahfoudi, A" sort="Elmahfoudi, A" uniqKey="Elmahfoudi A" first="A." last="Elmahfoudi">A. Elmahfoudi</name><affiliation><nlm:aff id="af010">Faculté des Sciences, Université Mohammed V-Agdal, Laboratoire de Chimie Physique Générale, Av. Ibn Batouta, B.P. 1014, Rabat, Morocco</nlm:aff></affiliation></author><author><name sortKey="Ipser, H" sort="Ipser, H" uniqKey="Ipser H" first="H." last="Ipser">H. Ipser</name><affiliation><nlm:aff id="af005">University of Vienna, Department of Inorganic Chemistry (Materials Chemistry), Währinger Str. 42, A-1090 Vienna, Austria</nlm:aff></affiliation></author><author><name sortKey="Flandorfer, H" sort="Flandorfer, H" uniqKey="Flandorfer H" first="H." last="Flandorfer">H. Flandorfer</name><affiliation><nlm:aff id="af005">University of Vienna, Department of Inorganic Chemistry (Materials Chemistry), Währinger Str. 42, A-1090 Vienna, Austria</nlm:aff></affiliation></author></analytic><series><title level="j">The Journal of Chemical Thermodynamics</title><idno type="ISSN">0021-9614</idno><imprint><date when="2014">2014</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en"><title>Highlights</title><p><list list-type="simple"><list-item id="o0005"><label>•</label><p>The enthalpies of mixing of liquid Co–Sn alloys between <italic>T</italic> = (673 and 1773) K.</p></list-item><list-item id="o0010"><label>•</label><p>The temperature dependence of the enthalpies of mixing was described.</p></list-item><list-item id="o0015"><label>•</label><p>Full report of measured values including polynomial coefficients.</p></list-item></list></p></div></front><back><div1 type="bibliography"><listBibl><biblStruct><analytic><author><name sortKey="Yuan, X" uniqKey="Yuan X">X. 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<front><journal-meta><journal-id journal-id-type="nlm-ta">J Chem Thermodyn</journal-id><journal-id journal-id-type="iso-abbrev">J Chem Thermodyn</journal-id><journal-title-group><journal-title>The Journal of Chemical Thermodynamics</journal-title></journal-title-group><issn pub-type="ppub">0021-9614</issn><publisher><publisher-name>Academic Press</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="pmid">24994940</article-id><article-id pub-id-type="pmc">4047614</article-id><article-id pub-id-type="publisher-id">S0021-9614(14)00062-7</article-id><article-id pub-id-type="doi">10.1016/j.jct.2014.02.013</article-id><article-categories><subj-group subj-group-type="heading"><subject>Article</subject></subj-group></article-categories><title-group><article-title>Enthalpy of mixing of liquid Co–Sn alloys</article-title></title-group><contrib-group><contrib contrib-type="author"><name><surname>Yakymovych</surname><given-names>A.</given-names></name><email>andriy.yakymovych@univie.ac.at</email><xref rid="af005" ref-type="aff">a</xref><xref rid="cor1" ref-type="corresp">⁎</xref></contrib><contrib contrib-type="author"><name><surname>Fürtauer</surname><given-names>S.</given-names></name><xref rid="af005" ref-type="aff">a</xref></contrib><contrib contrib-type="author"><name><surname>Elmahfoudi</surname><given-names>A.</given-names></name><xref rid="af010" ref-type="aff">b</xref></contrib><contrib contrib-type="author"><name><surname>Ipser</surname><given-names>H.</given-names></name><xref rid="af005" ref-type="aff">a</xref></contrib><contrib contrib-type="author"><name><surname>Flandorfer</surname><given-names>H.</given-names></name><xref rid="af005" ref-type="aff">a</xref></contrib></contrib-group><aff id="af005"><label>a</label>University of Vienna, Department of Inorganic Chemistry (Materials Chemistry), Währinger Str. 42, A-1090 Vienna, Austria</aff><aff id="af010"><label>b</label>Faculté des Sciences, Université Mohammed V-Agdal, Laboratoire de Chimie Physique Générale, Av. Ibn Batouta, B.P. 1014, Rabat, Morocco</aff><author-notes><corresp id="cor1"><label>⁎</label>Corresponding author. Tel.: +43 1 4277 52915. <email>andriy.yakymovych@univie.ac.at</email></corresp></author-notes><pub-date pub-type="pmc-release"><day>1</day><month>7</month><year>2014</year></pub-date><pmc-comment> PMC Release delay is 0 months and 0 days and was based on .</pmc-comment>
<pub-date pub-type="ppub"><month>7</month><year>2014</year></pub-date><volume>74</volume><issue>100</issue><fpage>269</fpage><lpage>285</lpage><history><date date-type="received"><day>2</day><month>12</month><year>2013</year></date><date date-type="rev-recd"><day>17</day><month>2</month><year>2014</year></date><date date-type="accepted"><day>20</day><month>2</month><year>2014</year></date></history><permissions><copyright-statement>© 2014 The Authors</copyright-statement><copyright-year>2014</copyright-year><license license-type="CC BY-NC-ND" xlink:href="http://creativecommons.org/licenses/by-nc-nd/3.0/"><license-p>This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/3.0/).</license-p></license></permissions><abstract abstract-type="author-highlights"><title>Highlights</title><p><list list-type="simple"><list-item id="o0005"><label>•</label><p>The enthalpies of mixing of liquid Co–Sn alloys between <italic>T</italic> = (673 and 1773) K.</p></list-item><list-item id="o0010"><label>•</label><p>The temperature dependence of the enthalpies of mixing was described.</p></list-item><list-item id="o0015"><label>•</label><p>Full report of measured values including polynomial coefficients.</p></list-item></list></p></abstract><abstract><p>A literature overview of enthalpy of mixing data for liquid Co–Sn alloys shows large scattering but no clear temperature dependence. Therefore drop calorimetry was performed in the Co–Sn system at twelve different temperatures in 100 K steps in the temperature range (673 to 1773) K. The integral enthalpy of mixing was determined starting from 1173 K and fitted to a standard Redlich–Kister polynomial.</p><p>In addition, the limiting partial molar enthalpy of Co in Sn was investigated by small additions of Co to liquid Sn at temperatures (673 to 1773) K. The integral and partial molar enthalpies of the Co–Sn system generally show an exothermic mixing behavior. Significant temperature dependence was detected for the enthalpies of mixing. The minimum integral enthalpy values vary with rising temperature from approx. −7820 J/mol at <italic>T</italic> = 1173 K to −1350 J/mol at <italic>T</italic> = 1773 K; the position of the minimum is between (59 and 61) at.% Co. The results are discussed and compared with literature data available for this system. X-ray studies and scanning electron microscopy of selected alloys obtained from the calorimetric measurements were carried out in order to check the completeness of the solution process.</p></abstract><kwd-group><title>Keywords</title><kwd>Calorimetry</kwd><kwd>Molar mixing enthalpy</kwd><kwd>Liquid alloys</kwd><kwd>Co–Sn</kwd></kwd-group></article-meta></front><body><sec sec-type="intro" id="s0005"><label>1</label><title>Introduction</title><p>A growing demand on electrical energy for mobile systems, especially for electrically driven cars, makes the development of devices for an efficient storage of electricity necessary. One of the most promising technologies are the Lithium-Ion Batteries (LIBs) which are currently being further developed, both by basic scientific approaches and technological innovations. The search for new materials includes all possible components, <italic>i.e.</italic> anode, cathode, and electrolyte. Among those, intermetallic compounds, including many compounds with Sn, have been discussed extensively, especially as material for the anode, to provide a means for efficient Li storage <xref rid="b0005 b0010 b0015" ref-type="bibr">[1–3]</xref>. Among the possible candidates are also intermetallic compounds in the system of Li with Co–Sn <xref rid="b0020" ref-type="bibr">[4]</xref> for which it is hoped that Li can undergo a reversible reaction without drastic volume change that would destroy the anode and the LIB.</p><p>In other fields, Co–Sn and (Sn–Co)-based alloys are also under discussion for high-temperature lead-free soft solder alloys at <italic>T</italic> = (500 to 620) K <xref rid="b0025 b0030" ref-type="bibr">[5,6]</xref> where they might play a certain role for specialized applications. Likewise, Co–Sn alloys are applied in specific high-tech applications. For example, they have been discussed for the production of metallic glasses <xref rid="b0035" ref-type="bibr">[7]</xref>.</p><p>Information on thermochemistry and phase relationships of the respective alloy systems forms the basis for a systematic materials design which is desired to avoid complex and time consuming trial and error developing methods. Experimental thermochemical quantities such as the enthalpy of mixing are indispensable for the thermodynamic optimization and calculation of phase diagrams (CALPHAD<xref rid="fn1" ref-type="fn">1</xref>) and the calculation of several physical properties, <italic>e.g.</italic> surface tension, viscosity and wettability. Solidification behavior, interfacial diffusion and reaction as well as microstructure and texture of multi-component alloy systems can be estimated from a proper thermodynamic and kinetic data base.</p><p>The purpose of this work is to complete and clarify the information on the enthalpy of mixing of liquid Co–Sn alloys for which the data available in literature are highly inconsistent and to provide a reliable data set. Therefore the integral and partial enthalpies of mixing of molten binary Co–Sn alloys have been measured at several temperatures to obtain both absolute values as well as their temperature dependencies.</p></sec><sec id="s0010"><label>2</label><title>Literature survey</title><p>The integral and partial enthalpies of mixing for liquid Co–Sn alloys have been measured by several authors. Körber and Oelsen <xref rid="b0165" ref-type="bibr">[8]</xref> reported values at <italic>T</italic> = 1773 K, Esin <italic>et al.</italic><xref rid="b0045" ref-type="bibr">[9]</xref> at <italic>T</italic> = 1850 K, Lück <italic>et al.</italic><xref rid="b0050" ref-type="bibr">[10]</xref> in the temperature range (1671 to 1823) K, and Vassilev <italic>et al.</italic><xref rid="b0055" ref-type="bibr">[11]</xref> between (991 and 1303) K, all using calorimetric methods. The Knudsen effusion method was applied to derive enthalpy data at <italic>T</italic> = 1573 K by Eremenko <italic>et al.</italic><xref rid="b0170" ref-type="bibr">[12]</xref>. In most cases the authors indicated an S-shaped curve of Δ<italic><sub>Mix</sub>H vs.</italic> concentration. However, the reported shape and absolute values of the enthalpy of mixing are contradictory. Körber and Oelsen <xref rid="b0165" ref-type="bibr">[8]</xref> and Eremenko <italic>et al.</italic><xref rid="b0170" ref-type="bibr">[12]</xref> reported a positive enthalpy of mixing for Sn-rich and negative values for Co-rich liquid alloys. It is noteworthy that the minimum of about 2500 J/mol at about 75 at.% Co is away from the most stable compound Co<sub>3</sub>Sn<sub>2</sub>. Esin <italic>et al.</italic><xref rid="b0045" ref-type="bibr">[9]</xref> found a similarly shaped Δ<italic><sub>Mix</sub>H</italic> curve but with the endothermic maximum at the Sn-rich side at 10 at.% Co and about 1000 J/mol and with exothermic values in the Co-rich part; the exothermic minimum is at 50 at.% Co and about −4000 J/mol. It has to be pointed out that in the paper by Esin <italic>et al.</italic><xref rid="b0045" ref-type="bibr">[9]</xref> calorimetric measurements are mentioned in the abstract only, and no experimental information or data are given throughout the paper. Values are shown on a graph only without further explanation. Lück <italic>et al.</italic><xref rid="b0050" ref-type="bibr">[10]</xref> measured the enthalpy of mixing at five different temperatures (1671, 1675, 1759, 1780 and 1823 K) and found a significant temperature dependence of Δ<italic><sub>Mix</sub>H</italic> with general endothermic behavior above 1675 K. Below this temperature they found an M-shaped curve of Δ<italic><sub>Mix</sub>H vs.</italic> concentration with slightly negative values in the composition range between (40 and 60) at.% Co. The most recent experimental determination of the enthalpy of mixing of liquid Co–Sn alloys, though only in a narrow composition range, was performed by Vassilev <italic>et al.</italic><xref rid="b0055" ref-type="bibr">[11]</xref>. They obtained generally exothermic values in the concentration region (0 to 10) at.% Co at <italic>T</italic> = (991 and 1020) K.</p><p>Numerous experimental studies of the limiting partial enthalpy of mixing of Co in liquid Sn, <inline-formula><mml:math id="M1" altimg="si1.gif" overflow="scroll"><mml:mrow><mml:mi mathvariant="normal">Δ</mml:mi><mml:msubsup><mml:mrow><mml:mover accent="true"><mml:mrow><mml:mi>H</mml:mi></mml:mrow><mml:mrow><mml:mo stretchy="true">‾</mml:mo></mml:mrow></mml:mover></mml:mrow><mml:mrow><mml:mtext>Co</mml:mtext></mml:mrow><mml:mrow><mml:mi>∞</mml:mi></mml:mrow></mml:msubsup></mml:mrow></mml:math></inline-formula>, have been performed over a large temperature range <xref rid="b0165 b0175 b0070 b0075 b0080" ref-type="bibr">[8,13–16]</xref>. Bowersox <xref rid="b0085" ref-type="bibr">[17]</xref> calculated <inline-formula><mml:math id="M2" altimg="si2.gif" overflow="scroll"><mml:mrow><mml:mi mathvariant="normal">Δ</mml:mi><mml:msubsup><mml:mrow><mml:mover accent="true"><mml:mrow><mml:mi>H</mml:mi></mml:mrow><mml:mrow><mml:mo stretchy="true">‾</mml:mo></mml:mrow></mml:mover></mml:mrow><mml:mrow><mml:mtext>Co</mml:mtext></mml:mrow><mml:mrow><mml:mi>∞</mml:mi></mml:mrow></mml:msubsup></mml:mrow></mml:math></inline-formula> from solubility data over the temperature range (827 to 1211) K. Most of the available literature data were collected in review articles <xref rid="b0180 b0190" ref-type="bibr">[18,19]</xref>. However, there is no clear trend indicated. Basically, exothermic values are reported <xref rid="b0175 b0070 b0075 b0080" ref-type="bibr">[13–16]</xref> but endothermic values can also be found in literature <xref rid="b0165 b0085 b0190" ref-type="bibr">[8,17,19]</xref>. Several thermodynamic assessments <xref rid="b0035 b0100 b0105 b0110" ref-type="bibr">[7,20–22]</xref> of the Co–Sn system were presented based on the experimental data by various authors <xref rid="b0165 b0045 b0050" ref-type="bibr">[8–10]</xref>. Ivanov <xref rid="b0115" ref-type="bibr">[23]</xref> has calculated the enthalpy of mixing of liquid Co–Sn alloys based on the associations theory. Under the assumption of tin clusters and Co<sub>2</sub>Sn type associates in liquid alloys he arrived to calculate a curve by fitting to the experimental values of Körber and Oelsen <xref rid="b0165" ref-type="bibr">[8]</xref>.</p></sec><sec id="s0015"><label>3</label><title>Experimental details</title><p>The calorimetric measurements were carried out using two different calorimeters. For low temperatures up to <italic>T</italic> = 1273 K a Calvet-type twin micro-calorimeter system was used, based on a commercial wire wound resistance furnace (HT-1000, SETARAM, Lyon, France) having two thermopiles with more than 200 thermocouples, equipped with an automatic drop device for up to 30 drops; control and data evaluation was performed with Lab View and HiQ. This system was described in detail by Flandorfer <italic>et al.</italic><xref rid="b0120" ref-type="bibr">[24]</xref>.</p><p>For higher temperatures up to <italic>T</italic> = 1773 K a commercial Multi High-Temperature micro-calorimeter (MHTC, SETARAM, Lyon, France) was available with one thermopile with 20 thermocouples, a graphite tube resistance furnace, a manual drop device for up to 23 drops; control and data evaluation was performed using the software provided by the company.</p><p>The measurements were generally performed in graphite crucibles under Ar flow (99.999 vol.%, purification from oxygen, approx. 30 ml/min). At the end of each series the calorimeters were calibrated by five drops of standard α-Al<sub>2</sub>O<sub>3</sub> provided by NIST (National Institute of Standards and Technology, Gaithersburg, MD). The time interval between individual drops was usually 2400 s and the acquisition interval of the heat flow was 0.5 s. The obtained signals were recorded and integrated. The measured enthalpy (integrated heat flow at constant pressure) is<disp-formula id="e0005"><label>(1)</label><mml:math id="M3" altimg="si3.gif" overflow="scroll"><mml:mi mathvariant="normal">Δ</mml:mi><mml:msub><mml:mrow><mml:mi>H</mml:mi></mml:mrow><mml:mrow><mml:mtext>Signal</mml:mtext></mml:mrow></mml:msub><mml:mo>=</mml:mo><mml:msub><mml:mrow><mml:mi>n</mml:mi></mml:mrow><mml:mrow><mml:mi>i</mml:mi></mml:mrow></mml:msub><mml:mo stretchy="false">(</mml:mo><mml:msub><mml:mrow><mml:mi>H</mml:mi></mml:mrow><mml:mrow><mml:mi>m</mml:mi><mml:mtext>,</mml:mtext><mml:mi>i</mml:mi><mml:mtext>,</mml:mtext><mml:msub><mml:mrow><mml:mi>T</mml:mi></mml:mrow><mml:mrow><mml:mi>M</mml:mi></mml:mrow></mml:msub></mml:mrow></mml:msub><mml:mo>-</mml:mo><mml:msub><mml:mrow><mml:mi>H</mml:mi></mml:mrow><mml:mrow><mml:mi>m</mml:mi><mml:mtext>,</mml:mtext><mml:mi>i</mml:mi><mml:mtext>,</mml:mtext><mml:msub><mml:mrow><mml:mi>T</mml:mi></mml:mrow><mml:mrow><mml:mi>D</mml:mi></mml:mrow></mml:msub></mml:mrow></mml:msub><mml:mo stretchy="false">)</mml:mo><mml:mo>+</mml:mo><mml:mi mathvariant="normal">Δ</mml:mi><mml:msub><mml:mrow><mml:mi>H</mml:mi></mml:mrow><mml:mrow><mml:mtext>Reaction</mml:mtext></mml:mrow></mml:msub><mml:mtext>,</mml:mtext></mml:math></disp-formula>where <italic>n<sub>i</sub></italic> is the number of moles of the added element <italic>i</italic>, <italic>H<sub>m</sub></italic> denotes molar enthalpies, <italic>T<sub>D</sub></italic> is the drop temperature, and <italic>T<sub>M</sub></italic> is the calorimeter temperature of the respective measurement in Kelvin. The molar enthalpy difference <inline-formula><mml:math id="M4" altimg="si4.gif" overflow="scroll"><mml:mrow><mml:mo stretchy="false">(</mml:mo><mml:msub><mml:mrow><mml:mi>H</mml:mi></mml:mrow><mml:mrow><mml:mi>m</mml:mi><mml:mtext>,</mml:mtext><mml:mi>i</mml:mi><mml:mtext>,</mml:mtext><mml:msub><mml:mrow><mml:mi>T</mml:mi></mml:mrow><mml:mrow><mml:mi>M</mml:mi></mml:mrow></mml:msub></mml:mrow></mml:msub><mml:mo>-</mml:mo><mml:msub><mml:mrow><mml:mi>H</mml:mi></mml:mrow><mml:mrow><mml:mi>m</mml:mi><mml:mtext>,</mml:mtext><mml:mi>i</mml:mi><mml:mtext>,</mml:mtext><mml:msub><mml:mrow><mml:mi>T</mml:mi></mml:mrow><mml:mrow><mml:mi>D</mml:mi></mml:mrow></mml:msub></mml:mrow></mml:msub><mml:mo stretchy="false">)</mml:mo></mml:mrow></mml:math></inline-formula> was calculated using the SGTE data for pure elements <xref rid="b0125" ref-type="bibr">[25]</xref>. Because of the rather small masses of added component, partial enthalpies can be calculated directly as<disp-formula id="e0010"><label>(2)</label><mml:math id="M5" altimg="si5.gif" overflow="scroll"><mml:mi mathvariant="normal">Δ</mml:mi><mml:msub><mml:mrow><mml:mover accent="true"><mml:mrow><mml:mi>H</mml:mi></mml:mrow><mml:mrow><mml:mo stretchy="true">‾</mml:mo></mml:mrow></mml:mover></mml:mrow><mml:mrow><mml:mi>i</mml:mi></mml:mrow></mml:msub><mml:mo>=</mml:mo><mml:mfrac><mml:mrow><mml:mi mathvariant="normal">Δ</mml:mi><mml:msub><mml:mrow><mml:mi>H</mml:mi></mml:mrow><mml:mrow><mml:mtext>Reaction</mml:mtext></mml:mrow></mml:msub></mml:mrow><mml:mrow><mml:msub><mml:mrow><mml:mi>n</mml:mi></mml:mrow><mml:mrow><mml:mi>i</mml:mi></mml:mrow></mml:msub></mml:mrow></mml:mfrac><mml:mtext>.</mml:mtext></mml:math></disp-formula></p><p>The integral molar enthalpy of mixing, Δ<italic><sub>Mix</sub>H</italic>, was calculated by summing the respective reaction enthalpies and division by the total molar amount of substance, where <italic>n<sub>j</sub></italic> stands for the molar amount of substance which was already present in the crucible:<disp-formula id="e0015"><label>(3)</label><mml:math id="M6" altimg="si6.gif" overflow="scroll"><mml:msub><mml:mrow><mml:mi mathvariant="normal">Δ</mml:mi></mml:mrow><mml:mrow><mml:mi mathvariant="italic">Mix</mml:mi></mml:mrow></mml:msub><mml:mi>H</mml:mi><mml:mo>=</mml:mo><mml:mfrac><mml:mrow><mml:mrow><mml:mo>∑</mml:mo></mml:mrow><mml:mi mathvariant="normal">Δ</mml:mi><mml:msub><mml:mrow><mml:mi>H</mml:mi></mml:mrow><mml:mrow><mml:mtext>Reaction</mml:mtext></mml:mrow></mml:msub></mml:mrow><mml:mrow><mml:msub><mml:mrow><mml:mi>n</mml:mi></mml:mrow><mml:mrow><mml:mi>j</mml:mi></mml:mrow></mml:msub><mml:mo>+</mml:mo><mml:mrow><mml:mo>∑</mml:mo></mml:mrow><mml:msub><mml:mrow><mml:mi>n</mml:mi></mml:mrow><mml:mrow><mml:mtext>i</mml:mtext></mml:mrow></mml:msub></mml:mrow></mml:mfrac><mml:mtext>.</mml:mtext></mml:math></disp-formula></p><p>Co and Sn of high purity (99.99%, Alfa Aesar, Karlsruhe, Germany) were used without further purification. The measurements were carried out by adding solid Co to liquid Sn at twelve different temperatures (673 to 1773) K in intervals of 100 K. In the temperature interval between (673 and 1773) K measurements were performed with very small concentration steps (15 to 25 drops up to <italic>x</italic><sub>Co</sub> ⩽ 0.07) in order to determine the limiting partial enthalpy of mixing of Co in Sn. From 1173 K upwards, measurements were also done with much larger steps in order to determine the integral and partial enthalpies of mixing over a wide concentration range.</p><p>In the first case 15 to 25 pieces of Co with masses between (10 and 20) mg were dropped into (7 to 9.5) g of liquid Sn in order to determine the limiting partial enthalpy of mixing of Co in liquid Sn. Measurements for the determination of the integral enthalpy of mixing were carried out starting from <italic>T</italic> = (1173 to 1773) K. Between (9 and 19) pieces of Co with masses between (20 and 50) mg were dropped into (1.0 to 2.5) g of liquid Sn. The mass of dropped Co pieces was increased throughout each calorimetric run in order to make nearly equal atomic fraction steps. Additional calorimetric measurements were performed dropping Sn into liquid Co at <italic>T</italic> = 1773 K, slightly above the melting point of Co. However, it was found that the integral enthalpy of mixing values determined by the addition of Sn to liquid Co placed in a graphite crucible were in disagreement with values obtained by dropping Co pieces into Sn-rich solutions. Values at about 50 at.% Co, determined from both sides, differed significantly. We suppose that this was caused by a reaction between sample and graphite crucible and further formation of the ternary compound Co<sub>3</sub>SnC<sub>0.7</sub><xref rid="b0130" ref-type="bibr">[26]</xref>. Such measurements using Al<sub>2</sub>O<sub>3</sub> crucibles gave much better agreement at the cross over zone (see <xref rid="t0005" ref-type="table">table 1</xref> and <xref rid="f0005" ref-type="fig">figure 1</xref>). A least square fit based on the entire set of Δ<italic><sub>Mix</sub>H</italic> values at <italic>T</italic> = 1773 K, measured from both sides, is only possible using a Redlich–Kister polynomial with four interaction parameters whereas at all the other temperatures two parameters were sufficient. To present a more consistent data set we did not include enthalpy values obtained by drops of Sn into Co for the mathematical description of the enthalpy of mixing at <italic>T</italic> = 1773 K.</p><p>Random as well as systematic errors of drop calorimetry depend on the calorimeter construction, calibration procedure, signal integration and “chemical errors”, <italic>e.g.</italic> incomplete reaction or impurities. Considering many calibration measurements done by dropping NIST standard sapphire, the standard deviation can be estimated to be less than ±1% for the HT-1000 and less than ±1.5% for the MHTC instrument. The systematic errors are mainly caused by parasitic heat flows, base line problems at signal integration and dropping and mixing problems. One can estimate that the random error of the measured enthalpy is ±150 J for measurements with our HT-1000 and ±300 J for the MHTC calorimeter. The experimental results of the enthalpy of mixing and the partial enthalpy of mixing together with error values for each drop are represented in the <xref rid="t0005 t0010" ref-type="table">tables 1 and 2</xref>.</p><p>Selected furnace cooled alloys after calorimetric runs were checked by scanning electron microscopy (SEM) and X-ray diffraction (XRD) to ensure complete dissolution of the dropped component. The powder XRD measurements were done on a Bruker D8 diffractometer at ambient temperature using Ni filtered CuK<sub>α</sub> radiation (accelerating voltage 40 kV, electron current 40 mA). The diffractometer operates in the <italic>θ:</italic>2<italic>θ</italic> mode. The powder was fixed with petroleum jelly on a single crystal silicon sample carrier which was rotated during the measurement. The detection unit was a Lynxeye strip detector. Indexing of the phases was supported by the Inorganic Crystal Structural Database (ICSD). Rietveld refinement of the XRD patterns was done with the Topas3® software provided by Bruker AXS.</p><p>The electron microscope Zeiss Supra 55 VP was used for metallographic investigations. The excitation energy of the electron beam was (15 to 20) kV; backscattered electrons were detected in order to visualize the surfaces of the samples. The chemical analyses of the sample phases were performed using the energy dispersive X-ray (EDX) technique with the two characteristic spectral lines Cu_K and Sb_L. Standard deviations for the chemical compositions obtained from EDX were about ±1 at.%.</p></sec><sec sec-type="discussion" id="s0020"><label>4</label><title>Results and discussion</title><p>The experimental results of 16 measurement series over wide concentration ranges performed at temperatures (1173 to 1773) K can be found in <xref rid="t0005" ref-type="table">table 1</xref>. The values within the shaded fields refer to the two-phase fields (<italic>L</italic> + CoSn) at <italic>T</italic> = 1173 K or (<italic>L</italic> + Co<sub>3</sub>Sn<sub>2</sub>) at higher temperatures. <xref rid="f0005" ref-type="fig">Figure 1</xref> shows the experimental data indicating a clear temperature dependence of the integral enthalpy of mixing, with more exothermic values at lower temperatures. As an example, the behavior of the partial and integral enthalpies of mixing crossing a two-phase field (<italic>L</italic> + CoSn) is shown in <xref rid="f0010" ref-type="fig">figure 2</xref>. A kink in the integral enthalpy <italic>vs.</italic> concentration curve indicates the liquidus limit. Within the two-phase region the curve becomes linear. The intersection of the fitted curve with the linear part corresponds to the limiting liquidus concentration at <italic>T</italic> = 1173 K. The concentration dependence of the partial enthalpy values exhibits a discontinuity at the phase boundary. The estimated limiting liquidus concentration values at approx. 15 at.% Co at <italic>T</italic> = 1173 K and 26 at.% Co at <italic>T</italic> = 1273 K are in good agreement with literature data <xref rid="b0035" ref-type="bibr">[7]</xref> (15 and 27 at.% Co, respectively).</p><p>In order to prove that all pieces of the solid component dropped into the liquid bath had completely dissolved, selected alloys were investigated by means of SEM–EDX and powder XRD measurements after the calorimeter had cooled down. The results of phase analyses along with BSE images of three exemplary alloys can be found in <xref rid="t0015" ref-type="table">table 3</xref>. No residual pure Co or Sn was found in the investigated samples. The Sn phase in the alloy Co<sub>43</sub>Sn<sub>57</sub> clearly origins from non-equilibrium solidification of the liquid phase and is not a residual of the Sn dropped. The XRD phase analysis fully confirmed the phases that had been found by SEM–EDX.</p><p>For a mathematical description of the integral enthalpies of mixing as a function of the molar fraction of Co, the experimental data at temperatures (1173 to 1773) K were subjected to a least square fit based on a Redlich–Kister polynomial <xref rid="b0135" ref-type="bibr">[27]</xref> as proposed by Ansara and Dupin <xref rid="b0140" ref-type="bibr">[28]</xref><disp-formula id="e0020"><label>(4)</label><mml:math id="M7" altimg="si7.gif" overflow="scroll"><mml:msub><mml:mrow><mml:mi mathvariant="normal">Δ</mml:mi></mml:mrow><mml:mrow><mml:mi mathvariant="italic">Mix</mml:mi></mml:mrow></mml:msub><mml:mi>H</mml:mi><mml:mo>=</mml:mo><mml:msub><mml:mrow><mml:mi>x</mml:mi></mml:mrow><mml:mrow><mml:mi>i</mml:mi></mml:mrow></mml:msub><mml:msub><mml:mrow><mml:mi>x</mml:mi></mml:mrow><mml:mrow><mml:mi>j</mml:mi></mml:mrow></mml:msub><mml:mstyle displaystyle="true"><mml:munder><mml:mrow><mml:mo>∑</mml:mo></mml:mrow><mml:mrow><mml:mi>v</mml:mi></mml:mrow></mml:munder></mml:mstyle><mml:msup><mml:mrow></mml:mrow><mml:mrow><mml:mo stretchy="false">(</mml:mo><mml:mi>v</mml:mi><mml:mo stretchy="false">)</mml:mo></mml:mrow></mml:msup><mml:msub><mml:mrow><mml:mi>L</mml:mi></mml:mrow><mml:mrow><mml:mi>i</mml:mi><mml:mtext>,</mml:mtext><mml:mi>j</mml:mi></mml:mrow></mml:msub><mml:msup><mml:mrow><mml:mfenced open="(" close=")"><mml:mrow><mml:msub><mml:mrow><mml:mi>x</mml:mi></mml:mrow><mml:mrow><mml:mi>i</mml:mi></mml:mrow></mml:msub><mml:mo>-</mml:mo><mml:msub><mml:mrow><mml:mi>x</mml:mi></mml:mrow><mml:mrow><mml:mi>j</mml:mi></mml:mrow></mml:msub></mml:mrow></mml:mfenced></mml:mrow><mml:mrow><mml:mi>v</mml:mi></mml:mrow></mml:msup><mml:mtext>,</mml:mtext></mml:math></disp-formula>where <italic>i</italic> and <italic>j</italic> are equal to 1 and 2 for the elements Co and Sn, and <inline-formula><mml:math id="M8" altimg="si8.gif" overflow="scroll"><mml:mrow><mml:msup><mml:mrow></mml:mrow><mml:mrow><mml:mi>v</mml:mi></mml:mrow></mml:msup><mml:msub><mml:mrow><mml:mi>L</mml:mi></mml:mrow><mml:mrow><mml:mtext>Co</mml:mtext><mml:mo>-</mml:mo><mml:mtext>Sn</mml:mtext></mml:mrow></mml:msub></mml:mrow></mml:math></inline-formula> are the binary interaction parameters, with <italic>ν</italic> = 0, 1, … . These interaction parameters were determined using the experimental Δ<italic><sub>Mix</sub>H</italic> values from <xref rid="t0005" ref-type="table">table 1</xref>, and they are listed in <xref rid="t0020" ref-type="table">table 4</xref>. At all temperatures it was possible to describe the course of the values applying only two interaction parameters (<italic>ν</italic><sub>max</sub> = 1). The obtained data were plotted as dashed lines in <xref rid="f0005" ref-type="fig">figure 1</xref>. According to our results the minimum of the enthalpy of mixing is shifted towards less exothermic values with increasing temperatures; from about −7820 J/mol at <italic>T</italic> = 1173 K to about −1350 J/mol at <italic>T</italic> = 1773 K with the minimum point concentration between about (59 and 61) at.% Co. These observations can be explained based on the so called “association theory” <xref rid="b0145" ref-type="bibr">[29]</xref> assuming particular interactions within a certain configuration of Co and Sn. The changes of binary interaction parameters with temperature were described using linear equations: <sup><italic>0</italic></sup><italic>L </italic>= −75466.9610 + 39.6726 * <italic>T</italic> and <sup><italic>1</italic></sup><italic>L </italic>= −30685.2702 + 15.0835 * <italic>T</italic> (temperatures in K). A graphical presentation of these fits is shown in <xref rid="f0015" ref-type="fig">figure 3</xref>.</p><p>The possibility to form such associates in the liquid state was discussed for Co–Sn by Ivanov <xref rid="b0115" ref-type="bibr">[23]</xref> and Komarnytsky <italic>et al.</italic><xref rid="b0150" ref-type="bibr">[30]</xref>. The first author <xref rid="b0115" ref-type="bibr">[23]</xref> supposed the existence of an associate with the stoichiometry Co<sub>2</sub>Sn while the authors of <xref rid="b0150" ref-type="bibr">[30]</xref> postulated Co<sub>3</sub>Sn<sub>2</sub> as an associate. Both compositions appear as solid phases in Co–Sn although Co<sub>3</sub>Sn<sub>2</sub> is the more stable compound. Generally, the stability of associates is considered to decrease with rising temperature which explains the less exothermic values at elevated temperatures. The competition between the two types of associates could be the reason for the concentration shift of the minimum enthalpy of mixing to higher Co contents. The loss of stability with increasing temperature should be less for Co<sub>2</sub>Sn than for Co<sub>3</sub>Sn<sub>2</sub>. Fitting our experimental data to common association models <xref rid="b0145" ref-type="bibr">[29]</xref> does not give a clear result which associates are involved. It is possible to well describe the experimental data but the physical meaning is not significant. For a mathematical description, the Redlich–Kister polynomials are preferable because they are much simpler and the number of necessary parameters is lower.</p><p>A comparison of our experimental data at <italic>T</italic> = (973 and 1573) K with available literature data at similar temperatures is shown in <xref rid="f0020" ref-type="fig">figure 4</xref>. Jiang <italic>et al.</italic><xref rid="b0035" ref-type="bibr">[7]</xref> modeled the concentration and temperature dependencies of the integral enthalpy of mixing, based on earlier literature data, and found the minimum at <italic>T</italic> = 1573 K around −1630 J/mol close to 56 at.% Co whereas our data are characterized by a minimum of approx. −3370 J/mol around 61 at.% Co at the same temperature. Our results are in satisfactory agreement with the experimental data by Vassilev <italic>et al.</italic><xref rid="b0055" ref-type="bibr">[11]</xref> at <italic>T</italic> = 991 K and generally confirm the tendency to an enthalpy minimum on the cobalt-rich side. <xref rid="f0025" ref-type="fig">Figure 5</xref> shows our results for <italic>Δ<sub>Mix</sub>H</italic> at <italic>T</italic> = 1773 K compared to literature data also obtained at such high temperatures. The values given by Körber and Oelsen <xref rid="b0165" ref-type="bibr">[8]</xref> agree in the Co-rich part but become endothermic towards pure Sn. The values given by Esin <italic>et al.</italic><xref rid="b0045" ref-type="bibr">[9]</xref> are quite different but still exothermic at <italic>x</italic><sub>Co</sub> ⩾ 0.2. They report about calorimetric measurements but only show calculations and not their original experimental results. Lück <italic>et al.</italic><xref rid="b0050" ref-type="bibr">[10]</xref> surprisingly show endothermic enthalpy of mixing values in the Co-rich part, contrary to any other results in the literature. At this point it has to be mentioned that it is not clear whether other authors considered the enthalpy effect due to the magnetic transition of cobalt for their evaluations. The enthalpy effect which is approx. (8 to 8.5) kJ/mol was calculated according to the SGTE database and needs to be provided if ferromagnetic Co dissolves in liquid Sn. This has to be considered for the evaluations otherwise the results are less exothermic or even endothermic.</p><p>The results of all our measurements up to <italic>x</italic><sub>Co</sub> ⩽ 0.07 performed at temperatures (673 to 1773) K for the determination of the limiting partial enthalpy of Co in Sn are listed in <xref rid="t0010" ref-type="table">table 2</xref>, which comprises the heat effect for each drop and the partial and integral enthalpies of mixing.</p><p>Crossing the liquidus line into a two-phase field (<italic>L</italic> → <italic>L</italic> + CoSn<sub>2</sub> or <italic>L</italic> → <italic>L</italic> + CoSn) is usually indicated by a kink in the integral enthalpy of mixing and a discontinuity in the partial values; see <xref rid="f0010" ref-type="fig">figure 2</xref>. Interestingly, the enthalpy curves at low temperatures don not show any clear kink or jump, respectively, as it was expected with respect to the phase diagram given <italic>e.g.</italic> in reference <xref rid="b0035" ref-type="bibr">[7]</xref>. For instance, we did not find any significant effect at <italic>T</italic> = 673 K, the lowest of our experimental temperatures, as shown in <xref rid="f0030" ref-type="fig">figure 6</xref>, although CoSn<sub>2</sub> has clearly been formed (see EPMA results given in <xref rid="t0010" ref-type="table">table 2</xref>); the partial enthalpy of mixing (about −24 kJ/mol) does not change abruptly although we should have crossed the liquid phase boundary. The reason might be that the heat effect, caused by mixing of one mole of liquid Co into the liquid alloy (partial enthalpy of mixing), is approximately equal to the heat effect for crystallization of approximately one mole Co and its reaction with the corresponding amount of liquid Co<sub>3</sub>Sn<sub>97</sub> forming one mole solid CoSn<sub>2</sub>. Based on the data collected in <xref rid="t0015" ref-type="table">table 3</xref> of reference <xref rid="b0055" ref-type="bibr">[11]</xref>, an average value of −16.6 kJ/mol can be calculated for the enthalpy of formation of Co<sub>0.33</sub>Sn<sub>0.67</sub>, referred to Co(s, fcc) and Sn(l) which makes −49.8 kJ referred to one mole of CoSn<sub>2</sub> at <italic>T</italic> = 673 K. According to the SGTE database for the elements <xref rid="b0125" ref-type="bibr">[25]</xref> the crystallization enthalpy of one mole Co at <italic>T</italic> = 673 K can be calculated as ∼23.3 kJ. The enthalpy necessary to provide the corresponding amount of Co(s) and Sn(l) from liquid Co<sub>3</sub>Sn<sub>97</sub> is roughly estimated to be 1.5 kJ/mole Co. With these numbers, the calculation of the molar partial effect for dropping Co to liquid Co<sub>3</sub>Sn<sub>97</sub> and formation of CoSn<sub>2</sub> gives −25 kJ. This agrees quite well with the values observed experimentally and shown in <xref rid="f0030" ref-type="fig">figure 6</xref> and would explain the missing of any clear kink or discontinuity in the enthalpy curves. A similar behavior could be observed at <italic>T</italic> = 773 K where still CoSn<sub>2</sub> should crystallize first from the liquid at less than 3 at.% Co <xref rid="b0035" ref-type="bibr">[7]</xref>.</p><p>The limiting partial enthalpies of mixing of pure Co into liquid Sn, <inline-formula><mml:math id="M9" altimg="si9.gif" overflow="scroll"><mml:mrow><mml:mi mathvariant="normal">Δ</mml:mi><mml:msubsup><mml:mrow><mml:mover accent="true"><mml:mrow><mml:mi>H</mml:mi></mml:mrow><mml:mrow><mml:mo stretchy="true">‾</mml:mo></mml:mrow></mml:mover></mml:mrow><mml:mrow><mml:mtext>Co</mml:mtext></mml:mrow><mml:mrow><mml:mi>∞</mml:mi></mml:mrow></mml:msubsup></mml:mrow></mml:math></inline-formula>, were determined at temperatures (673 to 1773) K by extrapolation of the partial molar enthalpies close to pure Sn applying a linear function. Our data are compared with experimental values from literature and are generally in good agreement with the exothermic values published in references <xref rid="b0175 b0070 b0075 b0080" ref-type="bibr">[13–16]</xref> but not with endothermic results of references <xref rid="b0165 b0085" ref-type="bibr">[8,17]</xref> (<xref rid="t0025" ref-type="table">table 5</xref>). The collected data of calorimetric measurements of <inline-formula><mml:math id="M10" altimg="si10.gif" overflow="scroll"><mml:mrow><mml:mi mathvariant="normal">Δ</mml:mi><mml:msubsup><mml:mrow><mml:mover accent="true"><mml:mrow><mml:mi>H</mml:mi></mml:mrow><mml:mrow><mml:mo stretchy="true">‾</mml:mo></mml:mrow></mml:mover></mml:mrow><mml:mrow><mml:mtext>Co</mml:mtext></mml:mrow><mml:mrow><mml:mi>∞</mml:mi></mml:mrow></mml:msubsup></mml:mrow></mml:math></inline-formula> were plotted <italic>vs.</italic> temperature in <xref rid="f0035" ref-type="fig">figure 7</xref>. Our experimental <inline-formula><mml:math id="M11" altimg="si11.gif" overflow="scroll"><mml:mrow><mml:mi mathvariant="normal">Δ</mml:mi><mml:msubsup><mml:mrow><mml:mover accent="true"><mml:mrow><mml:mi>H</mml:mi></mml:mrow><mml:mrow><mml:mo stretchy="true">‾</mml:mo></mml:mrow></mml:mover></mml:mrow><mml:mrow><mml:mtext>Co</mml:mtext></mml:mrow><mml:mrow><mml:mi>∞</mml:mi></mml:mrow></mml:msubsup></mml:mrow></mml:math></inline-formula>-values become less negative at temperatures above 973 K. At lower temperatures (673 to 973) K values which are constant or even decreasing with temperature are observed. According to Kaptay <xref rid="b0155 b0160" ref-type="bibr">[31,32]</xref> some thermodynamic quantities can show exponential temperature dependence. Therefore, the obtained curve of <inline-formula><mml:math id="M12" altimg="si12.gif" overflow="scroll"><mml:mrow><mml:mi mathvariant="normal">Δ</mml:mi><mml:msubsup><mml:mrow><mml:mover accent="true"><mml:mrow><mml:mi>H</mml:mi></mml:mrow><mml:mrow><mml:mo stretchy="true">‾</mml:mo></mml:mrow></mml:mover></mml:mrow><mml:mrow><mml:mtext>Co</mml:mtext></mml:mrow><mml:mrow><mml:mi>∞</mml:mi></mml:mrow></mml:msubsup></mml:mrow></mml:math></inline-formula> with temperature requires a precise theoretical analysis. It is noteworthy that Torgersen <italic>et al.</italic><xref rid="b0175" ref-type="bibr">[13]</xref> suggested the temperature variation of <inline-formula><mml:math id="M13" altimg="si13.gif" overflow="scroll"><mml:mrow><mml:mi mathvariant="normal">Δ</mml:mi><mml:msubsup><mml:mrow><mml:mover accent="true"><mml:mrow><mml:mi>H</mml:mi></mml:mrow><mml:mrow><mml:mo stretchy="true">‾</mml:mo></mml:mrow></mml:mover></mml:mrow><mml:mrow><mml:mtext>Co</mml:mtext></mml:mrow><mml:mrow><mml:mi>∞</mml:mi></mml:mrow></mml:msubsup></mml:mrow></mml:math></inline-formula> to be attributed to the existence of Co<italic><sub>n</sub></italic> clusters or Co<italic><sub>n</sub></italic>Sn<italic><sub>m</sub></italic> units in the liquid at low temperatures. Our results qualitatively confirm the assumption of short range order effects in liquid Co–Sn alloys.</p></sec><sec sec-type="conclusions" id="s0025"><label>5</label><title>Conclusions</title><p>Enthalpy of mixing values published in literature generally show large variations. A temperature dependence was suggested but not proved consistently up to now. Summarizing the literature values at different temperatures does not give a stringent picture of temperature dependence. In this work the enthalpy of mixing was determined using drop calorimetry in <italic>T</italic> = 100 K steps in the temperature range <italic>T</italic> = (663 to 1773) K. The new values obtained are generally exothermic and show a clear temperature dependence of the integral and partial enthalpy of mixing with less exothermic values on rising temperature. The limiting partial enthalpy of Co in Sn is nearly constant at temperatures <italic>T</italic> = (673 to 973) K. Then the values rise and approach an exothermic value of about −1350 J/mol at <italic>T</italic> = 1773 K. 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A</source><volume>43</volume><year>2012</year><fpage>531</fpage><lpage>543</lpage></element-citation></ref><ref id="b0160"><label>32</label><element-citation publication-type="journal" id="h9010"><person-group person-group-type="author"><name><surname>Kaptay</surname><given-names>G.</given-names></name></person-group><source>Calphad</source><volume>44</volume><year>2014</year><fpage>81</fpage><lpage>94</lpage></element-citation></ref></ref-list><ack id="ak005"><title>Acknowledgements</title><p>Financial support from the Austrian Science Fund (FWF) under Project Nos. I559, M1324 and P21507 is gratefully acknowledged.</p></ack><fn-group><fn id="fn1"><label>1</label><p>CALPHAD = CALculation of PHAse Diagrams.</p></fn></fn-group></back><floats-group><fig id="f0005"><label>FIGURE 1</label><caption><p>Experimental data of integral enthalpy of mixing of liquid Co–Sn alloys; standard states: pure liquid components.</p></caption><graphic xlink:href="gr1"></graphic></fig><fig id="f0010"><label>FIGURE 2</label><caption><p>Partial and integral enthalpies of mixing of Co–Sn alloys at <italic>T</italic> = 1173 K crossing the (<italic>L</italic> + CoSn) two phase field; standard states: pure liquid components.</p></caption><graphic xlink:href="gr2"></graphic></fig><fig id="f0015"><label>FIGURE 3</label><caption><p>Temperature dependencies of binary interaction parameters for the Redlich–Kister polynomial.</p></caption><graphic xlink:href="gr3"></graphic></fig><fig id="f0020"><label>FIGURE 4</label><caption><p>Integral enthalpy of mixing of liquid Co–Sn alloys at about <italic>T</italic> = 991 K (Vassilev <italic>et al.</italic><xref rid="b0055" ref-type="bibr">[11]</xref> at <italic>T</italic> = 991 K and presented data at <italic>T</italic> = 973 K) and <italic>T</italic> = 1573 K (Jiang <italic>et al.</italic><xref rid="b0035" ref-type="bibr">[7]</xref>, Eremenko <italic>et al.</italic><xref rid="b0170" ref-type="bibr">[12]</xref> and presented data); standard states: pure liquid components.</p></caption><graphic xlink:href="gr4"></graphic></fig><fig id="f0025"><label>FIGURE 5</label><caption><p>Integral enthalpy of mixing of liquid Co–Sn alloys at high temperatures (Körber and Oelsen <xref rid="b0165" ref-type="bibr">[8]</xref> at <italic>T</italic> = 1773 K, Esin <italic>et al.</italic><xref rid="b0045" ref-type="bibr">[9]</xref> at <italic>T</italic> = 1850 K, Luck <italic>et al.</italic><xref rid="b0050" ref-type="bibr">[10]</xref> at <italic>T</italic> = 1780 K and presented data at <italic>T</italic> = 1773 K); standard states: pure liquid components.</p></caption><graphic xlink:href="gr5"></graphic></fig><fig id="f0030"><label>FIGURE 6</label><caption><p>Partial and integral enthalpies of mixing of Co–Sn alloys at <italic>T</italic> = 673 K, standard state: pure liquid components.</p></caption><graphic xlink:href="gr6"></graphic></fig><fig id="f0035"><label>FIGURE 7</label><caption><p>Limiting partial enthalpy of Co in liquid Sn against temperature referred to liquid Co; standard states: pure liquid components.</p></caption><graphic xlink:href="gr7"></graphic></fig><table-wrap id="t0005" position="float"><label>TABLE 1</label><caption><p>Integral and partial enthalpies of mixing of liquid Co–Sn alloys at <italic>T</italic> = (1773 to 1173) K; standard states: pure liquid components.</p></caption><table frame="hsides" rules="groups"><thead><tr><th>Dropped mole</th><th>Measured enthalpy</th><th colspan="4">Partial molar enthalpy<hr></hr></th><th colspan="4">Integral molar enthalpy<hr></hr></th></tr><tr><th><italic>n</italic>(Sn)</th><th>Δ<italic>H</italic><sub>Signal</sub></th><th><italic>x</italic><sub>Sn</sub><xref rid="tblfn1" ref-type="table-fn">a</xref></th><th colspan="3"><inline-formula><mml:math id="M14" altimg="si14.gif" overflow="scroll"><mml:mrow><mml:mi mathvariant="normal">Δ</mml:mi><mml:msub><mml:mrow><mml:mover accent="true"><mml:mrow><mml:mi>H</mml:mi></mml:mrow><mml:mrow><mml:mo stretchy="true">‾</mml:mo></mml:mrow></mml:mover></mml:mrow><mml:mrow><mml:mtext>Sn</mml:mtext></mml:mrow></mml:msub></mml:mrow></mml:math></inline-formula></th><th><italic>x</italic><sub>Sn</sub><xref rid="tblfn2" ref-type="table-fn">b</xref></th><th colspan="3">Δ<italic><sub>Mix</sub>H</italic></th></tr><tr><th>10<sup>−3</sup> mol</th><th>J · mol<sup>−1</sup></th><th></th><th colspan="3">J · mol<sup>−1</sup></th><th></th><th colspan="3">J · mol<sup>−1</sup></th></tr></thead><tbody><tr><td colspan="10" align="center"><italic>T = 1773 K; starting amount: n(Co) = 24.6900 · 10<sup>−3</sup> mol; run 1</italic></td></tr><tr><td>0.5561</td><td>25,741</td><td>0.0110</td><td>−23,434</td><td>±</td><td>530</td><td>0.0220</td><td>−516</td><td>±</td><td>12</td></tr><tr><td>1.4684</td><td>28,444</td><td>0.0489</td><td>−20,730</td><td>±</td><td>586</td><td>0.0758</td><td>−1627</td><td>±</td><td>43</td></tr><tr><td>0.7792</td><td>38,717</td><td>0.0889</td><td>−10,458</td><td>±</td><td>797</td><td>0.1020</td><td>−1878</td><td>±</td><td>65</td></tr><tr><td>0.8125</td><td>41,751</td><td>0.1149</td><td>−7423</td><td>±</td><td>860</td><td>0.1278</td><td>−2037</td><td>±</td><td>87</td></tr><tr><td>1.7296</td><td>44,752</td><td>0.1529</td><td>−4422</td><td>±</td><td>921</td><td>0.1780</td><td>−2174</td><td>±</td><td>135</td></tr><tr><td>1.7657</td><td>45,526</td><td>0.2008</td><td>−3648</td><td>±</td><td>937</td><td>0.2236</td><td>−2256</td><td>±</td><td>180</td></tr><tr><td>6.4511</td><td>47,317</td><td>0.2891</td><td>−1858</td><td>±</td><td>809</td><td>0.3546</td><td>−2189</td><td>±</td><td>219</td></tr><tr><td>3.0180</td><td>47,455</td><td>0.3782</td><td>−1719</td><td>±</td><td>897</td><td>0.4018</td><td>−2154</td><td>±</td><td>259</td></tr><tr><td colspan="10">
</td></tr><tr><td><italic>n</italic>(Co)</td><td>Δ<italic>H</italic><sub>Signal</sub></td><td><italic>x</italic><sub>Co</sub><xref rid="tblfn1" ref-type="table-fn">a</xref></td><td colspan="3"><inline-formula><mml:math id="M15" altimg="si15.gif" overflow="scroll"><mml:mrow><mml:mi mathvariant="normal">Δ</mml:mi><mml:msub><mml:mrow><mml:mover accent="true"><mml:mrow><mml:mi>H</mml:mi></mml:mrow><mml:mrow><mml:mo stretchy="true">‾</mml:mo></mml:mrow></mml:mover></mml:mrow><mml:mrow><mml:mtext>Co</mml:mtext></mml:mrow></mml:msub></mml:mrow></mml:math></inline-formula></td><td><italic>x</italic><sub>Co</sub><xref rid="tblfn2" ref-type="table-fn">b</xref></td><td colspan="3">Δ<italic><sub>Mix</sub>H</italic></td></tr><tr><td>10<sup>−3</sup> mol</td><td>J · mol<sup>−1</sup></td><td></td><td colspan="3">J · mol<sup>−1</sup></td><td></td><td colspan="3">J · mol<sup>−1</sup></td></tr><tr><td colspan="10"><hr></hr></td></tr><tr><td colspan="10" align="center"><italic>T = 1773 K; starting amount: n(Sn) = 17.6477 · 10<sup>−3</sup> mol; run 2</italic></td></tr><tr><td>0.1202</td><td>67,863</td><td>0.0034</td><td>−2683</td><td>±</td><td>723</td><td>0.0068</td><td>−18</td><td>±</td><td>5</td></tr><tr><td>0.2819</td><td>68,747</td><td>0.0145</td><td>−1799</td><td>±</td><td>733</td><td>0.0223</td><td>−46</td><td>±</td><td>16</td></tr><tr><td>0.3047</td><td>67,705</td><td>0.0304</td><td>−2840</td><td>±</td><td>721</td><td>0.0385</td><td>−92</td><td>±</td><td>28</td></tr><tr><td>0.2943</td><td>68,637</td><td>0.0461</td><td>−1909</td><td>±</td><td>731</td><td>0.0537</td><td>−121</td><td>±</td><td>39</td></tr><tr><td>0.5090</td><td>67,855</td><td>0.0663</td><td>−2690</td><td>±</td><td>723</td><td>0.0788</td><td>−189</td><td>±</td><td>57</td></tr><tr><td>0.5577</td><td>67,467</td><td>0.0919</td><td>−3079</td><td>±</td><td>719</td><td>0.1049</td><td>−271</td><td>±</td><td>76</td></tr><tr><td>0.7073</td><td>67,264</td><td>0.1204</td><td>−3282</td><td>±</td><td>717</td><td>0.1359</td><td>−375</td><td>±</td><td>98</td></tr><tr><td>0.7648</td><td>67,843</td><td>0.1515</td><td>−2703</td><td>±</td><td>723</td><td>0.1671</td><td>−459</td><td>±</td><td>121</td></tr><tr><td>0.7798</td><td>67,462</td><td>0.1819</td><td>−3084</td><td>±</td><td>719</td><td>0.1966</td><td>−552</td><td>±</td><td>142</td></tr><tr><td>0.8502</td><td>68,325</td><td>0.2116</td><td>−2220</td><td>±</td><td>728</td><td>0.2266</td><td>−615</td><td>±</td><td>164</td></tr><tr><td>0.8735</td><td>66,731</td><td>0.2408</td><td>−3815</td><td>±</td><td>711</td><td>0.2551</td><td>−733</td><td>±</td><td>184</td></tr><tr><td>0.9137</td><td>66,366</td><td>0.2689</td><td>−4179</td><td>±</td><td>707</td><td>0.2828</td><td>−861</td><td>±</td><td>203</td></tr><tr><td>0.9448</td><td>67,422</td><td>0.2960</td><td>−3124</td><td>±</td><td>718</td><td>0.3093</td><td>−944</td><td>±</td><td>222</td></tr><tr><td>1.0338</td><td>69,115</td><td>0.3227</td><td>−1431</td><td>±</td><td>736</td><td>0.3361</td><td>−963</td><td>±</td><td>242</td></tr><tr><td>1.0935</td><td>66,919</td><td>0.3493</td><td>−3627</td><td>±</td><td>713</td><td>0.3624</td><td>−1068</td><td>±</td><td>261</td></tr><tr><td>1.1566</td><td>67,600</td><td>0.3752</td><td>−2946</td><td>±</td><td>720</td><td>0.3879</td><td>−1144</td><td>±</td><td>279</td></tr><tr><td>1.1709</td><td>68,933</td><td>0.3999</td><td>−1613</td><td>±</td><td>735</td><td>0.4118</td><td>−1162</td><td>±</td><td>297</td></tr><tr><td>1.3440</td><td>68,150</td><td>0.4244</td><td>−2395</td><td>±</td><td>726</td><td>0.4370</td><td>−1215</td><td>±</td><td>316</td></tr><tr><td>1.4852</td><td>67,167</td><td>0.4498</td><td>−3379</td><td>±</td><td>716</td><td>0.4625</td><td>−1313</td><td>±</td><td>334</td></tr><tr><td colspan="10">
</td></tr><tr><td colspan="10" align="center"><italic>T = 1773 K; starting amount: n(Sn) = 17.0876 · 10<sup>−3</sup> mol; run 3</italic></td></tr><tr><td>0.7461</td><td>67,827</td><td>0.0209</td><td>−2668</td><td>±</td><td>776</td><td>0.0418</td><td>−112</td><td>±</td><td>32</td></tr><tr><td>0.7702</td><td>67,291</td><td>0.0617</td><td>−3203</td><td>±</td><td>770</td><td>0.0815</td><td>−240</td><td>±</td><td>63</td></tr><tr><td>1.5497</td><td>68240</td><td>0.1168</td><td>−2255</td><td>±</td><td>780</td><td>0.1521</td><td>−395</td><td>±</td><td>118</td></tr><tr><td>0.7906</td><td>67,637</td><td>0.1681</td><td>−2857</td><td>±</td><td>774</td><td>0.1841</td><td>−488</td><td>±</td><td>143</td></tr><tr><td>0.8290</td><td>67,444</td><td>0.1997</td><td>−3051</td><td>±</td><td>771</td><td>0.2152</td><td>−585</td><td>±</td><td>167</td></tr><tr><td>0.8576</td><td>67,343</td><td>0.2301</td><td>−3152</td><td>±</td><td>770</td><td>0.2449</td><td>−682</td><td>±</td><td>190</td></tr><tr><td>0.8571</td><td>67,713</td><td>0.2587</td><td>−2781</td><td>±</td><td>774</td><td>0.2725</td><td>−759</td><td>±</td><td>211</td></tr><tr><td>0.9208</td><td>67,110</td><td>0.2862</td><td>−3385</td><td>±</td><td>768</td><td>0.2999</td><td>−858</td><td>±</td><td>232</td></tr><tr><td>0.9454</td><td>69,413</td><td>0.3130</td><td>−1082</td><td>±</td><td>794</td><td>0.3260</td><td>−866</td><td>±</td><td>253</td></tr><tr><td>0.9505</td><td>68,417</td><td>0.3382</td><td>−2077</td><td>±</td><td>782</td><td>0.3504</td><td>−910</td><td>±</td><td>272</td></tr><tr><td>1.0018</td><td>66,728</td><td>0.3623</td><td>−3767</td><td>±</td><td>763</td><td>0.3742</td><td>−1015</td><td>±</td><td>290</td></tr><tr><td>1.1233</td><td>69,258</td><td>0.3866</td><td>−1236</td><td>±</td><td>792</td><td>0.3990</td><td>−1024</td><td>±</td><td>310</td></tr><tr><td>1.1537</td><td>67,284</td><td>0.4107</td><td>−3211</td><td>±</td><td>770</td><td>0.4224</td><td>−1109</td><td>±</td><td>328</td></tr><tr><td>1.2312</td><td>69,290</td><td>0.4339</td><td>−1204</td><td>±</td><td>792</td><td>0.4455</td><td>−1113</td><td>±</td><td>346</td></tr><tr><td>1.2860</td><td>68,504</td><td>0.4566</td><td>−1991</td><td>±</td><td>783</td><td>0.4677</td><td>−1148</td><td>±</td><td>364</td></tr><tr><td>1.3598</td><td>66,816</td><td>0.4785</td><td>−3679</td><td>±</td><td>764</td><td>0.4893</td><td>−1251</td><td>±</td><td>380</td></tr><tr><td>1.4048</td><td>69,017</td><td>0.4996</td><td>−1478</td><td>±</td><td>789</td><td>0.5099</td><td>−1260</td><td>±</td><td>397</td></tr><tr><td>1.5403</td><td>68,532</td><td>0.5203</td><td>−1963</td><td>±</td><td>784</td><td>0.5306</td><td>−1290</td><td>±</td><td>413</td></tr><tr><td colspan="10">
</td></tr><tr><td colspan="10" align="center"><italic>T = 1673 K; starting amount n(Sn) = 45.323 · 10<sup>−3</sup> mol; run 1</italic></td></tr><tr><td>0.3037</td><td>62,020</td><td>0.0033</td><td>−4986</td><td>±</td><td>722</td><td>0.0067</td><td>−33</td><td>±</td><td>5</td></tr><tr><td>0.3793</td><td>61,510</td><td>0.0108</td><td>−5496</td><td>±</td><td>716</td><td>0.0148</td><td>−78</td><td>±</td><td>11</td></tr><tr><td>0.5062</td><td>62,193</td><td>0.0202</td><td>−4813</td><td>±</td><td>724</td><td>0.0256</td><td>−130</td><td>±</td><td>18</td></tr><tr><td>0.5337</td><td>62,722</td><td>0.0311</td><td>−4284</td><td>±</td><td>730</td><td>0.0366</td><td>−177</td><td>±</td><td>27</td></tr><tr><td>0.6486</td><td>62,596</td><td>0.0432</td><td>−4410</td><td>±</td><td>729</td><td>0.0497</td><td>−234</td><td>±</td><td>36</td></tr><tr><td>0.7221</td><td>62,834</td><td>0.0568</td><td>−4172</td><td>±</td><td>732</td><td>0.0639</td><td>−293</td><td>±</td><td>46</td></tr><tr><td>0.7363</td><td>62,448</td><td>0.0709</td><td>−4558</td><td>±</td><td>727</td><td>0.0779</td><td>−357</td><td>±</td><td>57</td></tr><tr><td>0.7654</td><td>62,826</td><td>0.0850</td><td>−4180</td><td>±</td><td>732</td><td>0.0921</td><td>−416</td><td>±</td><td>67</td></tr><tr><td>0.8185</td><td>62,551</td><td>0.0994</td><td>−4456</td><td>±</td><td>728</td><td>0.1067</td><td>−481</td><td>±</td><td>78</td></tr><tr><td>1.0190</td><td>62,749</td><td>0.1155</td><td>−4257</td><td>±</td><td>731</td><td>0.1243</td><td>−555</td><td>±</td><td>91</td></tr><tr><td>1.0371</td><td>62,530</td><td>0.1329</td><td>−4477</td><td>±</td><td>728</td><td>0.1415</td><td>−632</td><td>±</td><td>103</td></tr><tr><td>1.1581</td><td>62,924</td><td>0.1507</td><td>−4083</td><td>±</td><td>733</td><td>0.1599</td><td>−706</td><td>±</td><td>117</td></tr><tr><td>1.2016</td><td>63,266</td><td>0.1691</td><td>−3740</td><td>±</td><td>737</td><td>0.1782</td><td>−772</td><td>±</td><td>130</td></tr><tr><td>1.4235</td><td>63,684</td><td>0.1886</td><td>−3323</td><td>±</td><td>742</td><td>0.1989</td><td>−837</td><td>±</td><td>145</td></tr><tr><td>1.4590</td><td>63,016</td><td>0.2090</td><td>−3990</td><td>±</td><td>734</td><td>0.2190</td><td>−916</td><td>±</td><td>160</td></tr><tr><td>1.4944</td><td>62,919</td><td>0.2288</td><td>−4088</td><td>±</td><td>733</td><td>0.2386</td><td>−995</td><td>±</td><td>175</td></tr><tr><td>1.6293</td><td>62,972</td><td>0.2488</td><td>−4034</td><td>±</td><td>733</td><td>0.2589</td><td>−1076</td><td>±</td><td>190</td></tr><tr><td>1.6508</td><td>63,139</td><td>0.2687</td><td>−3867</td><td>±</td><td>735</td><td>0.2784</td><td>−1150</td><td>±</td><td>204</td></tr><tr><td>1.9049</td><td>62,887</td><td>0.2890</td><td>−4119</td><td>±</td><td>732</td><td>0.2996</td><td>−1237</td><td>±</td><td>219</td></tr><tr><td colspan="10">
</td></tr><tr><td colspan="10" align="center"><italic>T = 1673 K; starting amount n(Sn) = 4.6547 · 10<sup>−3</sup> mol; run 2</italic></td></tr><tr><td>0.2668</td><td>61,415</td><td>0.0271</td><td>−5591</td><td>±</td><td>1072</td><td>0.0542</td><td>−303</td><td>±</td><td>58</td></tr><tr><td>0.3692</td><td>61,460</td><td>0.0872</td><td>−5546</td><td>±</td><td>1073</td><td>0.1202</td><td>−669</td><td>±</td><td>129</td></tr><tr><td>0.5210</td><td>61,815</td><td>0.1597</td><td>−5191</td><td>±</td><td>1079</td><td>0.1991</td><td>−1074</td><td>±</td><td>214</td></tr><tr><td>0.5591</td><td>62,522</td><td>0.2342</td><td>−4484</td><td>±</td><td>1091</td><td>0.2694</td><td>−1374</td><td>±</td><td>291</td></tr><tr><td>0.5569</td><td>62,160</td><td>0.2987</td><td>−4846</td><td>±</td><td>1085</td><td>0.3281</td><td>−1653</td><td>±</td><td>355</td></tr><tr><td>0.5808</td><td>62,917</td><td>0.3541</td><td>−4090</td><td>±</td><td>1098</td><td>0.3801</td><td>−1841</td><td>±</td><td>412</td></tr><tr><td>0.6682</td><td>62,714</td><td>0.4054</td><td>−4292</td><td>±</td><td>1095</td><td>0.4307</td><td>−2042</td><td>±</td><td>468</td></tr><tr><td>0.7276</td><td>63,346</td><td>0.4540</td><td>−3660</td><td>±</td><td>1106</td><td>0.4773</td><td>−2174</td><td>±</td><td>520</td></tr><tr><td>1.7538</td><td>61,438</td><td>0.5203</td><td>−5568</td><td>±</td><td>1073</td><td>0.5633</td><td>−2732</td><td>±</td><td>611</td></tr><tr><td>0.9291</td><td>64,644</td><td>0.5808</td><td>−2362</td><td>±</td><td>1128</td><td>0.5983</td><td>−2703</td><td>±</td><td>653</td></tr><tr><td>0.9928</td><td>62,732</td><td>0.6141</td><td>−4275</td><td>±</td><td>1095</td><td>0.6300</td><td>−2827</td><td>±</td><td>688</td></tr><tr><td>1.1957</td><td>64,855</td><td>0.6461</td><td>−2151</td><td>±</td><td>1132</td><td>0.6621</td><td>−2768</td><td>±</td><td>726</td></tr><tr><td>1.2680</td><td>64,518</td><td>0.6764</td><td>−2488</td><td>±</td><td>1126</td><td>0.6906</td><td>−2745</td><td>±</td><td>760</td></tr><tr><td>1.3619</td><td>65,806</td><td>0.7034</td><td>−1200</td><td>±</td><td>1149</td><td>0.7163</td><td>−2616</td><td>±</td><td>792</td></tr><tr><td>1.4089</td><td>65,812</td><td>0.7275</td><td>−1194</td><td>±</td><td>1149</td><td>0.7387</td><td>−2504</td><td>±</td><td>820</td></tr><tr><td>1.6662</td><td>65,760</td><td>0.7499</td><td>−1247</td><td>±</td><td>1148</td><td>0.7611</td><td>−2396</td><td>±</td><td>848</td></tr><tr><td>1.8643</td><td>65,535</td><td>0.7715</td><td>−1471</td><td>±</td><td>1144</td><td>0.7819</td><td>−2316</td><td>±</td><td>874</td></tr><tr><td>2.1466</td><td>66,363</td><td>0.7919</td><td>−643</td><td>±</td><td>1158</td><td>0.8019</td><td>−2163</td><td>±</td><td>900</td></tr><tr><td colspan="10">
</td></tr><tr><td colspan="10" align="center"><italic>T = 1673 K; starting amount n(Sn) = 21.8652 · 10<sup>−3</sup> mol; run 3</italic></td></tr><tr><td>0.1302</td><td>61,457</td><td>0.0030</td><td>−5549</td><td>±</td><td>1206</td><td>0.0059</td><td>−33</td><td>±</td><td>7</td></tr><tr><td>0.1796</td><td>61,413</td><td>0.0099</td><td>−5593</td><td>±</td><td>1205</td><td>0.0140</td><td>−78</td><td>±</td><td>17</td></tr><tr><td>0.1898</td><td>60,253</td><td>0.0182</td><td>−6753</td><td>±</td><td>1182</td><td>0.0223</td><td>−135</td><td>±</td><td>27</td></tr><tr><td>0.1830</td><td>61,003</td><td>0.0263</td><td>−6004</td><td>±</td><td>1197</td><td>0.0303</td><td>−182</td><td>±</td><td>36</td></tr><tr><td>0.2227</td><td>61,359</td><td>0.0350</td><td>−5647</td><td>±</td><td>1204</td><td>0.0398</td><td>−236</td><td>±</td><td>48</td></tr><tr><td>0.2336</td><td>62,226</td><td>0.0446</td><td>−4780</td><td>±</td><td>1221</td><td>0.0495</td><td>−282</td><td>±</td><td>60</td></tr><tr><td>0.2433</td><td>61,671</td><td>0.0545</td><td>−5335</td><td>±</td><td>1210</td><td>0.0595</td><td>−335</td><td>±</td><td>72</td></tr><tr><td>0.5971</td><td>62,406</td><td>0.0712</td><td>−4600</td><td>±</td><td>1225</td><td>0.0830</td><td>−441</td><td>±</td><td>100</td></tr><tr><td>0.7331</td><td>62,054</td><td>0.0967</td><td>−4952</td><td>±</td><td>1218</td><td>0.1104</td><td>−576</td><td>±</td><td>134</td></tr><tr><td>0.8605</td><td>61,998</td><td>0.1254</td><td>−5008</td><td>±</td><td>1217</td><td>0.1405</td><td>−726</td><td>±</td><td>170</td></tr><tr><td>0.9231</td><td>62,348</td><td>0.1555</td><td>−4658</td><td>±</td><td>1224</td><td>0.1706</td><td>−864</td><td>±</td><td>207</td></tr><tr><td>1.0887</td><td>62,888</td><td>0.1870</td><td>−4118</td><td>±</td><td>1234</td><td>0.2035</td><td>−993</td><td>±</td><td>248</td></tr><tr><td>1.2702</td><td>62,445</td><td>0.2211</td><td>−4561</td><td>±</td><td>1225</td><td>0.2387</td><td>−1151</td><td>±</td><td>291</td></tr><tr><td>1.3374</td><td>62,759</td><td>0.2556</td><td>−4247</td><td>±</td><td>1232</td><td>0.2726</td><td>−1288</td><td>±</td><td>333</td></tr><tr><td>1.5574</td><td>62,876</td><td>0.2905</td><td>−4130</td><td>±</td><td>1234</td><td>0.3084</td><td>−1428</td><td>±</td><td>378</td></tr><tr><td>1.8793</td><td>62,839</td><td>0.3278</td><td>−4167</td><td>±</td><td>1233</td><td>0.3472</td><td>−1582</td><td>±</td><td>426</td></tr><tr><td>1.8973</td><td>63,665</td><td>0.3647</td><td>−3341</td><td>±</td><td>1249</td><td>0.3822</td><td>−1676</td><td>±</td><td>470</td></tr><tr><td>2.2379</td><td>63,211</td><td>0.4006</td><td>−3795</td><td>±</td><td>1241</td><td>0.4189</td><td>−1802</td><td>±</td><td>516</td></tr><tr><td colspan="10">
</td></tr><tr><td colspan="10" align="center"><italic>T = 1573 K; starting amount n(Sn) = 7.4131 · 10<sup>−3</sup> mol; run 1</italic></td></tr><tr><td>0.3994</td><td>56,697</td><td>0.0256</td><td>−6501</td><td>±</td><td>852</td><td>0.0511</td><td>−332</td><td>±</td><td>44</td></tr><tr><td>0.4261</td><td>57,163</td><td>0.0757</td><td>−6035</td><td>±</td><td>859</td><td>0.1002</td><td>−627</td><td>±</td><td>86</td></tr><tr><td>0.4435</td><td>57,120</td><td>0.1232</td><td>−6078</td><td>±</td><td>859</td><td>0.1462</td><td>−906</td><td>±</td><td>125</td></tr><tr><td>0.4885</td><td>56,683</td><td>0.1689</td><td>−6514</td><td>±</td><td>852</td><td>0.1916</td><td>−1204</td><td>±</td><td>164</td></tr><tr><td>0.4894</td><td>55,845</td><td>0.2121</td><td>−7353</td><td>±</td><td>840</td><td>0.2326</td><td>−1516</td><td>±</td><td>198</td></tr><tr><td>0.5001</td><td>56,076</td><td>0.2515</td><td>−7121</td><td>±</td><td>843</td><td>0.2704</td><td>−1792</td><td>±</td><td>230</td></tr><tr><td>0.5014</td><td>57,133</td><td>0.2875</td><td>−6065</td><td>±</td><td>859</td><td>0.3047</td><td>−1993</td><td>±</td><td>260</td></tr><tr><td>0.5122</td><td>56,333</td><td>0.3206</td><td>−6865</td><td>±</td><td>847</td><td>0.3366</td><td>−2216</td><td>±</td><td>286</td></tr><tr><td>0.5298</td><td>56,773</td><td>0.3516</td><td>−6424</td><td>±</td><td>854</td><td>0.3666</td><td>−2407</td><td>±</td><td>312</td></tr><tr><td>0.5336</td><td>56,684</td><td>0.3804</td><td>−6514</td><td>±</td><td>852</td><td>0.3942</td><td>−2586</td><td>±</td><td>336</td></tr><tr><td>0.5545</td><td>54,958</td><td>0.4073</td><td>−8240</td><td>±</td><td>826</td><td>0.4205</td><td>−2831</td><td>±</td><td>357</td></tr><tr><td>0.5591</td><td>55,503</td><td>0.4326</td><td>−7695</td><td>±</td><td>834</td><td>0.4447</td><td>−3035</td><td>±</td><td>377</td></tr><tr><td>0.5593</td><td>57,039</td><td>0.4559</td><td>−6159</td><td>±</td><td>858</td><td>0.4671</td><td>−3160</td><td>±</td><td>396</td></tr><tr><td>0.6344</td><td>57,023</td><td>0.4787</td><td>−6175</td><td>±</td><td>857</td><td>0.4903</td><td>−3292</td><td>±</td><td>416</td></tr><tr><td>0.6932</td><td>56,163</td><td>0.5019</td><td>−7034</td><td>±</td><td>844</td><td>0.5135</td><td>−3462</td><td>±</td><td>436</td></tr><tr><td colspan="10">
</td></tr><tr><td colspan="10" align="center"><italic>T = 1573 K; starting amount n(Sn) = 7.4168 · 10<sup>−3</sup> mol; run 2</italic></td></tr><tr><td>0.4111</td><td>56,968</td><td>0.0263</td><td>−6229</td><td>±</td><td>828</td><td>0.0525</td><td>−327</td><td>±</td><td>43</td></tr><tr><td>0.4636</td><td>56,361</td><td>0.0790</td><td>−6837</td><td>±</td><td>819</td><td>0.1055</td><td>−691</td><td>±</td><td>87</td></tr><tr><td>0.4713</td><td>56,652</td><td>0.1295</td><td>−6545</td><td>±</td><td>823</td><td>0.1536</td><td>−1006</td><td>±</td><td>126</td></tr><tr><td>0.4870</td><td>55,894</td><td>0.1759</td><td>−7304</td><td>±</td><td>812</td><td>0.1982</td><td>−1338</td><td>±</td><td>163</td></tr><tr><td>0.4932</td><td>56,215</td><td>0.2185</td><td>−6983</td><td>±</td><td>817</td><td>0.2388</td><td>−1623</td><td>±</td><td>196</td></tr><tr><td>0.5091</td><td>56,280</td><td>0.2577</td><td>−6917</td><td>±</td><td>818</td><td>0.2766</td><td>−1886</td><td>±</td><td>227</td></tr><tr><td>0.5452</td><td>56,006</td><td>0.2948</td><td>−7192</td><td>±</td><td>814</td><td>0.3131</td><td>−2154</td><td>±</td><td>256</td></tr><tr><td>0.5522</td><td>56,216</td><td>0.3298</td><td>−6982</td><td>±</td><td>817</td><td>0.3465</td><td>−2389</td><td>±</td><td>283</td></tr><tr><td>0.5732</td><td>56,248</td><td>0.3622</td><td>−6949</td><td>±</td><td>817</td><td>0.3779</td><td>−2608</td><td>±</td><td>309</td></tr><tr><td>0.5817</td><td>55,983</td><td>0.3924</td><td>−7215</td><td>±</td><td>813</td><td>0.4069</td><td>−2823</td><td>±</td><td>333</td></tr><tr><td>0.5936</td><td>56,997</td><td>0.4203</td><td>−6200</td><td>±</td><td>828</td><td>0.4337</td><td>−2976</td><td>±</td><td>355</td></tr><tr><td>0.6009</td><td>57,298</td><td>0.4462</td><td>−5900</td><td>±</td><td>832</td><td>0.4586</td><td>−3104</td><td>±</td><td>376</td></tr><tr><td>0.6208</td><td>56,295</td><td>0.4703</td><td>−6902</td><td>±</td><td>818</td><td>0.4821</td><td>−3269</td><td>±</td><td>395</td></tr><tr><td>0.6994</td><td>58,355</td><td>0.4941</td><td>−4843</td><td>±</td><td>848</td><td>0.5062</td><td>−3342</td><td>±</td><td>416</td></tr><tr><td>0.7019</td><td>57,810</td><td>0.5172</td><td>−5387</td><td>±</td><td>840</td><td>0.5282</td><td>−3433</td><td>±</td><td>435</td></tr><tr><td>0.7564</td><td>58,305</td><td>0.5391</td><td>−4892</td><td>±</td><td>847</td><td>0.5499</td><td>−3500</td><td>±</td><td>454</td></tr><tr><td>0.7800</td><td>59,597</td><td>0.5601</td><td>−3601</td><td>±</td><td>866</td><td>0.5702</td><td>−3505</td><td>±</td><td>473</td></tr><tr><td>0.8671</td><td>59,757</td><td>0.5805</td><td>−3441</td><td>±</td><td>868</td><td>0.5908</td><td>−3502</td><td>±</td><td>492</td></tr><tr><td colspan="10">
</td></tr><tr><td colspan="10" align="center"><italic>T = 1573 K; starting amount n(Sn) = 4.3668 · 10<sup>−3</sup> mol; run 3</italic></td></tr><tr><td>0.1423</td><td>56,775</td><td>0.0158</td><td>−6423</td><td>±</td><td>936</td><td>0.0316</td><td>−203</td><td>±</td><td>30</td></tr><tr><td>0.4875</td><td>56,528</td><td>0.0788</td><td>−6670</td><td>±</td><td>932</td><td>0.1260</td><td>−834</td><td>±</td><td>118</td></tr><tr><td>0.5201</td><td>55,923</td><td>0.1672</td><td>−7274</td><td>±</td><td>922</td><td>0.2084</td><td>−1441</td><td>±</td><td>193</td></tr><tr><td>0.5349</td><td>56,180</td><td>0.2434</td><td>−7017</td><td>±</td><td>926</td><td>0.2784</td><td>−1934</td><td>±</td><td>258</td></tr><tr><td>0.5827</td><td>56,172</td><td>0.3101</td><td>−7026</td><td>±</td><td>926</td><td>0.3418</td><td>−2381</td><td>±</td><td>317</td></tr><tr><td>0.6672</td><td>55,965</td><td>0.3719</td><td>−7233</td><td>±</td><td>922</td><td>0.4019</td><td>−2824</td><td>±</td><td>372</td></tr><tr><td>0.6699</td><td>57,357</td><td>0.4271</td><td>−5840</td><td>±</td><td>945</td><td>0.4522</td><td>−3078</td><td>±</td><td>420</td></tr><tr><td>0.9232</td><td>58,536</td><td>0.4806</td><td>−4661</td><td>±</td><td>965</td><td>0.5091</td><td>−3242</td><td>±</td><td>477</td></tr><tr><td>0.9242</td><td>59,108</td><td>0.5322</td><td>−4090</td><td>±</td><td>974</td><td>0.5553</td><td>−3322</td><td>±</td><td>524</td></tr><tr><td>1.0247</td><td>59,842</td><td>0.5763</td><td>−3356</td><td>±</td><td>986</td><td>0.5973</td><td>−3325</td><td>±</td><td>567</td></tr><tr><td>1.0419</td><td>60,586</td><td>0.6149</td><td>−2611</td><td>±</td><td>999</td><td>0.6326</td><td>−3263</td><td>±</td><td>605</td></tr><tr><td>1.0535</td><td>60,923</td><td>0.6476</td><td>−2275</td><td>±</td><td>1004</td><td>0.6625</td><td>−3182</td><td>±</td><td>638</td></tr><tr><td>1.0567</td><td>60,791</td><td>0.6752</td><td>−2407</td><td>±</td><td>1002</td><td>0.6880</td><td>−3124</td><td>±</td><td>665</td></tr><tr><td>1.1800</td><td>60,917</td><td>0.7001</td><td>−2281</td><td>±</td><td>1004</td><td>0.7122</td><td>−3058</td><td>±</td><td>691</td></tr><tr><td>1.2007</td><td>61,573</td><td>0.7228</td><td>−1625</td><td>±</td><td>1015</td><td>0.7333</td><td>−2953</td><td>±</td><td>715</td></tr><tr><td>1.2462</td><td>62,175</td><td>0.7428</td><td>−1023</td><td>±</td><td>1025</td><td>0.7522</td><td>−2816</td><td>±</td><td>737</td></tr><tr><td>1.3156</td><td>62,047</td><td>0.7608</td><td>−1150</td><td>±</td><td>1023</td><td>0.7694</td><td>−2701</td><td>±</td><td>757</td></tr><tr><td>1.4264</td><td>61,968</td><td>0.7775</td><td>−1229</td><td>±</td><td>1021</td><td>0.7856</td><td>−2598</td><td>±</td><td>775</td></tr><tr><td>1.4268</td><td>61,985</td><td>0.7926</td><td>−1213</td><td>±</td><td>1022</td><td>0.7996</td><td>−2507</td><td>±</td><td>792</td></tr><tr><td colspan="10">
</td></tr><tr><td colspan="10" align="center"><italic>T = 1473 K; starting amount n(Sn) = 7.4130 · 10<sup>−3</sup> mol; run 1</italic></td></tr><tr><td>0.4199</td><td>51,379</td><td>0.0268</td><td>−8150</td><td>±</td><td>850</td><td>0.0536</td><td>−437</td><td>±</td><td>46</td></tr><tr><td>0.4247</td><td>50,953</td><td>0.0779</td><td>−8577</td><td>±</td><td>843</td><td>0.1023</td><td>−856</td><td>±</td><td>87</td></tr><tr><td>0.4613</td><td>50,002</td><td>0.1260</td><td>−9527</td><td>±</td><td>827</td><td>0.1498</td><td>−1314</td><td>±</td><td>126</td></tr><tr><td>0.4812</td><td>50,820</td><td>0.1720</td><td>−8709</td><td>±</td><td>841</td><td>0.1942</td><td>−1701</td><td>±</td><td>163</td></tr><tr><td>0.5437</td><td>52,258</td><td>0.2167</td><td>−7271</td><td>±</td><td>864</td><td>0.2392</td><td>−2012</td><td>±</td><td>202</td></tr><tr><td>0.5643</td><td>50,723</td><td>0.2600</td><td>−8806</td><td>±</td><td>839</td><td>0.2809</td><td>−2384</td><td>±</td><td>237</td></tr><tr><td>0.5826</td><td>50,047</td><td>0.3001</td><td>−9482</td><td>±</td><td>828</td><td>0.3193</td><td>−2764</td><td>±</td><td>269</td></tr><tr><td>0.6426</td><td>51,315</td><td>0.3383</td><td>−8214</td><td>±</td><td>849</td><td>0.3572</td><td>−3067</td><td>±</td><td>301</td></tr><tr><td>0.6671</td><td>51,191</td><td>0.3748</td><td>−8338</td><td>±</td><td>847</td><td>0.3924</td><td>−3355</td><td>±</td><td>331</td></tr><tr><td>0.6694</td><td>53,404</td><td>0.4082</td><td>−6125</td><td>±</td><td>883</td><td>0.4240</td><td>−3499</td><td>±</td><td>360</td></tr><tr><td>0.6768</td><td>50,717</td><td>0.4384</td><td>−8812</td><td>±</td><td>839</td><td>0.4528</td><td>−3765</td><td>±</td><td>384</td></tr><tr><td>0.6794</td><td>51,892</td><td>0.4658</td><td>−7637</td><td>±</td><td>858</td><td>0.4789</td><td>−3950</td><td>±</td><td>406</td></tr><tr><td>0.6958</td><td>52,295</td><td>0.4911</td><td>−7234</td><td>±</td><td>865</td><td>0.5032</td><td>−4103</td><td>±</td><td>428</td></tr><tr><td>0.7027</td><td>52,087</td><td>0.5144</td><td>−7442</td><td>±</td><td>862</td><td>0.5255</td><td>−4253</td><td>±</td><td>447</td></tr><tr><td>0.7367</td><td>49,770</td><td>0.5362</td><td>−9760</td><td>±</td><td>823</td><td>0.5469</td><td>−4501</td><td>±</td><td>464</td></tr><tr><td>0.8020</td><td>52,583</td><td>0.5575</td><td>−6946</td><td>±</td><td>870</td><td>0.5681</td><td>−4615</td><td>±</td><td>483</td></tr><tr><td>0.8239</td><td>51,111</td><td>0.5780</td><td>−8418</td><td>±</td><td>845</td><td>0.5879</td><td>−4790</td><td>±</td><td>500</td></tr><tr><td colspan="10">
</td></tr><tr><td colspan="10" align="center"><italic>T = 1473 K; starting amount n(Sn) = 7.4966 · 10<sup>−3</sup> mol; run 2</italic></td></tr><tr><td>0.4396</td><td>49,920</td><td>0.0277</td><td>−9609</td><td>±</td><td>906</td><td>0.0554</td><td>−532</td><td>±</td><td>50</td></tr><tr><td>0.4771</td><td>50,466</td><td>0.0822</td><td>−9064</td><td>±</td><td>916</td><td>0.1090</td><td>−1016</td><td>±</td><td>99</td></tr><tr><td>0.4836</td><td>50,068</td><td>0.1332</td><td>−9461</td><td>±</td><td>909</td><td>0.1574</td><td>−1475</td><td>±</td><td>143</td></tr><tr><td>0.4856</td><td>50,047</td><td>0.1792</td><td>−9482</td><td>±</td><td>908</td><td>0.2010</td><td>−1890</td><td>±</td><td>183</td></tr><tr><td>0.4944</td><td>50,786</td><td>0.2210</td><td>−8743</td><td>±</td><td>922</td><td>0.2410</td><td>−2233</td><td>±</td><td>220</td></tr><tr><td>0.5175</td><td>50,618</td><td>0.2599</td><td>−8912</td><td>±</td><td>919</td><td>0.2788</td><td>−2565</td><td>±</td><td>255</td></tr><tr><td>0.5245</td><td>50,576</td><td>0.2961</td><td>−8953</td><td>±</td><td>918</td><td>0.3134</td><td>−2872</td><td>±</td><td>286</td></tr><tr><td>0.5304</td><td>50,793</td><td>0.3293</td><td>−8736</td><td>±</td><td>922</td><td>0.3452</td><td>−3144</td><td>±</td><td>316</td></tr><tr><td>0.5733</td><td>50,120</td><td>0.3608</td><td>−9409</td><td>±</td><td>910</td><td>0.3765</td><td>−3442</td><td>±</td><td>344</td></tr><tr><td>0.6425</td><td>50,945</td><td>0.3923</td><td>−8584</td><td>±</td><td>925</td><td>0.4081</td><td>−3703</td><td>±</td><td>374</td></tr><tr><td>0.6581</td><td>51,424</td><td>0.4227</td><td>−8106</td><td>±</td><td>933</td><td>0.4373</td><td>−3921</td><td>±</td><td>401</td></tr><tr><td>0.7069</td><td>52,720</td><td>0.4515</td><td>−6809</td><td>±</td><td>957</td><td>0.4657</td><td>−4066</td><td>±</td><td>429</td></tr><tr><td>0.7747</td><td>53,291</td><td>0.4797</td><td>−6239</td><td>±</td><td>967</td><td>0.4936</td><td>−4180</td><td>±</td><td>457</td></tr><tr><td>0.7807</td><td>50,860</td><td>0.5063</td><td>−8670</td><td>±</td><td>923</td><td>0.5190</td><td>−4405</td><td>±</td><td>481</td></tr><tr><td>0.8111</td><td>53,234</td><td>0.5309</td><td>−6295</td><td>±</td><td>966</td><td>0.5428</td><td>−4498</td><td>±</td><td>505</td></tr><tr><td>0.8123</td><td>51,793</td><td>0.5536</td><td>−7736</td><td>±</td><td>940</td><td>0.5644</td><td>−4651</td><td>±</td><td>525</td></tr><tr><td>0.8317</td><td>53,390</td><td>0.5744</td><td>−6140</td><td>±</td><td>969</td><td>0.5845</td><td>−4720</td><td>±</td><td>546</td></tr><tr><td colspan="10">
</td></tr><tr><td colspan="10" align="center"><italic>T = 1373 K; starting amount n(Sn) = 7.2627 · 10<sup>−3</sup> mol; run 1</italic></td></tr><tr><td>0.5292</td><td>44,610</td><td>0.0340</td><td>−11,374</td><td>±</td><td>1459</td><td>0.0679</td><td>−773</td><td>±</td><td>99</td></tr><tr><td>0.5306</td><td>44,054</td><td>0.0976</td><td>−11,931</td><td>±</td><td>1441</td><td>0.1273</td><td>−1484</td><td>±</td><td>185</td></tr><tr><td>0.6176</td><td>44,087</td><td>0.1575</td><td>−11,898</td><td>±</td><td>1442</td><td>0.1876</td><td>−2203</td><td>±</td><td>271</td></tr><tr><td>0.6273</td><td>43,722</td><td>0.2143</td><td>−12,262</td><td>±</td><td>1430</td><td>0.2409</td><td>−2863</td><td>±</td><td>347</td></tr><tr><td>0.6507</td><td>44,216</td><td>0.2651</td><td>−11,768</td><td>±</td><td>1446</td><td>0.2892</td><td>−3430</td><td>±</td><td>417</td></tr><tr><td>0.6804</td><td>43,211</td><td>0.3114</td><td>−12,773</td><td>±</td><td>1413</td><td>0.3336</td><td>−4013</td><td>±</td><td>480</td></tr><tr><td>0.6853</td><td>43,847</td><td>0.3533</td><td>−12,138</td><td>±</td><td>1434</td><td>0.3730</td><td>−4494</td><td>±</td><td>536</td></tr><tr><td>0.7061</td><td>44,086</td><td>0.3910</td><td>−11,898</td><td>±</td><td>1442</td><td>0.4090</td><td>−4919</td><td>±</td><td>588</td></tr><tr><td>0.8114</td><td>44,407</td><td>0.4273</td><td>−11,578</td><td>±</td><td>1452</td><td>0.4456</td><td>−5332</td><td>±</td><td>642</td></tr><tr><td colspan="10">
</td></tr><tr><td colspan="10" align="center"><italic>T = 1273 K; starting amount n(Sn) = 21.0679 · 10<sup>−3</sup> mol; run 1</italic></td></tr><tr><td>0.5190</td><td>37,435</td><td>0.0120</td><td>−15,114</td><td>±</td><td>520</td><td>0.0240</td><td>−363</td><td>±</td><td>13</td></tr><tr><td>0.5193</td><td>38,339</td><td>0.0355</td><td>−14,210</td><td>±</td><td>533</td><td>0.0470</td><td>−689</td><td>±</td><td>25</td></tr><tr><td>0.5554</td><td>38,199</td><td>0.0586</td><td>−14,350</td><td>±</td><td>531</td><td>0.0703</td><td>−1023</td><td>±</td><td>38</td></tr><tr><td>0.5845</td><td>38,586</td><td>0.0820</td><td>−13,963</td><td>±</td><td>536</td><td>0.0937</td><td>−1349</td><td>±</td><td>50</td></tr><tr><td>0.5907</td><td>38,492</td><td>0.1049</td><td>−14,058</td><td>±</td><td>535</td><td>0.1162</td><td>−1664</td><td>±</td><td>61</td></tr><tr><td>0.5928</td><td>38,783</td><td>0.1269</td><td>−13,766</td><td>±</td><td>539</td><td>0.1376</td><td>−1957</td><td>±</td><td>72</td></tr><tr><td>0.6035</td><td>38,981</td><td>0.1480</td><td>−13,569</td><td>±</td><td>541</td><td>0.1584</td><td>−2237</td><td>±</td><td>83</td></tr><tr><td>0.6368</td><td>39,242</td><td>0.1688</td><td>−13,308</td><td>±</td><td>545</td><td>0.1793</td><td>−2512</td><td>±</td><td>93</td></tr><tr><td>0.6374</td><td>39,481</td><td>0.1892</td><td>−13,069</td><td>±</td><td>548</td><td>0.1992</td><td>−2768</td><td>±</td><td>103</td></tr><tr><td>0.6502</td><td>38,338</td><td>0.2088</td><td>−14,212</td><td>±</td><td>532</td><td>0.2185</td><td>−3044</td><td>±</td><td>113</td></tr><tr><td>0.6742</td><td>38,190</td><td>0.2280</td><td>−14,359</td><td>±</td><td>530</td><td>0.2375</td><td>−3320</td><td>±</td><td>122</td></tr><tr><td>0.6813</td><td>33,923</td><td>0.2467</td><td>−18,626</td><td>±</td><td>471</td><td>0.2559</td><td>−3688</td><td>±</td><td>129</td></tr><tr><td>0.6955</td><td>32,254</td><td>0.2648</td><td>−20,295</td><td>±</td><td>448</td><td>0.2737</td><td>−4086</td><td>±</td><td>136</td></tr><tr><td>0.7144</td><td>29,665</td><td>0.2825</td><td>−22,885</td><td>±</td><td>412</td><td>0.2912</td><td>−4538</td><td>±</td><td>141</td></tr><tr><td>0.7162</td><td>27,107</td><td>0.2995</td><td>−25,443</td><td>±</td><td>376</td><td>0.3079</td><td>−5030</td><td>±</td><td>146</td></tr><tr><td>0.7236</td><td>25,321</td><td>0.3159</td><td>−27,228</td><td>±</td><td>352</td><td>0.3239</td><td>−5545</td><td>±</td><td>149</td></tr><tr><td>0.7328</td><td>26,015</td><td>0.3317</td><td>−26,535</td><td>±</td><td>361</td><td>0.3395</td><td>−6028</td><td>±</td><td>153</td></tr><tr><td>0.7332</td><td>26,118</td><td>0.3469</td><td>−26,432</td><td>±</td><td>363</td><td>0.3543</td><td>−6486</td><td>±</td><td>157</td></tr><tr><td>0.7396</td><td>26,827</td><td>0.3615</td><td>−25,722</td><td>±</td><td>373</td><td>0.3686</td><td>−6912</td><td>±</td><td>161</td></tr><tr><td>0.7863</td><td>25,672</td><td>0.3759</td><td>−26,878</td><td>±</td><td>357</td><td>0.3832</td><td>−7372</td><td>±</td><td>164</td></tr><tr><td>0.7885</td><td>25,972</td><td>0.3901</td><td>−26,578</td><td>±</td><td>361</td><td>0.3971</td><td>−7805</td><td>±</td><td>167</td></tr><tr><td>0.7944</td><td>26,273</td><td>0.4038</td><td>−26,276</td><td>±</td><td>365</td><td>0.4105</td><td>−8216</td><td>±</td><td>170</td></tr><tr><td>0.8173</td><td>26,296</td><td>0.4171</td><td>−26,253</td><td>±</td><td>365</td><td>0.4237</td><td>−8619</td><td>±</td><td>173</td></tr><tr><td>0.8335</td><td>27,394</td><td>0.4301</td><td>−25,156</td><td>±</td><td>380</td><td>0.4365</td><td>−8988</td><td>±</td><td>177</td></tr><tr><td>0.8409</td><td>26,524</td><td>0.4427</td><td>−26,025</td><td>±</td><td>368</td><td>0.4489</td><td>−9363</td><td>±</td><td>180</td></tr><tr><td colspan="10">
</td></tr><tr><td colspan="10" align="center"><italic>T = 1273 K; starting amount n(Sn) = 21.3158 · 10<sup>−3</sup> mol; run 2</italic></td></tr><tr><td>0.5216</td><td>38,641</td><td>0.0119</td><td>−13,774</td><td>±</td><td>462</td><td>0.0239</td><td>−329</td><td>±</td><td>11</td></tr><tr><td>0.5694</td><td>39,592</td><td>0.0363</td><td>−12,820</td><td>±</td><td>473</td><td>0.0487</td><td>−646</td><td>±</td><td>23</td></tr><tr><td>0.5701</td><td>39,795</td><td>0.0605</td><td>−12,616</td><td>±</td><td>475</td><td>0.0723</td><td>−943</td><td>±</td><td>34</td></tr><tr><td>0.5712</td><td>39,356</td><td>0.0835</td><td>−13,056</td><td>±</td><td>470</td><td>0.0948</td><td>−1237</td><td>±</td><td>45</td></tr><tr><td>0.5978</td><td>40,367</td><td>0.1060</td><td>−12,042</td><td>±</td><td>482</td><td>0.1172</td><td>−1505</td><td>±</td><td>55</td></tr><tr><td>0.6123</td><td>40,207</td><td>0.1281</td><td>−12,203</td><td>±</td><td>480</td><td>0.1390</td><td>−1769</td><td>±</td><td>66</td></tr><tr><td>0.6235</td><td>40,690</td><td>0.1496</td><td>−11,718</td><td>±</td><td>486</td><td>0.1602</td><td>−2014</td><td>±</td><td>76</td></tr><tr><td>0.6487</td><td>40,856</td><td>0.1707</td><td>−11,551</td><td>±</td><td>488</td><td>0.1811</td><td>−2251</td><td>±</td><td>87</td></tr><tr><td>0.6649</td><td>40,924</td><td>0.1913</td><td>−11,483</td><td>±</td><td>489</td><td>0.2015</td><td>−2481</td><td>±</td><td>97</td></tr><tr><td>0.6801</td><td>37,403</td><td>0.2114</td><td>−15,017</td><td>±</td><td>447</td><td>0.2214</td><td>−2793</td><td>±</td><td>105</td></tr><tr><td>0.6970</td><td>35,354</td><td>0.2310</td><td>−17,073</td><td>±</td><td>422</td><td>0.2407</td><td>−3147</td><td>±</td><td>113</td></tr><tr><td>0.7130</td><td>35,215</td><td>0.2501</td><td>−17,212</td><td>±</td><td>421</td><td>0.2595</td><td>−3496</td><td>±</td><td>121</td></tr><tr><td>0.7171</td><td>31,147</td><td>0.2685</td><td>−21,294</td><td>±</td><td>372</td><td>0.2775</td><td>−3928</td><td>±</td><td>127</td></tr><tr><td>0.7207</td><td>29,255</td><td>0.2861</td><td>−23,192</td><td>±</td><td>349</td><td>0.2947</td><td>−4388</td><td>±</td><td>132</td></tr><tr><td>0.7347</td><td>28,666</td><td>0.3031</td><td>−23,784</td><td>±</td><td>342</td><td>0.3115</td><td>−4848</td><td>±</td><td>137</td></tr><tr><td>0.7412</td><td>26,520</td><td>0.3195</td><td>−25,937</td><td>±</td><td>317</td><td>0.3276</td><td>−5341</td><td>±</td><td>141</td></tr><tr><td>0.7701</td><td>26,681</td><td>0.3355</td><td>−25,776</td><td>±</td><td>319</td><td>0.3435</td><td>−5826</td><td>±</td><td>146</td></tr><tr><td>0.7732</td><td>27,125</td><td>0.3511</td><td>−25,330</td><td>±</td><td>324</td><td>0.3588</td><td>−6279</td><td>±</td><td>150</td></tr><tr><td>0.7802</td><td>27,747</td><td>0.3661</td><td>−24,706</td><td>±</td><td>331</td><td>0.3735</td><td>−6702</td><td>±</td><td>154</td></tr><tr><td>0.7828</td><td>26,583</td><td>0.3805</td><td>−25,874</td><td>±</td><td>318</td><td>0.3876</td><td>−7133</td><td>±</td><td>158</td></tr><tr><td>0.7881</td><td>27,188</td><td>0.3944</td><td>−25,267</td><td>±</td><td>325</td><td>0.4011</td><td>−7535</td><td>±</td><td>161</td></tr><tr><td>0.8008</td><td>24,969</td><td>0.4077</td><td>−27,494</td><td>±</td><td>298</td><td>0.4143</td><td>−7974</td><td>±</td><td>164</td></tr><tr><td>0.8089</td><td>27,207</td><td>0.4207</td><td>−25,247</td><td>±</td><td>325</td><td>0.4270</td><td>−8349</td><td>±</td><td>168</td></tr><tr><td>0.8348</td><td>27,726</td><td>0.4333</td><td>−24,727</td><td>±</td><td>331</td><td>0.4396</td><td>−8709</td><td>±</td><td>171</td></tr><tr><td>0.8390</td><td>26,933</td><td>0.4457</td><td>−25,523</td><td>±</td><td>322</td><td>0.4517</td><td>−9072</td><td>±</td><td>175</td></tr><tr><td colspan="10">
</td></tr><tr><td colspan="10" align="center"><italic>T = 1173 K; starting amount n(Sn) = 21.2417 · 10<sup>−3</sup> mol; run 1</italic></td></tr><tr><td>0.5130</td><td>30,295</td><td>0.0118</td><td>−18,919</td><td>±</td><td>911</td><td>0.0236</td><td>−446</td><td>±</td><td>21</td></tr><tr><td>0.5192</td><td>30,472</td><td>0.0350</td><td>−18,742</td><td>±</td><td>917</td><td>0.0463</td><td>−873</td><td>±</td><td>42</td></tr><tr><td>0.5413</td><td>30,598</td><td>0.0577</td><td>−18,616</td><td>±</td><td>920</td><td>0.0690</td><td>−1294</td><td>±</td><td>63</td></tr><tr><td>0.6180</td><td>30,953</td><td>0.0812</td><td>−18,261</td><td>±</td><td>931</td><td>0.0935</td><td>−1741</td><td>±</td><td>86</td></tr><tr><td>0.6203</td><td>29,379</td><td>0.1052</td><td>−19,835</td><td>±</td><td>884</td><td>0.1169</td><td>−2208</td><td>±</td><td>107</td></tr><tr><td>0.6286</td><td>27,680</td><td>0.1281</td><td>−21,534</td><td>±</td><td>833</td><td>0.1394</td><td>−2700</td><td>±</td><td>125</td></tr><tr><td>0.6500</td><td>29,735</td><td>0.1504</td><td>−19,479</td><td>±</td><td>894</td><td>0.1615</td><td>−3130</td><td>±</td><td>145</td></tr><tr><td>0.6608</td><td>24,861</td><td>0.1721</td><td>−24,353</td><td>±</td><td>748</td><td>0.1828</td><td>−3670</td><td>±</td><td>160</td></tr><tr><td>0.6740</td><td>23,414</td><td>0.1931</td><td>−25,801</td><td>±</td><td>704</td><td>0.2034</td><td>−4229</td><td>±</td><td>174</td></tr><tr><td>0.6839</td><td>21,189</td><td>0.2134</td><td>−28,026</td><td>±</td><td>637</td><td>0.2234</td><td>−4824</td><td>±</td><td>186</td></tr><tr><td>0.6867</td><td>21,832</td><td>0.2329</td><td>−27,383</td><td>±</td><td>657</td><td>0.2424</td><td>−5377</td><td>±</td><td>197</td></tr><tr><td>0.6995</td><td>22,342</td><td>0.2516</td><td>−26,873</td><td>±</td><td>672</td><td>0.2608</td><td>−5900</td><td>±</td><td>209</td></tr><tr><td>0.7222</td><td>21,222</td><td>0.2699</td><td>−27,992</td><td>±</td><td>638</td><td>0.2789</td><td>−6442</td><td>±</td><td>219</td></tr><tr><td>0.7541</td><td>23,001</td><td>0.2879</td><td>−26,214</td><td>±</td><td>692</td><td>0.2969</td><td>−6935</td><td>±</td><td>231</td></tr><tr><td>0.7586</td><td>23,041</td><td>0.3056</td><td>−26,173</td><td>±</td><td>693</td><td>0.3142</td><td>−7406</td><td>±</td><td>242</td></tr><tr><td>0.7619</td><td>22,757</td><td>0.3224</td><td>−26,457</td><td>±</td><td>684</td><td>0.3306</td><td>−7864</td><td>±</td><td>253</td></tr><tr><td>0.7644</td><td>21,033</td><td>0.3385</td><td>−28,181</td><td>±</td><td>633</td><td>0.3464</td><td>−8342</td><td>±</td><td>262</td></tr><tr><td>0.7769</td><td>21,701</td><td>0.3540</td><td>−27,513</td><td>±</td><td>653</td><td>0.3616</td><td>−8789</td><td>±</td><td>271</td></tr><tr><td>0.7879</td><td>22,884</td><td>0.3690</td><td>−26,330</td><td>±</td><td>688</td><td>0.3764</td><td>−9195</td><td>±</td><td>281</td></tr><tr><td>0.7892</td><td>22,330</td><td>0.3835</td><td>−26,884</td><td>±</td><td>672</td><td>0.3905</td><td>−9596</td><td>±</td><td>289</td></tr><tr><td>0.7962</td><td>22,222</td><td>0.3973</td><td>−26,993</td><td>±</td><td>668</td><td>0.4041</td><td>−9984</td><td>±</td><td>298</td></tr><tr><td>0.7985</td><td>23,379</td><td>0.4107</td><td>−25,836</td><td>±</td><td>703</td><td>0.4172</td><td>−10,331</td><td>±</td><td>307</td></tr><tr><td>0.7990</td><td>22,820</td><td>0.4234</td><td>−26,394</td><td>±</td><td>686</td><td>0.4297</td><td>−10,676</td><td>±</td><td>315</td></tr><tr><td>0.8145</td><td>23,852</td><td>0.4358</td><td>−25,362</td><td>±</td><td>717</td><td>0.4419</td><td>−10,990</td><td>±</td><td>324</td></tr><tr><td>0.8181</td><td>24,722</td><td>0.4478</td><td>−24,492</td><td>±</td><td>744</td><td>0.4536</td><td>−11,274</td><td>±</td><td>332</td></tr><tr><td colspan="10">
</td></tr><tr><td colspan="10" align="center"><italic>T = 1173 K; starting amount n(Sn) = 21.0598 · 10<sup>−3</sup> mol; run 2</italic></td></tr><tr><td>0.5448</td><td>30,340</td><td>0.0126</td><td>−18,874</td><td>±</td><td>918</td><td>0.0252</td><td>−427</td><td>±</td><td>23</td></tr><tr><td>0.5608</td><td>30,520</td><td>0.0375</td><td>−18,695</td><td>±</td><td>923</td><td>0.0499</td><td>−835</td><td>±</td><td>46</td></tr><tr><td>0.5703</td><td>30,843</td><td>0.0618</td><td>−18,371</td><td>±</td><td>933</td><td>0.0737</td><td>−1238</td><td>±</td><td>68</td></tr><tr><td>0.5988</td><td>30,973</td><td>0.0856</td><td>−18,241</td><td>±</td><td>937</td><td>0.0975</td><td>−1667</td><td>±</td><td>90</td></tr><tr><td>0.6361</td><td>29,473</td><td>0.1095</td><td>−19,741</td><td>±</td><td>892</td><td>0.1214</td><td>−2116</td><td>±</td><td>112</td></tr><tr><td>0.5715</td><td>30,926</td><td>0.1317</td><td>−18,288</td><td>±</td><td>936</td><td>0.1419</td><td>−2591</td><td>±</td><td>131</td></tr><tr><td>0.6378</td><td>24,618</td><td>0.1528</td><td>−24,596</td><td>±</td><td>745</td><td>0.1636</td><td>−3006</td><td>±</td><td>146</td></tr><tr><td>0.6404</td><td>23,616</td><td>0.1740</td><td>−25,598</td><td>±</td><td>715</td><td>0.1844</td><td>−3531</td><td>±</td><td>161</td></tr><tr><td>0.6635</td><td>22,644</td><td>0.1946</td><td>−26,570</td><td>±</td><td>685</td><td>0.2048</td><td>−4076</td><td>±</td><td>174</td></tr><tr><td>0.6646</td><td>21,235</td><td>0.2145</td><td>−27,980</td><td>±</td><td>643</td><td>0.2243</td><td>−4658</td><td>±</td><td>185</td></tr><tr><td>0.6987</td><td>22,554</td><td>0.2340</td><td>−26,660</td><td>±</td><td>682</td><td>0.2437</td><td>−5199</td><td>±</td><td>198</td></tr><tr><td>0.7064</td><td>19,959</td><td>0.2531</td><td>−29,255</td><td>±</td><td>604</td><td>0.2624</td><td>−5711</td><td>±</td><td>208</td></tr><tr><td>0.7099</td><td>21,748</td><td>0.2714</td><td>−27,466</td><td>±</td><td>658</td><td>0.2803</td><td>−6242</td><td>±</td><td>219</td></tr><tr><td>0.7117</td><td>21,286</td><td>0.2889</td><td>−27,928</td><td>±</td><td>644</td><td>0.2974</td><td>−6725</td><td>±</td><td>229</td></tr><tr><td>0.7220</td><td>22,500</td><td>0.3057</td><td>−26,714</td><td>±</td><td>681</td><td>0.3139</td><td>−7186</td><td>±</td><td>239</td></tr><tr><td>0.7295</td><td>23,319</td><td>0.3219</td><td>−25,895</td><td>±</td><td>706</td><td>0.3299</td><td>−7634</td><td>±</td><td>250</td></tr><tr><td>0.7557</td><td>21,840</td><td>0.3377</td><td>−27,374</td><td>±</td><td>661</td><td>0.3456</td><td>−8104</td><td>±</td><td>260</td></tr><tr><td>0.7573</td><td>22,851</td><td>0.3531</td><td>−26,363</td><td>±</td><td>691</td><td>0.3607</td><td>−8544</td><td>±</td><td>270</td></tr><tr><td>0.7583</td><td>21,994</td><td>0.3679</td><td>−27,221</td><td>±</td><td>665</td><td>0.3750</td><td>−8942</td><td>±</td><td>279</td></tr><tr><td>0.7654</td><td>22,836</td><td>0.3820</td><td>−26,378</td><td>±</td><td>691</td><td>0.3889</td><td>−9336</td><td>±</td><td>288</td></tr><tr><td>0.7920</td><td>22,936</td><td>0.3958</td><td>−26,279</td><td>±</td><td>694</td><td>0.4027</td><td>−9718</td><td>±</td><td>297</td></tr><tr><td>0.7925</td><td>22,500</td><td>0.4092</td><td>−26,714</td><td>±</td><td>681</td><td>0.4158</td><td>−10,059</td><td>±</td><td>305</td></tr><tr><td>0.8040</td><td>21,995</td><td>0.4222</td><td>−27,219</td><td>±</td><td>666</td><td>0.4285</td><td>−10,398</td><td>±</td><td>313</td></tr><tr><td>0.8159</td><td>23,804</td><td>0.4347</td><td>−25,410</td><td>±</td><td>720</td><td>0.4409</td><td>−10,706</td><td>±</td><td>322</td></tr><tr><td>0.8180</td><td>23,121</td><td>0.4468</td><td>−26,093</td><td>±</td><td>700</td><td>0.4528</td><td>−10,985</td><td>±</td><td>330</td></tr></tbody></table><table-wrap-foot><fn id="tblfn1"><label><italic>a</italic></label><p>Average of <italic>x</italic><sub>Co</sub> or <italic>x</italic><sub>Sn</sub> before and after the drop.</p></fn></table-wrap-foot><table-wrap-foot><fn id="tblfn2"><label><italic>b</italic></label><p>Per mole of binary mixture.</p></fn></table-wrap-foot></table-wrap><table-wrap id="t0010" position="float"><label>TABLE 2</label><caption><p>Integral and partial enthalpies of mixing of liquid Co–Sn alloys at <italic>T</italic> = (1773 to 673) K; standard states: pure liquid components; Co in liquid Sn.</p></caption><table frame="hsides" rules="groups"><thead><tr><th>Dropped mole</th><th>Measured enthalpy</th><th colspan="4">Partial molar enthalpy<hr></hr></th><th colspan="4">Integral molar enthalpy<hr></hr></th></tr><tr><th><italic>n</italic>(Co)</th><th>Δ<italic>H</italic><sub>Signal</sub></th><th><italic>x</italic><sub>Co</sub><xref rid="tblfn3" ref-type="table-fn">a</xref></th><th colspan="3"><inline-formula><mml:math id="M16" altimg="si16.gif" overflow="scroll"><mml:mrow><mml:mi mathvariant="normal">Δ</mml:mi><mml:msub><mml:mrow><mml:mover accent="true"><mml:mrow><mml:mi>H</mml:mi></mml:mrow><mml:mrow><mml:mo stretchy="true">‾</mml:mo></mml:mrow></mml:mover></mml:mrow><mml:mrow><mml:mtext>Co</mml:mtext></mml:mrow></mml:msub></mml:mrow></mml:math></inline-formula></th><th><italic>x</italic><sub>Co</sub><xref rid="tblfn4" ref-type="table-fn">b</xref></th><th colspan="3">Δ<italic><sub>Mix</sub>H</italic></th></tr><tr><th>10<sup>−3</sup> mol</th><th>J · mol<sup>−1</sup></th><th></th><th colspan="3">J · mol<sup>−1</sup></th><th></th><th colspan="3">J · mol<sup>−1</sup></th></tr></thead><tbody><tr><td colspan="10" align="center"><italic>T = 1773 K; starting amount n(Sn) = 108.6870 · 10<sup>−3</sup> mol; run1</italic></td></tr><tr><td>0.5588</td><td>67,578</td><td>0.0026</td><td>−2904</td><td>±</td><td>874</td><td>0.0051</td><td>−15</td><td>±</td><td>4</td></tr><tr><td>0.5967</td><td>67,756</td><td>0.0078</td><td>−2726</td><td>±</td><td>876</td><td>0.0105</td><td>−30</td><td>±</td><td>9</td></tr><tr><td>0.6014</td><td>68,693</td><td>0.0132</td><td>−1789</td><td>±</td><td>888</td><td>0.0159</td><td>−39</td><td>±</td><td>14</td></tr><tr><td>0.6115</td><td>67,557</td><td>0.0186</td><td>−2925</td><td>±</td><td>874</td><td>0.0213</td><td>−55</td><td>±</td><td>19</td></tr><tr><td>0.6183</td><td>68,232</td><td>0.0240</td><td>−2250</td><td>±</td><td>882</td><td>0.0267</td><td>−67</td><td>±</td><td>24</td></tr><tr><td>0.6186</td><td>69,175</td><td>0.0294</td><td>−1307</td><td>±</td><td>895</td><td>0.0321</td><td>−74</td><td>±</td><td>28</td></tr><tr><td>0.6349</td><td>69,655</td><td>0.0348</td><td>−827</td><td>±</td><td>901</td><td>0.0375</td><td>−78</td><td>±</td><td>33</td></tr><tr><td>0.6524</td><td>69,265</td><td>0.0403</td><td>−1217</td><td>±</td><td>896</td><td>0.0431</td><td>−85</td><td>±</td><td>38</td></tr><tr><td>0.6585</td><td>69,390</td><td>0.0458</td><td>−1092</td><td>±</td><td>897</td><td>0.0486</td><td>−91</td><td>±</td><td>43</td></tr><tr><td>0.6610</td><td>69,140</td><td>0.0513</td><td>−1341</td><td>±</td><td>894</td><td>0.0541</td><td>−98</td><td>±</td><td>48</td></tr><tr><td>0.6855</td><td>70,168</td><td>0.0569</td><td>−314</td><td>±</td><td>907</td><td>0.0597</td><td>−99</td><td>±</td><td>53</td></tr><tr><td>0.6958</td><td>69,693</td><td>0.0625</td><td>−789</td><td>±</td><td>901</td><td>0.0653</td><td>−103</td><td>±</td><td>58</td></tr><tr><td>0.7181</td><td>68,425</td><td>0.0682</td><td>−2057</td><td>±</td><td>885</td><td>0.0710</td><td>−115</td><td>±</td><td>63</td></tr><tr><td>0.7249</td><td>68,752</td><td>0.0739</td><td>−1730</td><td>±</td><td>889</td><td>0.0768</td><td>−125</td><td>±</td><td>68</td></tr><tr><td>0.7576</td><td>69,561</td><td>0.0797</td><td>−921</td><td>±</td><td>900</td><td>0.0827</td><td>−130</td><td>±</td><td>74</td></tr><tr><td>0.7926</td><td>69,307</td><td>0.0857</td><td>−1175</td><td>±</td><td>896</td><td>0.0888</td><td>−137</td><td>±</td><td>79</td></tr><tr><td>0.8182</td><td>69,335</td><td>0.0919</td><td>−1147</td><td>±</td><td>897</td><td>0.0950</td><td>−144</td><td>±</td><td>85</td></tr><tr><td colspan="10">
</td></tr><tr><td colspan="10" align="center"><italic>T = 1673 K; starting amount n(Sn) = 37.9607 · 10<sup>−3</sup> mol; run1</italic></td></tr><tr><td>0.1191</td><td>61,079</td><td>0.0016</td><td>−5868</td><td>±</td><td>792</td><td>0.0031</td><td>−18</td><td>±</td><td>2</td></tr><tr><td>0.1388</td><td>62,442</td><td>0.0049</td><td>−4504</td><td>±</td><td>810</td><td>0.0067</td><td>−34</td><td>±</td><td>5</td></tr><tr><td>0.1461</td><td>61,800</td><td>0.0086</td><td>−5147</td><td>±</td><td>801</td><td>0.0105</td><td>−54</td><td>±</td><td>8</td></tr><tr><td>0.1602</td><td>61,994</td><td>0.0126</td><td>−4952</td><td>±</td><td>804</td><td>0.0146</td><td>−74</td><td>±</td><td>12</td></tr><tr><td>0.1724</td><td>61,797</td><td>0.0168</td><td>−5149</td><td>±</td><td>801</td><td>0.0190</td><td>−97</td><td>±</td><td>15</td></tr><tr><td>0.1999</td><td>62,335</td><td>0.0216</td><td>−4611</td><td>±</td><td>808</td><td>0.0241</td><td>−120</td><td>±</td><td>19</td></tr><tr><td>0.2310</td><td>62,560</td><td>0.0270</td><td>−4387</td><td>±</td><td>811</td><td>0.0298</td><td>−145</td><td>±</td><td>24</td></tr><tr><td>0.2309</td><td>62,575</td><td>0.0327</td><td>−4371</td><td>±</td><td>811</td><td>0.0355</td><td>−170</td><td>±</td><td>29</td></tr><tr><td>0.2349</td><td>62,280</td><td>0.0384</td><td>−4667</td><td>±</td><td>808</td><td>0.0413</td><td>−196</td><td>±</td><td>33</td></tr><tr><td>0.2379</td><td>62,250</td><td>0.0441</td><td>−4697</td><td>±</td><td>807</td><td>0.0470</td><td>−223</td><td>±</td><td>38</td></tr><tr><td>0.2600</td><td>61,300</td><td>0.0501</td><td>−5646</td><td>±</td><td>795</td><td>0.0532</td><td>−258</td><td>±</td><td>43</td></tr><tr><td>0.2695</td><td>61,961</td><td>0.0563</td><td>−4985</td><td>±</td><td>803</td><td>0.0595</td><td>−290</td><td>±</td><td>48</td></tr><tr><td>0.3346</td><td>61,532</td><td>0.0633</td><td>−5415</td><td>±</td><td>798</td><td>0.0672</td><td>−332</td><td>±</td><td>54</td></tr><tr><td>0.3747</td><td>62,667</td><td>0.0715</td><td>−4279</td><td>±</td><td>813</td><td>0.0757</td><td>−368</td><td>±</td><td>61</td></tr><tr><td>0.3935</td><td>62,884</td><td>0.0801</td><td>−4062</td><td>±</td><td>815</td><td>0.0845</td><td>−403</td><td>±</td><td>68</td></tr><tr><td colspan="10">
</td></tr><tr><td colspan="10" align="center"><italic>T = 1573 K; starting amount n(Sn) = 22.5465 · 10<sup>−3</sup> mol; run1</italic></td></tr><tr><td>0.1614</td><td>56,190</td><td>0.0036</td><td>−7008</td><td>±</td><td>1139</td><td>0.0071</td><td>−50</td><td>±</td><td>8</td></tr><tr><td>0.1614</td><td>56,214</td><td>0.0106</td><td>−6983</td><td>±</td><td>1140</td><td>0.0141</td><td>−99</td><td>±</td><td>16</td></tr><tr><td>0.1859</td><td>56,078</td><td>0.0181</td><td>−7119</td><td>±</td><td>1137</td><td>0.0221</td><td>−155</td><td>±</td><td>25</td></tr><tr><td>0.1895</td><td>56,168</td><td>0.0261</td><td>−7030</td><td>±</td><td>1139</td><td>0.0300</td><td>−211</td><td>±</td><td>34</td></tr><tr><td>0.2005</td><td>55,746</td><td>0.0342</td><td>−7451</td><td>±</td><td>1130</td><td>0.0383</td><td>−273</td><td>±</td><td>44</td></tr><tr><td>0.2322</td><td>56,376</td><td>0.0431</td><td>−6822</td><td>±</td><td>1143</td><td>0.0478</td><td>−338</td><td>±</td><td>54</td></tr><tr><td>0.2386</td><td>55,589</td><td>0.0525</td><td>−7609</td><td>±</td><td>1127</td><td>0.0573</td><td>−410</td><td>±</td><td>65</td></tr><tr><td>0.2397</td><td>55,371</td><td>0.0619</td><td>−7827</td><td>±</td><td>1123</td><td>0.0666</td><td>−484</td><td>±</td><td>76</td></tr><tr><td colspan="10">
</td></tr><tr><td colspan="10" align="center"><italic>T = 1573 K; starting amount n(Sn) = 22.0460 · 10<sup>−3</sup> mol; run 2</italic></td></tr><tr><td>0.1356</td><td>56,112</td><td>0.0031</td><td>−7086</td><td>±</td><td>812</td><td>0.0061</td><td>−43</td><td>±</td><td>5</td></tr><tr><td>0.1496</td><td>55,734</td><td>0.0094</td><td>−7464</td><td>±</td><td>806</td><td>0.0128</td><td>−93</td><td>±</td><td>10</td></tr><tr><td>0.1575</td><td>55,485</td><td>0.0162</td><td>−7713</td><td>±</td><td>803</td><td>0.0197</td><td>−146</td><td>±</td><td>16</td></tr><tr><td>0.1689</td><td>54,875</td><td>0.0233</td><td>−8322</td><td>±</td><td>794</td><td>0.0270</td><td>−207</td><td>±</td><td>22</td></tr><tr><td>0.1700</td><td>56,353</td><td>0.0306</td><td>−6845</td><td>±</td><td>815</td><td>0.0342</td><td>−257</td><td>±</td><td>28</td></tr><tr><td>0.1710</td><td>55,711</td><td>0.0378</td><td>−7487</td><td>±</td><td>806</td><td>0.0414</td><td>−311</td><td>±</td><td>33</td></tr><tr><td>0.1740</td><td>54,657</td><td>0.0450</td><td>−8541</td><td>±</td><td>791</td><td>0.0486</td><td>−372</td><td>±</td><td>39</td></tr><tr><td>0.3593</td><td>57,683</td><td>0.0559</td><td>−5515</td><td>±</td><td>835</td><td>0.0631</td><td>−451</td><td>±</td><td>51</td></tr><tr><td colspan="10">
</td></tr><tr><td colspan="10" align="center"><italic>T = 1473 K; starting amount n(Sn) = 21.2186 · 10<sup>−3</sup> mol; run 1</italic></td></tr><tr><td>0.1520</td><td>50,633</td><td>0.0036</td><td>−8897</td><td>±</td><td>606</td><td>0.0071</td><td>−63</td><td>±</td><td>4</td></tr><tr><td>0.1805</td><td>50,140</td><td>0.0113</td><td>−9390</td><td>±</td><td>601</td><td>0.0154</td><td>−141</td><td>±</td><td>9</td></tr><tr><td>0.1923</td><td>49,596</td><td>0.0198</td><td>−9934</td><td>±</td><td>594</td><td>0.0241</td><td>−228</td><td>±</td><td>14</td></tr><tr><td>0.1965</td><td>49,597</td><td>0.0285</td><td>−9932</td><td>±</td><td>594</td><td>0.0329</td><td>−315</td><td>±</td><td>20</td></tr><tr><td>0.1998</td><td>50,703</td><td>0.0372</td><td>−8826</td><td>±</td><td>607</td><td>0.0416</td><td>−392</td><td>±</td><td>25</td></tr><tr><td>0.2000</td><td>50,323</td><td>0.0459</td><td>−9206</td><td>±</td><td>603</td><td>0.0502</td><td>−471</td><td>±</td><td>30</td></tr><tr><td>0.2102</td><td>49,586</td><td>0.0546</td><td>−9943</td><td>±</td><td>594</td><td>0.0590</td><td>−559</td><td>±</td><td>35</td></tr><tr><td>0.2168</td><td>51,048</td><td>0.0635</td><td>−8481</td><td>±</td><td>611</td><td>0.0680</td><td>−634</td><td>±</td><td>41</td></tr><tr><td colspan="10">
</td></tr><tr><td colspan="10" align="center"><italic>T = 1473 K; starting amount n(Sn) = 22.3699 · 10<sup>−3</sup> mol; run 2</italic></td></tr><tr><td>0.1652</td><td>50,622</td><td>0.0037</td><td>−8908</td><td>±</td><td>836</td><td>0.0073</td><td>−65</td><td>±</td><td>6</td></tr><tr><td>0.1692</td><td>50,011</td><td>0.0110</td><td>−9519</td><td>±</td><td>826</td><td>0.0147</td><td>−136</td><td>±</td><td>12</td></tr><tr><td>0.1843</td><td>50,112</td><td>0.0187</td><td>−9417</td><td>±</td><td>828</td><td>0.0227</td><td>−210</td><td>±</td><td>19</td></tr><tr><td>0.2143</td><td>49,759</td><td>0.0272</td><td>−9770</td><td>±</td><td>822</td><td>0.0317</td><td>−299</td><td>±</td><td>26</td></tr><tr><td>0.2143</td><td>51,283</td><td>0.0362</td><td>−8247</td><td>±</td><td>847</td><td>0.0406</td><td>−372</td><td>±</td><td>34</td></tr><tr><td>0.2147</td><td>49,489</td><td>0.0450</td><td>−10,040</td><td>±</td><td>817</td><td>0.0494</td><td>−460</td><td>±</td><td>41</td></tr><tr><td>0.2213</td><td>50,198</td><td>0.0538</td><td>−9331</td><td>±</td><td>829</td><td>0.0582</td><td>−543</td><td>±</td><td>48</td></tr><tr><td>0.2244</td><td>49,450</td><td>0.0626</td><td>−10,079</td><td>±</td><td>817</td><td>0.0670</td><td>−632</td><td>±</td><td>55</td></tr><tr><td colspan="10">
</td></tr><tr><td colspan="10" align="center"><italic>T = 1373 K; starting amount n(Sn) = 66.7256 · 10<sup>−3</sup> mol; run 1</italic></td></tr><tr><td>0.1943</td><td>45,469</td><td>0.0015</td><td>−10,516</td><td>±</td><td>1069</td><td>0.0029</td><td>−31</td><td>±</td><td>3</td></tr><tr><td>0.2073</td><td>44,684</td><td>0.0044</td><td>−11,300</td><td>±</td><td>1051</td><td>0.0060</td><td>−65</td><td>±</td><td>6</td></tr><tr><td>0.2157</td><td>46,022</td><td>0.0076</td><td>−9963</td><td>±</td><td>1082</td><td>0.0092</td><td>−97</td><td>±</td><td>10</td></tr><tr><td>0.2198</td><td>46,097</td><td>0.0108</td><td>−9887</td><td>±</td><td>1084</td><td>0.0124</td><td>−129</td><td>±</td><td>13</td></tr><tr><td>0.2207</td><td>46,574</td><td>0.0140</td><td>−9410</td><td>±</td><td>1095</td><td>0.0156</td><td>−159</td><td>±</td><td>17</td></tr><tr><td>0.2338</td><td>44,988</td><td>0.0173</td><td>−10,997</td><td>±</td><td>1058</td><td>0.0190</td><td>−196</td><td>±</td><td>20</td></tr><tr><td>0.2425</td><td>45,942</td><td>0.0207</td><td>−10,042</td><td>±</td><td>1080</td><td>0.0225</td><td>−231</td><td>±</td><td>24</td></tr><tr><td>0.2446</td><td>46,769</td><td>0.0242</td><td>−9216</td><td>±</td><td>1100</td><td>0.0260</td><td>−263</td><td>±</td><td>28</td></tr><tr><td>0.2469</td><td>44,785</td><td>0.0277</td><td>−11,199</td><td>±</td><td>1053</td><td>0.0295</td><td>−303</td><td>±</td><td>32</td></tr><tr><td>0.2486</td><td>45,027</td><td>0.0312</td><td>−10,958</td><td>±</td><td>1059</td><td>0.0330</td><td>−341</td><td>±</td><td>35</td></tr><tr><td>0.2535</td><td>45,409</td><td>0.0347</td><td>−10,575</td><td>±</td><td>1068</td><td>0.0365</td><td>−379</td><td>±</td><td>39</td></tr><tr><td>0.2680</td><td>45,617</td><td>0.0384</td><td>−10,367</td><td>±</td><td>1073</td><td>0.0402</td><td>−417</td><td>±</td><td>43</td></tr><tr><td colspan="10">
</td></tr><tr><td colspan="10" align="center"><italic>T = 1273 K; starting amount n(Sn) = 75.7459 · 10<sup>−3</sup> mol; run 1</italic></td></tr><tr><td>0.2448</td><td>37,021</td><td>0.0016</td><td>−15,529</td><td>±</td><td>743</td><td>0.0032</td><td>−50</td><td>±</td><td>2</td></tr><tr><td>0.2516</td><td>38,058</td><td>0.0049</td><td>−14,491</td><td>±</td><td>764</td><td>0.0065</td><td>−98</td><td>±</td><td>5</td></tr><tr><td>0.2528</td><td>37,536</td><td>0.0082</td><td>−15,013</td><td>±</td><td>754</td><td>0.0098</td><td>−147</td><td>±</td><td>7</td></tr><tr><td>0.2548</td><td>38,407</td><td>0.0114</td><td>−14,142</td><td>±</td><td>771</td><td>0.0131</td><td>−193</td><td>±</td><td>10</td></tr><tr><td>0.2570</td><td>37,896</td><td>0.0147</td><td>−14,654</td><td>±</td><td>761</td><td>0.0164</td><td>−242</td><td>±</td><td>12</td></tr><tr><td>0.2659</td><td>38,659</td><td>0.0181</td><td>−13,890</td><td>±</td><td>776</td><td>0.0198</td><td>−289</td><td>±</td><td>15</td></tr><tr><td>0.2743</td><td>37,973</td><td>0.0215</td><td>−14,577</td><td>±</td><td>763</td><td>0.0232</td><td>−339</td><td>±</td><td>18</td></tr><tr><td>0.2751</td><td>38,210</td><td>0.0250</td><td>−14,339</td><td>±</td><td>767</td><td>0.0267</td><td>−389</td><td>±</td><td>20</td></tr><tr><td>0.2816</td><td>37,668</td><td>0.0284</td><td>−14,882</td><td>±</td><td>756</td><td>0.0302</td><td>−441</td><td>±</td><td>23</td></tr><tr><td>0.2893</td><td>38,116</td><td>0.0320</td><td>−14,433</td><td>±</td><td>765</td><td>0.0338</td><td>−493</td><td>±</td><td>26</td></tr><tr><td>0.2905</td><td>37,614</td><td>0.0356</td><td>−14,936</td><td>±</td><td>755</td><td>0.0373</td><td>−546</td><td>±</td><td>28</td></tr><tr><td>0.2970</td><td>38,313</td><td>0.0391</td><td>−14,237</td><td>±</td><td>769</td><td>0.0410</td><td>−597</td><td>±</td><td>31</td></tr><tr><td>0.3002</td><td>38,349</td><td>0.0428</td><td>−14,200</td><td>±</td><td>770</td><td>0.0446</td><td>−649</td><td>±</td><td>34</td></tr><tr><td>0.3013</td><td>38,113</td><td>0.0464</td><td>−14436</td><td>±</td><td>765</td><td>0.0482</td><td>−701</td><td>±</td><td>37</td></tr><tr><td>0.3138</td><td>38,489</td><td>0.0501</td><td>−14,060</td><td>±</td><td>773</td><td>0.0519</td><td>−754</td><td>±</td><td>40</td></tr><tr><td>0.3150</td><td>38,064</td><td>0.0538</td><td>−14,485</td><td>±</td><td>764</td><td>0.0557</td><td>−808</td><td>±</td><td>43</td></tr><tr><td>0.3170</td><td>38,384</td><td>0.0575</td><td>−14,165</td><td>±</td><td>771</td><td>0.0594</td><td>−860</td><td>±</td><td>45</td></tr><tr><td>0.3202</td><td>38,566</td><td>0.0612</td><td>−13,983</td><td>±</td><td>774</td><td>0.0631</td><td>−912</td><td>±</td><td>48</td></tr><tr><td>0.3298</td><td>37,834</td><td>0.0650</td><td>−14,716</td><td>±</td><td>760</td><td>0.0669</td><td>−968</td><td>±</td><td>51</td></tr><tr><td>0.3400</td><td>38,532</td><td>0.0689</td><td>−14,017</td><td>±</td><td>774</td><td>0.0708</td><td>−1023</td><td>±</td><td>54</td></tr><tr><td colspan="10">
</td></tr><tr><td colspan="10" align="center"><italic>T = 1273 K; starting amount n(Sn) = 75.0990 · 10<sup>−3</sup> mol; run 2</italic></td></tr><tr><td>0.2377</td><td>36,335</td><td>0.0016</td><td>−16,215</td><td>±</td><td>730</td><td>0.0032</td><td>−51</td><td>±</td><td>2</td></tr><tr><td>0.2517</td><td>37,612</td><td>0.0048</td><td>−14,938</td><td>±</td><td>755</td><td>0.0065</td><td>−101</td><td>±</td><td>5</td></tr><tr><td>0.2556</td><td>37,515</td><td>0.0081</td><td>−15,035</td><td>±</td><td>753</td><td>0.0098</td><td>−151</td><td>±</td><td>7</td></tr><tr><td>0.2570</td><td>37,435</td><td>0.0115</td><td>−15,114</td><td>±</td><td>752</td><td>0.0132</td><td>−202</td><td>±</td><td>10</td></tr><tr><td>0.2620</td><td>37,778</td><td>0.0149</td><td>−14,771</td><td>±</td><td>759</td><td>0.0166</td><td>−252</td><td>±</td><td>12</td></tr><tr><td>0.2692</td><td>37,736</td><td>0.0183</td><td>−14,814</td><td>±</td><td>758</td><td>0.0200</td><td>−303</td><td>±</td><td>15</td></tr><tr><td>0.2721</td><td>36,967</td><td>0.0217</td><td>−15,583</td><td>±</td><td>742</td><td>0.0235</td><td>−357</td><td>±</td><td>18</td></tr><tr><td>0.2762</td><td>37,310</td><td>0.0252</td><td>−15,239</td><td>±</td><td>749</td><td>0.0270</td><td>−410</td><td>±</td><td>20</td></tr><tr><td>0.2921</td><td>37,426</td><td>0.0288</td><td>−15,124</td><td>±</td><td>752</td><td>0.0306</td><td>−466</td><td>±</td><td>23</td></tr><tr><td>0.2946</td><td>37,167</td><td>0.0325</td><td>−15,383</td><td>±</td><td>746</td><td>0.0343</td><td>−522</td><td>±</td><td>26</td></tr><tr><td>0.2998</td><td>38,233</td><td>0.0362</td><td>−14,317</td><td>±</td><td>768</td><td>0.0380</td><td>−575</td><td>±</td><td>29</td></tr><tr><td>0.3035</td><td>37,378</td><td>0.0399</td><td>−15,171</td><td>±</td><td>751</td><td>0.0417</td><td>−632</td><td>±</td><td>31</td></tr><tr><td>0.3035</td><td>37,512</td><td>0.0436</td><td>−15,037</td><td>±</td><td>753</td><td>0.0454</td><td>−687</td><td>±</td><td>34</td></tr><tr><td>0.3092</td><td>37,868</td><td>0.0473</td><td>−14,681</td><td>±</td><td>760</td><td>0.0492</td><td>−742</td><td>±</td><td>37</td></tr><tr><td>0.3098</td><td>37,784</td><td>0.0510</td><td>−14,765</td><td>±</td><td>759</td><td>0.0529</td><td>−797</td><td>±</td><td>40</td></tr><tr><td>0.3181</td><td>38,061</td><td>0.0548</td><td>−14,488</td><td>±</td><td>764</td><td>0.0567</td><td>−851</td><td>±</td><td>43</td></tr><tr><td>0.3272</td><td>38,267</td><td>0.0586</td><td>−14,282</td><td>±</td><td>769</td><td>0.0605</td><td>−906</td><td>±</td><td>46</td></tr><tr><td>0.3315</td><td>37,156</td><td>0.0625</td><td>−15,394</td><td>±</td><td>746</td><td>0.0644</td><td>−966</td><td>±</td><td>49</td></tr><tr><td>0.3384</td><td>38,207</td><td>0.0664</td><td>−14,343</td><td>±</td><td>767</td><td>0.0683</td><td>−1022</td><td>±</td><td>52</td></tr><tr><td colspan="10">
</td></tr><tr><td colspan="10" align="center"><italic>T = 1173 K; starting amount n(Sn) = 75.0215 · 10<sup>−3</sup> mol; run 1</italic></td></tr><tr><td>0.2342</td><td>29,714</td><td>0.0016</td><td>−19,500</td><td>±</td><td>894</td><td>0.0031</td><td>−61</td><td>±</td><td>3</td></tr><tr><td>0.2352</td><td>30,007</td><td>0.0047</td><td>−19,207</td><td>±</td><td>903</td><td>0.0062</td><td>−120</td><td>±</td><td>6</td></tr><tr><td>0.2458</td><td>29,954</td><td>0.0078</td><td>−19,260</td><td>±</td><td>901</td><td>0.0094</td><td>−182</td><td>±</td><td>8</td></tr><tr><td>0.2520</td><td>29,772</td><td>0.0111</td><td>−19,442</td><td>±</td><td>896</td><td>0.0127</td><td>−246</td><td>±</td><td>11</td></tr><tr><td>0.2543</td><td>30,305</td><td>0.0144</td><td>−18,909</td><td>±</td><td>912</td><td>0.0160</td><td>−309</td><td>±</td><td>14</td></tr><tr><td>0.2593</td><td>30,162</td><td>0.0177</td><td>−19,053</td><td>±</td><td>907</td><td>0.0194</td><td>−372</td><td>±</td><td>17</td></tr><tr><td>0.2633</td><td>30,221</td><td>0.0210</td><td>−18,994</td><td>±</td><td>909</td><td>0.0227</td><td>−436</td><td>±</td><td>21</td></tr><tr><td>0.2674</td><td>29,793</td><td>0.0244</td><td>−19,422</td><td>±</td><td>896</td><td>0.0261</td><td>−502</td><td>±</td><td>24</td></tr><tr><td>0.2688</td><td>30,464</td><td>0.0278</td><td>−18,750</td><td>±</td><td>917</td><td>0.0295</td><td>−565</td><td>±</td><td>27</td></tr><tr><td>0.2994</td><td>30,463</td><td>0.0314</td><td>−18,751</td><td>±</td><td>916</td><td>0.0332</td><td>−636</td><td>±</td><td>30</td></tr><tr><td>0.3042</td><td>30,184</td><td>0.0351</td><td>−19,030</td><td>±</td><td>908</td><td>0.0370</td><td>−707</td><td>±</td><td>34</td></tr><tr><td>0.3090</td><td>30,583</td><td>0.0389</td><td>−18,632</td><td>±</td><td>920</td><td>0.0408</td><td>−778</td><td>±</td><td>37</td></tr><tr><td>0.3152</td><td>30,345</td><td>0.0428</td><td>−18,870</td><td>±</td><td>913</td><td>0.0447</td><td>−851</td><td>±</td><td>41</td></tr><tr><td>0.3237</td><td>30,361</td><td>0.0466</td><td>−18,853</td><td>±</td><td>913</td><td>0.0486</td><td>−925</td><td>±</td><td>44</td></tr><tr><td>0.3260</td><td>30,629</td><td>0.0506</td><td>−18,586</td><td>±</td><td>921</td><td>0.0525</td><td>−997</td><td>±</td><td>48</td></tr><tr><td>0.3274</td><td>30,301</td><td>0.0545</td><td>−18,913</td><td>±</td><td>912</td><td>0.0564</td><td>−1071</td><td>±</td><td>51</td></tr><tr><td>0.3372</td><td>30,816</td><td>0.0584</td><td>−18,399</td><td>±</td><td>927</td><td>0.0604</td><td>−1144</td><td>±</td><td>55</td></tr><tr><td>0.3373</td><td>30,607</td><td>0.0624</td><td>−18,607</td><td>±</td><td>921</td><td>0.0644</td><td>−1218</td><td>±</td><td>59</td></tr><tr><td colspan="10">
</td></tr><tr><td colspan="10" align="center"><italic>T = 1173 K; starting amount n(Sn) = 76.6077 · 10<sup>−3</sup> mol; run 2</italic></td></tr><tr><td>0.2400</td><td>29,907</td><td>0.0016</td><td>−19,307</td><td>±</td><td>902</td><td>0.0031</td><td>−60</td><td>±</td><td>3</td></tr><tr><td>0.2465</td><td>30,544</td><td>0.0047</td><td>−18,670</td><td>±</td><td>921</td><td>0.0063</td><td>−120</td><td>±</td><td>6</td></tr><tr><td>0.2549</td><td>29,790</td><td>0.0079</td><td>−19,424</td><td>±</td><td>899</td><td>0.0096</td><td>−183</td><td>±</td><td>9</td></tr><tr><td>0.2564</td><td>30,052</td><td>0.0112</td><td>−19,162</td><td>±</td><td>907</td><td>0.0129</td><td>−246</td><td>±</td><td>12</td></tr><tr><td>0.2648</td><td>30,535</td><td>0.0145</td><td>−18,680</td><td>±</td><td>921</td><td>0.0162</td><td>−309</td><td>±</td><td>15</td></tr><tr><td>0.2719</td><td>30,898</td><td>0.0179</td><td>−18,316</td><td>±</td><td>932</td><td>0.0196</td><td>−371</td><td>±</td><td>18</td></tr><tr><td>0.2807</td><td>30,477</td><td>0.0214</td><td>−18,737</td><td>±</td><td>919</td><td>0.0231</td><td>−437</td><td>±</td><td>21</td></tr><tr><td>0.2841</td><td>30,509</td><td>0.0249</td><td>−18,705</td><td>±</td><td>920</td><td>0.0267</td><td>−503</td><td>±</td><td>24</td></tr><tr><td>0.2918</td><td>30,331</td><td>0.0285</td><td>−18,883</td><td>±</td><td>915</td><td>0.0303</td><td>−571</td><td>±</td><td>28</td></tr><tr><td>0.2922</td><td>30,189</td><td>0.0321</td><td>−19,026</td><td>±</td><td>911</td><td>0.0338</td><td>−639</td><td>±</td><td>31</td></tr><tr><td>0.2990</td><td>30,265</td><td>0.0357</td><td>−18,949</td><td>±</td><td>913</td><td>0.0375</td><td>−708</td><td>±</td><td>34</td></tr><tr><td>0.3003</td><td>30,770</td><td>0.0393</td><td>−18,444</td><td>±</td><td>928</td><td>0.0411</td><td>−774</td><td>±</td><td>38</td></tr><tr><td>0.3003</td><td>30,283</td><td>0.0429</td><td>−18,931</td><td>±</td><td>914</td><td>0.0447</td><td>−842</td><td>±</td><td>41</td></tr><tr><td>0.3044</td><td>29,826</td><td>0.0465</td><td>−19,388</td><td>±</td><td>900</td><td>0.0483</td><td>−913</td><td>±</td><td>44</td></tr><tr><td>0.3114</td><td>30,532</td><td>0.0501</td><td>−18,682</td><td>±</td><td>921</td><td>0.0520</td><td>−981</td><td>±</td><td>48</td></tr><tr><td>0.3235</td><td>30,472</td><td>0.0539</td><td>−18,742</td><td>±</td><td>919</td><td>0.0557</td><td>−1052</td><td>±</td><td>51</td></tr><tr><td>0.3248</td><td>30,263</td><td>0.0576</td><td>−18,951</td><td>±</td><td>913</td><td>0.0595</td><td>−1123</td><td>±</td><td>54</td></tr><tr><td>0.3293</td><td>30,466</td><td>0.0614</td><td>−18,749</td><td>±</td><td>919</td><td>0.0633</td><td>−1194</td><td>±</td><td>58</td></tr><tr><td>0.3315</td><td>30,608</td><td>0.0652</td><td>−18,607</td><td>±</td><td>923</td><td>0.0671</td><td>−1265</td><td>±</td><td>61</td></tr><tr><td>0.3341</td><td>30,979</td><td>0.0690</td><td>−18,235</td><td>±</td><td>935</td><td>0.0709</td><td>−1333</td><td>±</td><td>65</td></tr><tr><td colspan="10">
</td></tr><tr><td colspan="10" align="center"><italic>T = 1073 K; starting amount n(Sn) = 80.0034 · 10<sup>−3</sup> mol; run 1</italic></td></tr><tr><td>0.1727</td><td>21,806</td><td>0.0011</td><td>−24,165</td><td>±</td><td>1090</td><td>0.0022</td><td>−52</td><td>±</td><td>2</td></tr><tr><td>0.1753</td><td>21,917</td><td>0.0032</td><td>−24,053</td><td>±</td><td>1096</td><td>0.0043</td><td>−104</td><td>±</td><td>5</td></tr><tr><td>0.1815</td><td>21,581</td><td>0.0055</td><td>−24,390</td><td>±</td><td>1079</td><td>0.0066</td><td>−159</td><td>±</td><td>7</td></tr><tr><td>0.1829</td><td>21,266</td><td>0.0077</td><td>−24,705</td><td>±</td><td>1063</td><td>0.0088</td><td>−215</td><td>±</td><td>10</td></tr><tr><td>0.1837</td><td>22,140</td><td>0.0100</td><td>−23,831</td><td>±</td><td>1107</td><td>0.0111</td><td>−268</td><td>±</td><td>12</td></tr><tr><td>0.1838</td><td>22,876</td><td>0.0122</td><td>−23,095</td><td>±</td><td>1144</td><td>0.0133</td><td>−320</td><td>±</td><td>15</td></tr><tr><td>0.1869</td><td>21,733</td><td>0.0145</td><td>−24,238</td><td>±</td><td>1087</td><td>0.0156</td><td>−375</td><td>±</td><td>17</td></tr><tr><td>0.1870</td><td>22,729</td><td>0.0167</td><td>−23,242</td><td>±</td><td>1137</td><td>0.0178</td><td>−428</td><td>±</td><td>20</td></tr><tr><td>0.1877</td><td>22,169</td><td>0.0190</td><td>−23,802</td><td>±</td><td>1109</td><td>0.0201</td><td>−481</td><td>±</td><td>22</td></tr><tr><td>0.1880</td><td>21,993</td><td>0.0212</td><td>−23,978</td><td>±</td><td>1100</td><td>0.0224</td><td>−535</td><td>±</td><td>25</td></tr><tr><td>0.1893</td><td>22,865</td><td>0.0235</td><td>−23,106</td><td>±</td><td>1143</td><td>0.0246</td><td>−587</td><td>±</td><td>27</td></tr><tr><td>0.1895</td><td>22,190</td><td>0.0257</td><td>−23,781</td><td>±</td><td>1110</td><td>0.0269</td><td>−641</td><td>±</td><td>30</td></tr><tr><td>0.1896</td><td>21,638</td><td>0.0280</td><td>−24,333</td><td>±</td><td>1082</td><td>0.0291</td><td>−695</td><td>±</td><td>32</td></tr><tr><td>0.1908</td><td>22,684</td><td>0.0302</td><td>−23,287</td><td>±</td><td>1134</td><td>0.0313</td><td>−748</td><td>±</td><td>35</td></tr><tr><td>0.1918</td><td>22,205</td><td>0.0325</td><td>−23,766</td><td>±</td><td>1110</td><td>0.0336</td><td>−801</td><td>±</td><td>37</td></tr><tr><td>0.1919</td><td>21,925</td><td>0.0347</td><td>−24,046</td><td>±</td><td>1096</td><td>0.0358</td><td>−855</td><td>±</td><td>40</td></tr><tr><td>0.1932</td><td>22,249</td><td>0.0369</td><td>−23,722</td><td>±</td><td>1113</td><td>0.0381</td><td>−908</td><td>±</td><td>42</td></tr><tr><td>0.1950</td><td>21,937</td><td>0.0392</td><td>−24,034</td><td>±</td><td>1097</td><td>0.0403</td><td>−962</td><td>±</td><td>45</td></tr><tr><td>0.1952</td><td>22,677</td><td>0.0414</td><td>−23,294</td><td>±</td><td>1134</td><td>0.0426</td><td>−1014</td><td>±</td><td>47</td></tr><tr><td>0.1969</td><td>22,365</td><td>0.0437</td><td>−23,606</td><td>±</td><td>1118</td><td>0.0448</td><td>−1067</td><td>±</td><td>50</td></tr><tr><td colspan="10">
</td></tr><tr><td colspan="10" align="center"><italic>T = 1073 K; starting amount n(Sn) = 79.9663 · 10<sup>−3</sup> mol; run 2</italic></td></tr><tr><td>0.1656</td><td>21,689</td><td>0.0010</td><td>−24,282</td><td>±</td><td>1087</td><td>0.0021</td><td>−50</td><td>±</td><td>2</td></tr><tr><td>0.1695</td><td>22,066</td><td>0.0031</td><td>−23,905</td><td>±</td><td>1105</td><td>0.0042</td><td>−101</td><td>±</td><td>5</td></tr><tr><td>0.1702</td><td>20,901</td><td>0.0052</td><td>−25,070</td><td>±</td><td>1047</td><td>0.0063</td><td>−153</td><td>±</td><td>7</td></tr><tr><td>0.1741</td><td>21,864</td><td>0.0074</td><td>−24,107</td><td>±</td><td>1095</td><td>0.0084</td><td>−205</td><td>±</td><td>9</td></tr><tr><td>0.1743</td><td>21,936</td><td>0.0095</td><td>−24,035</td><td>±</td><td>1099</td><td>0.0106</td><td>−256</td><td>±</td><td>11</td></tr><tr><td>0.1748</td><td>21,957</td><td>0.0116</td><td>−24,014</td><td>±</td><td>1100</td><td>0.0127</td><td>−308</td><td>±</td><td>14</td></tr><tr><td>0.1787</td><td>22,026</td><td>0.0138</td><td>−23,945</td><td>±</td><td>1103</td><td>0.0149</td><td>−360</td><td>±</td><td>16</td></tr><tr><td>0.1833</td><td>21,895</td><td>0.0160</td><td>−24,076</td><td>±</td><td>1097</td><td>0.0171</td><td>−413</td><td>±</td><td>19</td></tr><tr><td>0.1858</td><td>22,209</td><td>0.0182</td><td>−23,762</td><td>±</td><td>1113</td><td>0.0193</td><td>−466</td><td>±</td><td>21</td></tr><tr><td>0.1867</td><td>22,255</td><td>0.0204</td><td>−23,716</td><td>±</td><td>1115</td><td>0.0216</td><td>−519</td><td>±</td><td>24</td></tr><tr><td>0.1873</td><td>22,466</td><td>0.0227</td><td>−23,505</td><td>±</td><td>1125</td><td>0.0238</td><td>−572</td><td>±</td><td>26</td></tr><tr><td>0.1891</td><td>22,044</td><td>0.0249</td><td>−23,927</td><td>±</td><td>1104</td><td>0.0261</td><td>−626</td><td>±</td><td>29</td></tr><tr><td>0.1900</td><td>22,236</td><td>0.0272</td><td>−23,735</td><td>±</td><td>1114</td><td>0.0283</td><td>−679</td><td>±</td><td>31</td></tr><tr><td>0.1906</td><td>22,485</td><td>0.0294</td><td>−23,486</td><td>±</td><td>1126</td><td>0.0305</td><td>−732</td><td>±</td><td>34</td></tr><tr><td>0.1924</td><td>22,015</td><td>0.0317</td><td>−23,956</td><td>±</td><td>1103</td><td>0.0328</td><td>−786</td><td>±</td><td>36</td></tr><tr><td>0.1948</td><td>22,241</td><td>0.0339</td><td>−23,730</td><td>±</td><td>1114</td><td>0.0351</td><td>−840</td><td>±</td><td>39</td></tr><tr><td>0.1952</td><td>22,044</td><td>0.0362</td><td>−23,927</td><td>±</td><td>1104</td><td>0.0373</td><td>−894</td><td>±</td><td>41</td></tr><tr><td>0.1953</td><td>22,407</td><td>0.0385</td><td>−23,564</td><td>±</td><td>1122</td><td>0.0396</td><td>−947</td><td>±</td><td>44</td></tr><tr><td>0.1984</td><td>22,337</td><td>0.0407</td><td>−23,634</td><td>±</td><td>1119</td><td>0.0419</td><td>−1001</td><td>±</td><td>46</td></tr><tr><td>0.2017</td><td>22,280</td><td>0.0430</td><td>−23,691</td><td>±</td><td>1116</td><td>0.0442</td><td>−1056</td><td>±</td><td>49</td></tr><tr><td colspan="10">
</td></tr><tr><td colspan="10" align="center"><italic>T = 973 K; starting amount n(Sn) = 79.2747 · 10<sup>−3</sup> mol; run 1</italic></td></tr><tr><td>0.1453</td><td>13,098</td><td>0.0009</td><td>−29,715</td><td>±</td><td>919</td><td>0.0018</td><td>−54</td><td>±</td><td>2</td></tr><tr><td>0.1504</td><td>13,933</td><td>0.0028</td><td>−28,880</td><td>±</td><td>977</td><td>0.0037</td><td>−109</td><td>±</td><td>4</td></tr><tr><td>0.1531</td><td>12,854</td><td>0.0047</td><td>−29,960</td><td>±</td><td>902</td><td>0.0056</td><td>−166</td><td>±</td><td>5</td></tr><tr><td>0.1552</td><td>13,999</td><td>0.0066</td><td>−28,814</td><td>±</td><td>982</td><td>0.0076</td><td>−222</td><td>±</td><td>7</td></tr><tr><td>0.3167</td><td>12,200</td><td>0.0095</td><td>−30,613</td><td>±</td><td>856</td><td>0.0115</td><td>−342</td><td>±</td><td>10</td></tr><tr><td>0.1604</td><td>13,424</td><td>0.0125</td><td>−29,389</td><td>±</td><td>942</td><td>0.0135</td><td>−400</td><td>±</td><td>12</td></tr><tr><td>0.1666</td><td>13,529</td><td>0.0145</td><td>−29,285</td><td>±</td><td>949</td><td>0.0155</td><td>−460</td><td>±</td><td>14</td></tr><tr><td>0.1669</td><td>13,649</td><td>0.0165</td><td>−29,165</td><td>±</td><td>957</td><td>0.0175</td><td>−519</td><td>±</td><td>16</td></tr><tr><td>0.1682</td><td>13,718</td><td>0.0186</td><td>−29,096</td><td>±</td><td>962</td><td>0.0196</td><td>−578</td><td>±</td><td>18</td></tr><tr><td>0.1686</td><td>13,829</td><td>0.0206</td><td>−28,984</td><td>±</td><td>970</td><td>0.0216</td><td>−637</td><td>±</td><td>20</td></tr><tr><td>0.3384</td><td>14,151</td><td>0.0236</td><td>−28,663</td><td>±</td><td>993</td><td>0.0257</td><td>−754</td><td>±</td><td>24</td></tr><tr><td>0.1731</td><td>13,473</td><td>0.0267</td><td>−29,341</td><td>±</td><td>945</td><td>0.0278</td><td>−815</td><td>±</td><td>26</td></tr><tr><td>0.1740</td><td>13,921</td><td>0.0288</td><td>−28892</td><td>±</td><td>977</td><td>0.0298</td><td>−875</td><td>±</td><td>28</td></tr><tr><td>0.1753</td><td>14,916</td><td>0.0309</td><td>−27897</td><td>±</td><td>1046</td><td>0.0319</td><td>−932</td><td>±</td><td>30</td></tr><tr><td>0.3576</td><td>14,495</td><td>0.0340</td><td>−28,318</td><td>±</td><td>1017</td><td>0.0361</td><td>−1051</td><td>±</td><td>35</td></tr><tr><td>0.1812</td><td>14,556</td><td>0.0372</td><td>−28,258</td><td>±</td><td>1021</td><td>0.0382</td><td>−1111</td><td>±</td><td>37</td></tr><tr><td>0.1834</td><td>14,331</td><td>0.0393</td><td>−28,483</td><td>±</td><td>1005</td><td>0.0404</td><td>−1172</td><td>±</td><td>39</td></tr><tr><td colspan="10">
</td></tr><tr><td colspan="10" align="center"><italic>T = 973 K; starting amount n(Sn) = 79.9983 · 10<sup>−3</sup> mol; run 2</italic></td></tr><tr><td>0.1310</td><td>13,990</td><td>0.0008</td><td>−28,823</td><td>±</td><td>910</td><td>0.0016</td><td>−47</td><td>±</td><td>1</td></tr><tr><td>0.1370</td><td>13,626</td><td>0.0025</td><td>−29,187</td><td>±</td><td>887</td><td>0.0033</td><td>−97</td><td>±</td><td>3</td></tr><tr><td>0.1386</td><td>13,597</td><td>0.0042</td><td>−29,217</td><td>±</td><td>885</td><td>0.0051</td><td>−147</td><td>±</td><td>5</td></tr><tr><td>0.1390</td><td>13,396</td><td>0.0059</td><td>−29,418</td><td>±</td><td>872</td><td>0.0068</td><td>−198</td><td>±</td><td>6</td></tr><tr><td>0.1393</td><td>13,302</td><td>0.0076</td><td>−29,511</td><td>±</td><td>866</td><td>0.0085</td><td>−248</td><td>±</td><td>7</td></tr><tr><td>0.1413</td><td>13,916</td><td>0.0094</td><td>−28,897</td><td>±</td><td>905</td><td>0.0102</td><td>−298</td><td>±</td><td>9</td></tr><tr><td>0.1422</td><td>13,457</td><td>0.0111</td><td>−29,356</td><td>±</td><td>876</td><td>0.0120</td><td>−349</td><td>±</td><td>11</td></tr><tr><td>0.1432</td><td>13,978</td><td>0.0128</td><td>−28,835</td><td>±</td><td>910</td><td>0.0137</td><td>−400</td><td>±</td><td>12</td></tr><tr><td>0.1542</td><td>13,592</td><td>0.0146</td><td>−29,222</td><td>±</td><td>884</td><td>0.0156</td><td>−454</td><td>±</td><td>14</td></tr><tr><td>0.1577</td><td>14,139</td><td>0.0165</td><td>−28,674</td><td>±</td><td>920</td><td>0.0175</td><td>−509</td><td>±</td><td>16</td></tr><tr><td>0.1607</td><td>14,267</td><td>0.0184</td><td>−28,547</td><td>±</td><td>928</td><td>0.0194</td><td>−564</td><td>±</td><td>17</td></tr><tr><td>0.1643</td><td>14,066</td><td>0.0204</td><td>−28747</td><td>±</td><td>915</td><td>0.0214</td><td>−621</td><td>±</td><td>19</td></tr><tr><td>0.1652</td><td>13,884</td><td>0.0224</td><td>−28,929</td><td>±</td><td>903</td><td>0.0234</td><td>−678</td><td>±</td><td>21</td></tr><tr><td>0.1687</td><td>14,025</td><td>0.0244</td><td>−28,788</td><td>±</td><td>913</td><td>0.0254</td><td>−736</td><td>±</td><td>23</td></tr><tr><td>0.1687</td><td>13,790</td><td>0.0264</td><td>−29,023</td><td>±</td><td>897</td><td>0.0274</td><td>−794</td><td>±</td><td>25</td></tr><tr><td>0.1752</td><td>13,881</td><td>0.0284</td><td>−28,932</td><td>±</td><td>903</td><td>0.0294</td><td>−853</td><td>±</td><td>26</td></tr><tr><td>0.1789</td><td>13,568</td><td>0.0305</td><td>−29,245</td><td>±</td><td>883</td><td>0.0315</td><td>−915</td><td>±</td><td>28</td></tr><tr><td>0.1820</td><td>13,828</td><td>0.0326</td><td>−28,986</td><td>±</td><td>900</td><td>0.0337</td><td>−977</td><td>±</td><td>30</td></tr><tr><td colspan="10">
</td></tr><tr><td colspan="10" align="center"><italic>T = 973 K; starting amount n(Sn) = 41.8931 · 10<sup>−3</sup> mol; run 3</italic></td></tr><tr><td>0.0707</td><td>13,788</td><td>0.0008</td><td>−29,107</td><td>±</td><td>902</td><td>0.0017</td><td>−49</td><td>±</td><td>2</td></tr><tr><td>0.0762</td><td>13,662</td><td>0.0026</td><td>−29,232</td><td>±</td><td>894</td><td>0.0035</td><td>−102</td><td>±</td><td>3</td></tr><tr><td>0.0507</td><td>13,756</td><td>0.0041</td><td>−29,138</td><td>±</td><td>900</td><td>0.0047</td><td>−137</td><td>±</td><td>4</td></tr><tr><td>0.0839</td><td>13,745</td><td>0.0057</td><td>−29,149</td><td>±</td><td>899</td><td>0.0067</td><td>−195</td><td>±</td><td>6</td></tr><tr><td>0.0596</td><td>13,835</td><td>0.0074</td><td>−29,059</td><td>±</td><td>905</td><td>0.0081</td><td>−235</td><td>±</td><td>7</td></tr><tr><td>0.1084</td><td>14,336</td><td>0.0093</td><td>−28,558</td><td>±</td><td>938</td><td>0.0106</td><td>−308</td><td>±</td><td>10</td></tr><tr><td>0.1056</td><td>16,048</td><td>0.0118</td><td>−26,846</td><td>±</td><td>1050</td><td>0.0131</td><td>−374</td><td>±</td><td>12</td></tr><tr><td>0.0959</td><td>15,148</td><td>0.0142</td><td>−27,746</td><td>±</td><td>991</td><td>0.0153</td><td>−436</td><td>±</td><td>14</td></tr><tr><td>0.0813</td><td>15,248</td><td>0.0162</td><td>−27,646</td><td>±</td><td>998</td><td>0.0172</td><td>−487</td><td>±</td><td>16</td></tr><tr><td colspan="10">
</td></tr><tr><td colspan="10" align="center"><italic>T = 973 K; starting amount: n(Sn) = 92.2513 · 10<sup>−3</sup> mol; run 4</italic></td></tr><tr><td>0.0449</td><td>13,806</td><td>0.0002</td><td>−29,213</td><td>±</td><td>912</td><td>0.0005</td><td>−14</td><td>±</td><td>1</td></tr><tr><td>0.0698</td><td>14,078</td><td>0.0009</td><td>−28,941</td><td>±</td><td>929</td><td>0.0012</td><td>−36</td><td>±</td><td>1</td></tr><tr><td>0.0985</td><td>13,481</td><td>0.0018</td><td>−29,538</td><td>±</td><td>890</td><td>0.0023</td><td>−68</td><td>±</td><td>2</td></tr><tr><td>0.1149</td><td>13,584</td><td>0.0029</td><td>−29,435</td><td>±</td><td>897</td><td>0.0035</td><td>−104</td><td>±</td><td>3</td></tr><tr><td>0.1167</td><td>14,183</td><td>0.0042</td><td>−28,836</td><td>±</td><td>936</td><td>0.0048</td><td>−140</td><td>±</td><td>4</td></tr><tr><td>0.1246</td><td>13,489</td><td>0.0055</td><td>−29,530</td><td>±</td><td>891</td><td>0.0061</td><td>−180</td><td>±</td><td>6</td></tr><tr><td>0.1474</td><td>13,901</td><td>0.0069</td><td>−29,117</td><td>±</td><td>918</td><td>0.0077</td><td>−225</td><td>±</td><td>7</td></tr><tr><td>0.1537</td><td>14,602</td><td>0.0085</td><td>−28,417</td><td>±</td><td>964</td><td>0.0093</td><td>−272</td><td>±</td><td>9</td></tr><tr><td>0.1655</td><td>14,590</td><td>0.0102</td><td>−28,429</td><td>±</td><td>963</td><td>0.0111</td><td>−322</td><td>±</td><td>10</td></tr><tr><td>0.1674</td><td>16,034</td><td>0.0120</td><td>−26,985</td><td>±</td><td>1059</td><td>0.0129</td><td>−370</td><td>±</td><td>12</td></tr><tr><td>0.1828</td><td>14,831</td><td>0.0138</td><td>−28,188</td><td>±</td><td>979</td><td>0.0148</td><td>−424</td><td>±</td><td>14</td></tr><tr><td>0.1858</td><td>15,692</td><td>0.0158</td><td>−27,327</td><td>±</td><td>1036</td><td>0.0168</td><td>−477</td><td>±</td><td>16</td></tr><tr><td colspan="10">
</td></tr><tr><td colspan="10" align="center"><italic>T = 873 K; starting amount: n(Sn) = 84.2413 · 10<sup>−3</sup> mol; run 1</italic></td></tr><tr><td>0.1616</td><td>13,351</td><td>0.0010</td><td>−26,386</td><td>±</td><td>1072</td><td>0.0019</td><td>−51</td><td>±</td><td>2</td></tr><tr><td>0.1619</td><td>14,862</td><td>0.0029</td><td>−24,875</td><td>±</td><td>1193</td><td>0.0038</td><td>−98</td><td>±</td><td>4</td></tr><tr><td>0.1631</td><td>11,729</td><td>0.0048</td><td>−28,008</td><td>±</td><td>942</td><td>0.0057</td><td>−152</td><td>±</td><td>6</td></tr><tr><td>0.1884</td><td>13,191</td><td>0.0068</td><td>−26,546</td><td>±</td><td>1059</td><td>0.0079</td><td>−210</td><td>±</td><td>8</td></tr><tr><td>0.1911</td><td>12,975</td><td>0.0091</td><td>−26,762</td><td>±</td><td>1042</td><td>0.0102</td><td>−270</td><td>±</td><td>11</td></tr><tr><td>0.1989</td><td>13,183</td><td>0.0113</td><td>−26,555</td><td>±</td><td>1058</td><td>0.0125</td><td>−331</td><td>±</td><td>13</td></tr><tr><td>0.2021</td><td>12,745</td><td>0.0137</td><td>−26,992</td><td>±</td><td>1023</td><td>0.0148</td><td>−394</td><td>±</td><td>16</td></tr><tr><td>0.2053</td><td>13,117</td><td>0.0160</td><td>−26,621</td><td>±</td><td>1053</td><td>0.0172</td><td>−457</td><td>±</td><td>18</td></tr><tr><td>0.2061</td><td>14,703</td><td>0.0184</td><td>−25,034</td><td>±</td><td>1180</td><td>0.0195</td><td>−516</td><td>±</td><td>21</td></tr><tr><td>0.2068</td><td>13,009</td><td>0.0207</td><td>−26,728</td><td>±</td><td>1044</td><td>0.0219</td><td>−579</td><td>±</td><td>23</td></tr><tr><td>0.2109</td><td>14,636</td><td>0.0231</td><td>−25,101</td><td>±</td><td>1175</td><td>0.0243</td><td>−639</td><td>±</td><td>26</td></tr><tr><td>0.2129</td><td>14,379</td><td>0.0255</td><td>−25,358</td><td>±</td><td>1154</td><td>0.0267</td><td>−700</td><td>±</td><td>29</td></tr><tr><td>0.2232</td><td>16,381</td><td>0.0279</td><td>−23,356</td><td>±</td><td>1315</td><td>0.0292</td><td>−758</td><td>±</td><td>32</td></tr><tr><td>0.2278</td><td>15,861</td><td>0.0305</td><td>−23,876</td><td>±</td><td>1273</td><td>0.0317</td><td>−818</td><td>±</td><td>35</td></tr><tr><td>0.2564</td><td>15,516</td><td>0.0331</td><td>−24,221</td><td>±</td><td>1246</td><td>0.0346</td><td>−887</td><td>±</td><td>39</td></tr><tr><td colspan="10">
</td></tr><tr><td colspan="10" align="center"><italic>T = 873 K; starting amount: n(Sn) = 84.2145 · 10<sup>−3</sup> mol; run 2</italic></td></tr><tr><td>0.1682</td><td>11,688</td><td>0.0010</td><td>−28,049</td><td>±</td><td>942</td><td>0.0020</td><td>−56</td><td>±</td><td>2</td></tr><tr><td>0.1788</td><td>15,709</td><td>0.0030</td><td>−24,028</td><td>±</td><td>1266</td><td>0.0041</td><td>−107</td><td>±</td><td>5</td></tr><tr><td>0.1818</td><td>12,191</td><td>0.0052</td><td>−27,546</td><td>±</td><td>983</td><td>0.0062</td><td>−165</td><td>±</td><td>7</td></tr><tr><td>0.1829</td><td>12,194</td><td>0.0073</td><td>−27,543</td><td>±</td><td>983</td><td>0.0084</td><td>−224</td><td>±</td><td>9</td></tr><tr><td>0.1860</td><td>13,875</td><td>0.0095</td><td>−25,862</td><td>±</td><td>1118</td><td>0.0105</td><td>−280</td><td>±</td><td>11</td></tr><tr><td>0.1874</td><td>14,088</td><td>0.0116</td><td>−25,649</td><td>±</td><td>1136</td><td>0.0127</td><td>−336</td><td>±</td><td>14</td></tr><tr><td>0.1894</td><td>13,789</td><td>0.0138</td><td>−25,948</td><td>±</td><td>1112</td><td>0.0149</td><td>−393</td><td>±</td><td>16</td></tr><tr><td>0.2117</td><td>15,049</td><td>0.0161</td><td>−24,688</td><td>±</td><td>1213</td><td>0.0173</td><td>−453</td><td>±</td><td>19</td></tr><tr><td>0.2158</td><td>14,048</td><td>0.0186</td><td>−25,689</td><td>±</td><td>1132</td><td>0.0198</td><td>−516</td><td>±</td><td>22</td></tr><tr><td>0.2162</td><td>15,946</td><td>0.0210</td><td>−23,791</td><td>±</td><td>1285</td><td>0.0223</td><td>−575</td><td>±</td><td>25</td></tr><tr><td>0.2190</td><td>16,589</td><td>0.0235</td><td>−23,148</td><td>±</td><td>1337</td><td>0.0248</td><td>−632</td><td>±</td><td>28</td></tr><tr><td>0.2241</td><td>15,538</td><td>0.0260</td><td>−24,199</td><td>±</td><td>1253</td><td>0.0273</td><td>−693</td><td>±</td><td>32</td></tr><tr><td>0.2293</td><td>16,618</td><td>0.0286</td><td>−23,119</td><td>±</td><td>1340</td><td>0.0298</td><td>−752</td><td>±</td><td>35</td></tr><tr><td>0.2309</td><td>16,649</td><td>0.0311</td><td>−23,088</td><td>±</td><td>1342</td><td>0.0324</td><td>−812</td><td>±</td><td>38</td></tr><tr><td>0.2420</td><td>15,963</td><td>0.0338</td><td>−23,774</td><td>±</td><td>1287</td><td>0.0351</td><td>−875</td><td>±</td><td>42</td></tr><tr><td colspan="10">
</td></tr><tr><td colspan="10" align="center"><italic>T = 873 K; starting amount: n(Sn) = 32.6032 · 10<sup>−3</sup> mol; run 3</italic></td></tr><tr><td>0.0331</td><td>12,431</td><td>0.0005</td><td>−27,598</td><td>±</td><td>1103</td><td>0.0010</td><td>−28</td><td>±</td><td>1</td></tr><tr><td>0.0342</td><td>11718</td><td>0.0015</td><td>−28,311</td><td>±</td><td>1040</td><td>0.0021</td><td>−58</td><td>±</td><td>2</td></tr><tr><td>0.0501</td><td>12,258</td><td>0.0028</td><td>−27,770</td><td>±</td><td>1088</td><td>0.0036</td><td>−100</td><td>±</td><td>4</td></tr><tr><td>0.0615</td><td>12,408</td><td>0.0045</td><td>−27,620</td><td>±</td><td>1101</td><td>0.0055</td><td>−152</td><td>±</td><td>6</td></tr><tr><td>0.0698</td><td>13,065</td><td>0.0065</td><td>−26,963</td><td>±</td><td>1159</td><td>0.0076</td><td>−209</td><td>±</td><td>8</td></tr><tr><td>0.1020</td><td>13,005</td><td>0.0091</td><td>−27,024</td><td>±</td><td>1154</td><td>0.0106</td><td>−292</td><td>±</td><td>12</td></tr><tr><td>0.0978</td><td>13,900</td><td>0.0121</td><td>−26,129</td><td>±</td><td>1233</td><td>0.0136</td><td>−368</td><td>±</td><td>16</td></tr><tr><td>0.1016</td><td>14,239</td><td>0.0151</td><td>−25,790</td><td>±</td><td>1263</td><td>0.0166</td><td>−446</td><td>±</td><td>19</td></tr><tr><td>0.1034</td><td>14,034</td><td>0.0181</td><td>−25,994</td><td>±</td><td>1245</td><td>0.0197</td><td>−526</td><td>±</td><td>23</td></tr><tr><td>0.1193</td><td>14,028</td><td>0.0214</td><td>−26,001</td><td>±</td><td>1245</td><td>0.0232</td><td>−617</td><td>±</td><td>28</td></tr><tr><td>0.1210</td><td>15,153</td><td>0.0249</td><td>−24,876</td><td>±</td><td>1344</td><td>0.0267</td><td>−704</td><td>±</td><td>32</td></tr><tr><td>0.1312</td><td>14,116</td><td>0.0286</td><td>−25,912</td><td>±</td><td>1252</td><td>0.0305</td><td>−803</td><td>±</td><td>37</td></tr><tr><td>0.1339</td><td>15,598</td><td>0.0324</td><td>−24,431</td><td>±</td><td>1384</td><td>0.0343</td><td>−896</td><td>±</td><td>42</td></tr><tr><td>0.1441</td><td>15,969</td><td>0.0364</td><td>−24,060</td><td>±</td><td>1417</td><td>0.0384</td><td>−995</td><td>±</td><td>48</td></tr><tr><td>0.1712</td><td>14,936</td><td>0.0408</td><td>−25,093</td><td>±</td><td>1325</td><td>0.0433</td><td>−1116</td><td>±</td><td>55</td></tr><tr><td colspan="10">
</td></tr><tr><td colspan="10" align="center"><italic>T = 773 K; starting amount: n(Sn) = 85.0400 · 10<sup>−3</sup> mol; run 1</italic></td></tr><tr><td>0.1583</td><td>10,307</td><td>0.0009</td><td>−26,522</td><td>±</td><td>1031</td><td>0.0019</td><td>−49</td><td>±</td><td>2</td></tr><tr><td>0.1723</td><td>10,735</td><td>0.0029</td><td>−26,093</td><td>±</td><td>1074</td><td>0.0039</td><td>−102</td><td>±</td><td>4</td></tr><tr><td>0.1747</td><td>12,433</td><td>0.0049</td><td>−24,396</td><td>±</td><td>1244</td><td>0.0059</td><td>−151</td><td>±</td><td>7</td></tr><tr><td>0.1788</td><td>12,334</td><td>0.0069</td><td>−24,494</td><td>±</td><td>1234</td><td>0.0080</td><td>−202</td><td>±</td><td>9</td></tr><tr><td>0.1830</td><td>12,459</td><td>0.0090</td><td>−24,370</td><td>±</td><td>1247</td><td>0.0101</td><td>−254</td><td>±</td><td>12</td></tr><tr><td>0.1872</td><td>12,841</td><td>0.0112</td><td>−23,987</td><td>±</td><td>1285</td><td>0.0122</td><td>−305</td><td>±</td><td>15</td></tr><tr><td>0.2041</td><td>12,598</td><td>0.0134</td><td>−24,230</td><td>±</td><td>1261</td><td>0.0146</td><td>−362</td><td>±</td><td>18</td></tr><tr><td>0.2058</td><td>13,681</td><td>0.0158</td><td>−23,147</td><td>±</td><td>1369</td><td>0.0169</td><td>−416</td><td>±</td><td>21</td></tr><tr><td>0.2059</td><td>13,455</td><td>0.0181</td><td>−23,373</td><td>±</td><td>1346</td><td>0.0193</td><td>−471</td><td>±</td><td>24</td></tr><tr><td>0.2207</td><td>13,141</td><td>0.0205</td><td>−23,687</td><td>±</td><td>1315</td><td>0.0217</td><td>−530</td><td>±</td><td>27</td></tr><tr><td>0.2375</td><td>12,887</td><td>0.0218</td><td>−23,942</td><td>±</td><td>1289</td><td>0.0244</td><td>−593</td><td>±</td><td>31</td></tr><tr><td colspan="10">
</td></tr><tr><td colspan="10" align="center"><italic>T = 773 K; starting amount: n(Sn) = 80.1196 · 10<sup>−3</sup> mol; run 2</italic></td></tr><tr><td>0.2260</td><td>10,226</td><td>0.0014</td><td>−26,691</td><td>±</td><td>1027</td><td>0.0028</td><td>−75</td><td>±</td><td>3</td></tr><tr><td>0.2389</td><td>11,288</td><td>0.0043</td><td>−25,629</td><td>±</td><td>1134</td><td>0.0058</td><td>−151</td><td>±</td><td>6</td></tr><tr><td>0.2429</td><td>11,966</td><td>0.0073</td><td>−24,951</td><td>±</td><td>1202</td><td>0.0088</td><td>−225</td><td>±</td><td>10</td></tr><tr><td>0.2461</td><td>13,358</td><td>0.0103</td><td>−23,559</td><td>±</td><td>1341</td><td>0.0118</td><td>−296</td><td>±</td><td>14</td></tr><tr><td>0.2513</td><td>13,874</td><td>0.0133</td><td>−23,044</td><td>±</td><td>1393</td><td>0.0148</td><td>−366</td><td>±</td><td>18</td></tr><tr><td>0.2554</td><td>12,938</td><td>0.0164</td><td>−23,979</td><td>±</td><td>1299</td><td>0.0179</td><td>−440</td><td>±</td><td>22</td></tr><tr><td>0.2693</td><td>13,711</td><td>0.0195</td><td>−23,206</td><td>±</td><td>1377</td><td>0.0211</td><td>−515</td><td>±</td><td>27</td></tr><tr><td>0.2733</td><td>13,052</td><td>0.0228</td><td>−23,865</td><td>±</td><td>1311</td><td>0.0244</td><td>−593</td><td>±</td><td>31</td></tr><tr><td>0.2760</td><td>11,691</td><td>0.0260</td><td>−25,226</td><td>±</td><td>1174</td><td>0.0277</td><td>−676</td><td>±</td><td>35</td></tr><tr><td>0.2773</td><td>12,206</td><td>0.0293</td><td>−24,711</td><td>±</td><td>1226</td><td>0.0309</td><td>−756</td><td>±</td><td>39</td></tr><tr><td>0.2897</td><td>12,613</td><td>0.0326</td><td>−24,304</td><td>±</td><td>1267</td><td>0.0343</td><td>−838</td><td>±</td><td>43</td></tr><tr><td>0.2995</td><td>13,774</td><td>0.0360</td><td>−23,143</td><td>±</td><td>1383</td><td>0.0378</td><td>−919</td><td>±</td><td>48</td></tr><tr><td>0.3056</td><td>12,218</td><td>0.0395</td><td>−24,699</td><td>±</td><td>1227</td><td>0.0413</td><td>−1006</td><td>±</td><td>52</td></tr><tr><td>0.3280</td><td>12,869</td><td>0.0432</td><td>−24,049</td><td>±</td><td>1292</td><td>0.0450</td><td>−1096</td><td>±</td><td>57</td></tr><tr><td>0.3359</td><td>12,919</td><td>0.0469</td><td>−23,998</td><td>±</td><td>1297</td><td>0.0489</td><td>−1187</td><td>±</td><td>62</td></tr><tr><td>0.3362</td><td>14,253</td><td>0.0507</td><td>−22,664</td><td>±</td><td>1431</td><td>0.0526</td><td>−1272</td><td>±</td><td>67</td></tr><tr><td>0.3479</td><td>12,521</td><td>0.0546</td><td>−24,396</td><td>±</td><td>1257</td><td>0.0565</td><td>−1367</td><td>±</td><td>72</td></tr><tr><td>0.3532</td><td>13,001</td><td>0.0585</td><td>−23,916</td><td>±</td><td>1306</td><td>0.0604</td><td>−1460</td><td>±</td><td>77</td></tr><tr><td>0.3575</td><td>13,685</td><td>0.0624</td><td>−23,232</td><td>±</td><td>1374</td><td>0.0643</td><td>−1551</td><td>±</td><td>83</td></tr><tr><td colspan="10">
</td></tr><tr><td colspan="10" align="center"><italic>T = 773 K; starting amount: n(Sn) = 77.7405 · 10<sup>−3</sup> mol; run 3</italic></td></tr><tr><td>0.1288</td><td>9111</td><td>0.0008</td><td>−27,717</td><td>±</td><td>914</td><td>0.0017</td><td>−46</td><td>±</td><td>2</td></tr><tr><td>0.1350</td><td>10,003</td><td>0.0025</td><td>−26,825</td><td>±</td><td>1004</td><td>0.0034</td><td>−92</td><td>±</td><td>3</td></tr><tr><td>0.1630</td><td>10,469</td><td>0.0044</td><td>−26,359</td><td>±</td><td>1051</td><td>0.0055</td><td>−147</td><td>±</td><td>5</td></tr><tr><td>0.1721</td><td>11,857</td><td>0.0066</td><td>−24,971</td><td>±</td><td>1190</td><td>0.0076</td><td>−201</td><td>±</td><td>8</td></tr><tr><td>0.1725</td><td>11,545</td><td>0.0087</td><td>−25,284</td><td>±</td><td>1159</td><td>0.0098</td><td>−257</td><td>±</td><td>11</td></tr><tr><td>0.1772</td><td>12,724</td><td>0.0109</td><td>−24,104</td><td>±</td><td>1277</td><td>0.0121</td><td>−310</td><td>±</td><td>14</td></tr><tr><td>0.1836</td><td>12,180</td><td>0.0132</td><td>−24,649</td><td>±</td><td>1222</td><td>0.0144</td><td>−367</td><td>±</td><td>16</td></tr><tr><td>0.1840</td><td>12,367</td><td>0.0155</td><td>−24,462</td><td>±</td><td>1241</td><td>0.0166</td><td>−423</td><td>±</td><td>19</td></tr><tr><td>0.1962</td><td>12,617</td><td>0.0179</td><td>−24,211</td><td>±</td><td>1059</td><td>0.0191</td><td>−487</td><td>±</td><td>22</td></tr><tr><td>0.1999</td><td>13,931</td><td>0.0203</td><td>−22,897</td><td>±</td><td>1398</td><td>0.0215</td><td>−543</td><td>±</td><td>26</td></tr><tr><td>0.2058</td><td>12,868</td><td>0.0228</td><td>−23,960</td><td>±</td><td>1291</td><td>0.0241</td><td>−604</td><td>±</td><td>29</td></tr><tr><td>0.2081</td><td>13,517</td><td>0.0253</td><td>−23,312</td><td>±</td><td>1356</td><td>0.0266</td><td>−663</td><td>±</td><td>33</td></tr><tr><td>0.2113</td><td>12,794</td><td>0.0279</td><td>−24,034</td><td>±</td><td>1284</td><td>0.0292</td><td>−725</td><td>±</td><td>36</td></tr><tr><td>0.2184</td><td>12,592</td><td>0.0292</td><td>−24,237</td><td>±</td><td>1264</td><td>0.0318</td><td>−789</td><td>±</td><td>40</td></tr><tr><td>0.2209</td><td>13,079</td><td>0.0332</td><td>−23,750</td><td>±</td><td>1312</td><td>0.0345</td><td>−852</td><td>±</td><td>43</td></tr><tr><td>0.2216</td><td>13,330</td><td>0.0358</td><td>−23,498</td><td>±</td><td>1338</td><td>0.0371</td><td>−914</td><td>±</td><td>47</td></tr><tr><td colspan="10">
</td></tr><tr><td colspan="10" align="center"><italic>T = 773 K; starting amount: n(Sn) = 36.1807 · 10<sup>−3</sup> mol; run 4</italic></td></tr><tr><td>0.0337</td><td>8830</td><td>0.0005</td><td>−28,045</td><td>±</td><td>922</td><td>0.0009</td><td>−26</td><td>±</td><td>1</td></tr><tr><td>0.0372</td><td>9753</td><td>0.0014</td><td>−27,122</td><td>±</td><td>1018</td><td>0.0020</td><td>−54</td><td>±</td><td>2</td></tr><tr><td>0.0386</td><td>10,166</td><td>0.0025</td><td>−26,709</td><td>±</td><td>1061</td><td>0.0030</td><td>−82</td><td>±</td><td>3</td></tr><tr><td>0.0486</td><td>10,813</td><td>0.0037</td><td>−26,062</td><td>±</td><td>1129</td><td>0.0044</td><td>−117</td><td>±</td><td>5</td></tr><tr><td>0.0440</td><td>11,600</td><td>0.0050</td><td>−25,275</td><td>±</td><td>1211</td><td>0.0056</td><td>−147</td><td>±</td><td>6</td></tr><tr><td>0.0443</td><td>12,508</td><td>0.0062</td><td>−24,367</td><td>±</td><td>1306</td><td>0.0068</td><td>−177</td><td>±</td><td>8</td></tr><tr><td>0.0478</td><td>11,609</td><td>0.0074</td><td>−25,266</td><td>±</td><td>1212</td><td>0.0081</td><td>−210</td><td>±</td><td>9</td></tr><tr><td>0.0514</td><td>12,513</td><td>0.0088</td><td>−24,362</td><td>±</td><td>1307</td><td>0.0095</td><td>−244</td><td>±</td><td>11</td></tr><tr><td>0.0476</td><td>13,097</td><td>0.0101</td><td>−23,778</td><td>±</td><td>1367</td><td>0.0107</td><td>−274</td><td>±</td><td>13</td></tr><tr><td>0.0588</td><td>13,485</td><td>0.0115</td><td>−23,390</td><td>±</td><td>1408</td><td>0.0123</td><td>−311</td><td>±</td><td>15</td></tr><tr><td>0.0754</td><td>12,968</td><td>0.0134</td><td>−23,907</td><td>±</td><td>1354</td><td>0.0144</td><td>−360</td><td>±</td><td>18</td></tr><tr><td>0.0768</td><td>13,716</td><td>0.0154</td><td>−23,158</td><td>±</td><td>1432</td><td>0.0164</td><td>−408</td><td>±</td><td>21</td></tr><tr><td>0.0780</td><td>13,747</td><td>0.0175</td><td>−23,128</td><td>±</td><td>1435</td><td>0.0185</td><td>−456</td><td>±</td><td>24</td></tr><tr><td>0.0819</td><td>12,740</td><td>0.0196</td><td>−24,134</td><td>±</td><td>1330</td><td>0.0207</td><td>−508</td><td>±</td><td>27</td></tr><tr><td colspan="10">
</td></tr><tr><td colspan="10" align="center"><italic>T = 673 K; starting amount: n(Sn) = 77.3911 · 10<sup>−3</sup> mol; run 1</italic></td></tr><tr><td>0.1459</td><td>9050</td><td>0.0009</td><td>−24,855</td><td>±</td><td>906</td><td>0.0019</td><td>−47</td><td>±</td><td>2</td></tr><tr><td>0.1487</td><td>9126</td><td>0.0028</td><td>−24,780</td><td>±</td><td>914</td><td>0.0038</td><td>−94</td><td>±</td><td>3</td></tr><tr><td>0.1567</td><td>9536</td><td>0.0048</td><td>−24,369</td><td>±</td><td>955</td><td>0.0058</td><td>−143</td><td>±</td><td>5</td></tr><tr><td>0.1643</td><td>10,133</td><td>0.0068</td><td>−23,773</td><td>±</td><td>1014</td><td>0.0079</td><td>−193</td><td>±</td><td>7</td></tr><tr><td>0.1708</td><td>10,411</td><td>0.0090</td><td>−23,495</td><td>±</td><td>1042</td><td>0.0101</td><td>−244</td><td>±</td><td>10</td></tr><tr><td>0.1715</td><td>9410</td><td>0.0111</td><td>−24,496</td><td>±</td><td>942</td><td>0.0122</td><td>−297</td><td>±</td><td>12</td></tr><tr><td>0.1719</td><td>10351</td><td>0.0133</td><td>−23,555</td><td>±</td><td>1036</td><td>0.0144</td><td>−348</td><td>±</td><td>14</td></tr><tr><td>0.1727</td><td>10,108</td><td>0.0155</td><td>−23,797</td><td>±</td><td>1012</td><td>0.0166</td><td>−399</td><td>±</td><td>16</td></tr><tr><td>0.1774</td><td>9889</td><td>0.0177</td><td>−24,017</td><td>±</td><td>990</td><td>0.0188</td><td>−452</td><td>±</td><td>18</td></tr><tr><td>0.1780</td><td>10,253</td><td>0.0199</td><td>−23,653</td><td>±</td><td>1026</td><td>0.0210</td><td>−504</td><td>±</td><td>21</td></tr><tr><td>0.1783</td><td>9764</td><td>0.0221</td><td>−24,142</td><td>±</td><td>977</td><td>0.0232</td><td>−558</td><td>±</td><td>23</td></tr><tr><td>0.1783</td><td>9639</td><td>0.0243</td><td>−24,267</td><td>±</td><td>965</td><td>0.0254</td><td>−611</td><td>±</td><td>25</td></tr><tr><td>0.1796</td><td>9735</td><td>0.0265</td><td>−24,171</td><td>±</td><td>974</td><td>0.0276</td><td>−664</td><td>±</td><td>27</td></tr><tr><td>0.1806</td><td>9712</td><td>0.0287</td><td>−24,194</td><td>±</td><td>972</td><td>0.0298</td><td>−717</td><td>±</td><td>29</td></tr><tr><td>0.1829</td><td>9834</td><td>0.0309</td><td>−24,071</td><td>±</td><td>984</td><td>0.0320</td><td>−771</td><td>±</td><td>31</td></tr><tr><td>0.1831</td><td>9806</td><td>0.0331</td><td>−24,100</td><td>±</td><td>982</td><td>0.0342</td><td>−824</td><td>±</td><td>34</td></tr><tr><td>0.1877</td><td>10,178</td><td>0.0353</td><td>−23,728</td><td>±</td><td>1019</td><td>0.0365</td><td>−878</td><td>±</td><td>36</td></tr><tr><td>0.1915</td><td>9921</td><td>0.0376</td><td>−23,985</td><td>±</td><td>993</td><td>0.0388</td><td>−933</td><td>±</td><td>38</td></tr><tr><td>0.1926</td><td>10,402</td><td>0.0399</td><td>−23,503</td><td>±</td><td>1041</td><td>0.0410</td><td>−986</td><td>±</td><td>41</td></tr><tr><td>0.1934</td><td>9569</td><td>0.0422</td><td>−24,336</td><td>±</td><td>958</td><td>0.0433</td><td>−1042</td><td>±</td><td>43</td></tr><tr><td>0.1937</td><td>9845</td><td>0.0445</td><td>−24,061</td><td>±</td><td>985</td><td>0.0456</td><td>−1097</td><td>±</td><td>45</td></tr><tr><td>0.1965</td><td>10,380</td><td>0.0468</td><td>−23,526</td><td>±</td><td>1039</td><td>0.0479</td><td>−1151</td><td>±</td><td>47</td></tr><tr><td>0.1967</td><td>10,419</td><td>0.0491</td><td>−23,486</td><td>±</td><td>1043</td><td>0.0502</td><td>−1205</td><td>±</td><td>50</td></tr><tr><td>0.1995</td><td>10,249</td><td>0.0514</td><td>−23,657</td><td>±</td><td>1026</td><td>0.0525</td><td>−1260</td><td>±</td><td>52</td></tr><tr><td>0.2054</td><td>10,621</td><td>0.0537</td><td>−23,285</td><td>±</td><td>1063</td><td>0.0549</td><td>−1315</td><td>±</td><td>55</td></tr><tr><td colspan="10">
</td></tr><tr><td colspan="10" align="center"><italic>T = 673 K; starting amount: n(Sn) = 37.4399 · 10<sup>−3</sup> mol; run 2</italic></td></tr><tr><td>0.0252</td><td>9598</td><td>0.0003</td><td>−24,352</td><td>±</td><td>1090</td><td>0.0007</td><td>−16</td><td>±</td><td>1</td></tr><tr><td>0.0263</td><td>10,106</td><td>0.0010</td><td>−23,845</td><td>±</td><td>1148</td><td>0.0014</td><td>−33</td><td>±</td><td>2</td></tr><tr><td>0.0284</td><td>10,173</td><td>0.0018</td><td>−23,778</td><td>±</td><td>1156</td><td>0.0021</td><td>−51</td><td>±</td><td>2</td></tr><tr><td>0.0287</td><td>9540</td><td>0.0025</td><td>−24,411</td><td>±</td><td>1084</td><td>0.0029</td><td>−70</td><td>±</td><td>3</td></tr><tr><td>0.0314</td><td>9646</td><td>0.0033</td><td>−24,304</td><td>±</td><td>1096</td><td>0.0037</td><td>−90</td><td>±</td><td>4</td></tr><tr><td>0.0354</td><td>9862</td><td>0.0042</td><td>−24,089</td><td>±</td><td>1120</td><td>0.0047</td><td>−113</td><td>±</td><td>5</td></tr><tr><td>0.0356</td><td>9027</td><td>0.0051</td><td>−24,924</td><td>±</td><td>1025</td><td>0.0056</td><td>−136</td><td>±</td><td>6</td></tr><tr><td>0.0359</td><td>10,349</td><td>0.0061</td><td>−23,601</td><td>±</td><td>1176</td><td>0.0066</td><td>−158</td><td>±</td><td>7</td></tr><tr><td>0.0575</td><td>10,126</td><td>0.0073</td><td>−23,825</td><td>±</td><td>1150</td><td>0.0081</td><td>−194</td><td>±</td><td>9</td></tr><tr><td>0.0637</td><td>9219</td><td>0.0089</td><td>−24,732</td><td>±</td><td>1047</td><td>0.0097</td><td>−236</td><td>±</td><td>11</td></tr><tr><td>0.0760</td><td>9007</td><td>0.0107</td><td>−24,944</td><td>±</td><td>1023</td><td>0.0117</td><td>−285</td><td>±</td><td>13</td></tr><tr><td>0.0852</td><td>9452</td><td>0.0128</td><td>−24,499</td><td>±</td><td>1074</td><td>0.0139</td><td>−340</td><td>±</td><td>15</td></tr><tr><td>0.0854</td><td>9405</td><td>0.0150</td><td>−24,545</td><td>±</td><td>1068</td><td>0.0162</td><td>−394</td><td>±</td><td>18</td></tr><tr><td>0.0864</td><td>9051</td><td>0.0173</td><td>−24,899</td><td>±</td><td>1028</td><td>0.0184</td><td>−450</td><td>±</td><td>20</td></tr><tr><td colspan="10">
</td></tr><tr><td colspan="10" align="center"><italic>T = 673 K; starting amount: n(Sn) = 76.1605 · 10<sup>−3</sup> mol; run 3</italic></td></tr><tr><td>0.0306</td><td>8859</td><td>0.0002</td><td>−25,092</td><td>±</td><td>1100</td><td>0.0004</td><td>−10</td><td>±</td><td>1</td></tr><tr><td>0.0306</td><td>8800</td><td>0.0006</td><td>−25,150</td><td>±</td><td>1093</td><td>0.0008</td><td>−20</td><td>±</td><td>1</td></tr><tr><td>0.0323</td><td>9493</td><td>0.0010</td><td>−24,458</td><td>±</td><td>1179</td><td>0.0012</td><td>−31</td><td>±</td><td>2</td></tr><tr><td>0.0393</td><td>9383</td><td>0.0015</td><td>−24,567</td><td>±</td><td>1165</td><td>0.0017</td><td>−43</td><td>±</td><td>2</td></tr><tr><td>0.0441</td><td>8627</td><td>0.0020</td><td>−25,324</td><td>±</td><td>1071</td><td>0.0023</td><td>−58</td><td>±</td><td>3</td></tr><tr><td>0.0586</td><td>9541</td><td>0.0027</td><td>−24,410</td><td>±</td><td>1184</td><td>0.0031</td><td>−76</td><td>±</td><td>4</td></tr><tr><td>0.0609</td><td>8848</td><td>0.0035</td><td>−25,103</td><td>±</td><td>1098</td><td>0.0039</td><td>−96</td><td>±</td><td>5</td></tr><tr><td>0.0820</td><td>9288</td><td>0.0044</td><td>−24,662</td><td>±</td><td>1153</td><td>0.0049</td><td>−123</td><td>±</td><td>7</td></tr><tr><td>0.0829</td><td>8750</td><td>0.0055</td><td>−25,200</td><td>±</td><td>1086</td><td>0.0060</td><td>−150</td><td>±</td><td>8</td></tr><tr><td>0.0848</td><td>8944</td><td>0.0066</td><td>−25,007</td><td>±</td><td>1110</td><td>0.0071</td><td>−177</td><td>±</td><td>10</td></tr><tr><td>0.0863</td><td>8979</td><td>0.0077</td><td>−24,972</td><td>±</td><td>1115</td><td>0.0082</td><td>−205</td><td>±</td><td>11</td></tr><tr><td>0.0908</td><td>10443</td><td>0.0088</td><td>−23,508</td><td>±</td><td>1296</td><td>0.0094</td><td>−233</td><td>±</td><td>13</td></tr><tr><td>0.0964</td><td>9748</td><td>0.0100</td><td>−24,203</td><td>±</td><td>1210</td><td>0.0106</td><td>−263</td><td>±</td><td>15</td></tr><tr><td>0.1011</td><td>9197</td><td>0.0113</td><td>−24,754</td><td>±</td><td>1142</td><td>0.0119</td><td>−295</td><td>±</td><td>16</td></tr><tr><td>0.1036</td><td>9482</td><td>0.0126</td><td>−24,469</td><td>±</td><td>1177</td><td>0.0133</td><td>−327</td><td>±</td><td>18</td></tr></tbody></table><table-wrap-foot><fn id="tblfn3"><label><italic>a</italic></label><p>Average of <italic>x</italic><sub>Co</sub> before and after the drop.</p></fn></table-wrap-foot><table-wrap-foot><fn id="tblfn4"><label><italic>b</italic></label><p>Per mole of binary mixture.</p></fn></table-wrap-foot></table-wrap><table-wrap id="t0015" position="float"><label>TABLE 3</label><caption><p>SEM–EDX results of Co–Sn samples after calorimetry.</p></caption><table frame="hsides" rules="groups"><thead><tr><th rowspan="2">Sample<hr></hr></th><th rowspan="2">Temperature of calor. meas. K<hr></hr></th><th rowspan="2">Dropped component<hr></hr></th><th colspan="3">Phase 1 (dark)<hr></hr></th><th colspan="3">Phase 2 (gray)<hr></hr></th><th colspan="3">Phase 3 (white gray)<hr></hr></th><th colspan="3">Phase 4 (white)<hr></hr></th><th rowspan="2">SEM image<hr></hr></th></tr><tr><th><hr></hr></th><th>Co<hr></hr></th><th>Sn<hr></hr></th><th><hr></hr></th><th>Co<hr></hr></th><th>Sn<hr></hr></th><th><hr></hr></th><th>Co<hr></hr></th><th>Sn<hr></hr></th><th><hr></hr></th><th>Co<hr></hr></th><th>Sn<hr></hr></th></tr><tr><th></th><th></th><th></th><th></th><th>at.%</th><th>at.%</th><th></th><th>at.%</th><th>at.%</th><th></th><th>at.%</th><th>at.%</th><th></th><th>at.%</th><th>at.%</th><th></th></tr></thead><tbody><tr><td>Co<sub>53</sub>Sn<sub>47</sub></td><td>1773</td><td>Co</td><td>αCo<sub>3</sub>Sn<sub>2</sub></td><td>57.9</td><td>42.1</td><td>CoSn</td><td>49.4</td><td>50.6</td><td>CoSn<sub>2</sub></td><td>32.9</td><td>67.1</td><td></td><td></td><td></td><td><inline-graphic xlink:href="fx1.gif"></inline-graphic></td></tr><tr><td>Co<sub>43</sub>Sn<sub>57</sub></td><td>1773</td><td>Sn</td><td>αCo<sub>3</sub>Sn<sub>2</sub></td><td>58.2</td><td>41.8</td><td>CoSn</td><td>49.5</td><td>50.5</td><td>CoSn<sub>2</sub></td><td>32.7</td><td>67.3</td><td>(βSn)</td><td>1.3</td><td>98.7</td><td><inline-graphic xlink:href="fx2.gif"></inline-graphic></td></tr><tr><td>Co<sub>2</sub>Sn<sub>98</sub></td><td>673</td><td>Co</td><td>CoSn<sub>2</sub></td><td>31.9</td><td>68.1</td><td>CoSn<sub>3</sub></td><td>24.1</td><td>75.9</td><td>βSn</td><td>0.1</td><td>99.9</td><td></td><td></td><td></td><td><inline-graphic xlink:href="fx3.gif"></inline-graphic></td></tr></tbody></table></table-wrap><table-wrap id="t0020" position="float"><label>TABLE 4</label><caption><p>Binary interaction parameters at different temperatures.</p></caption><table frame="hsides" rules="groups"><thead><tr><th><italic>T</italic>, K</th><th><sup><italic>v</italic></sup><italic>L</italic> (J · mol<sup>−1</sup>)</th></tr></thead><tbody><tr><td>1773</td><td><sup><italic>0</italic></sup><italic>L</italic> = −5074.4215<break></break><sup><italic>1</italic></sup><italic>L</italic> = −2618.7618</td></tr><tr><td>1673</td><td><sup><italic>0</italic></sup><italic>L</italic> = −9643.1489<break></break><sup><italic>1</italic></sup><italic>L</italic> = −6776.9058</td></tr><tr><td>1573</td><td><sup><italic>0</italic></sup><italic>L</italic> = −12681.3815<break></break><sup><italic>1</italic></sup><italic>L</italic> = −6599.7925</td></tr><tr><td>1473</td><td><sup><italic>0</italic></sup><italic>L</italic> = −16845.5182<break></break><sup><italic>1</italic></sup><italic>L</italic> = −8735.1269</td></tr><tr><td>1373</td><td><sup><italic>0</italic></sup><italic>L</italic> = −21679.8177<break></break><sup><italic>1</italic></sup><italic>L</italic> = −11432.1078</td></tr><tr><td>1273</td><td><sup><italic>0</italic></sup><italic>L</italic> = −23247.7289<break></break><sup><italic>1</italic></sup><italic>L</italic> = −10512.1250</td></tr><tr><td>1173</td><td><sup><italic>0</italic></sup><italic>L</italic> = −30032.9453<break></break><sup><italic>1</italic></sup><italic>L</italic> = −12595.8043</td></tr></tbody></table><table-wrap-foot><fn><p><sup><italic>0</italic></sup><italic>L</italic> = −75466.9610 + 39.6726<italic>T</italic>.</p><p><sup><italic>1</italic></sup><italic>L</italic> = −30685.2702 + 15.0835<italic>T</italic>; temperatures in K.</p></fn></table-wrap-foot></table-wrap><table-wrap id="t0025" position="float"><label>TABLE 5</label><caption><p>The limiting partial enthalpies of Co in liquid Sn at different temperatures; standard state: Co(l).</p></caption><table frame="hsides" rules="groups"><thead><tr><th>Temperature, K</th><th colspan="3"><inline-formula><mml:math id="M17" altimg="si17.gif" overflow="scroll"><mml:mrow><mml:mi mathvariant="normal">Δ</mml:mi><mml:msubsup><mml:mrow><mml:mover accent="true"><mml:mrow><mml:mi>H</mml:mi></mml:mrow><mml:mrow><mml:mo stretchy="true">‾</mml:mo></mml:mrow></mml:mover></mml:mrow><mml:mrow><mml:mtext>Co</mml:mtext></mml:mrow><mml:mrow><mml:mi>∞</mml:mi></mml:mrow></mml:msubsup><mml:mtext>,</mml:mtext></mml:mrow></mml:math></inline-formula> J · mol<sup>−1</sup></th><th>Source</th></tr></thead><tbody><tr><td>673</td><td>−24,600</td><td>±</td><td>2000</td><td>Present work</td></tr><tr><td>773</td><td>−27,000</td><td>±</td><td>2000</td><td>Present work</td></tr><tr><td>873</td><td>−28,100</td><td>±</td><td>1900</td><td>Present work</td></tr><tr><td>874</td><td>−27,800<xref rid="tblfn5" ref-type="table-fn">a</xref></td><td></td><td></td><td><xref rid="b0175" ref-type="bibr">[13]</xref></td></tr><tr><td>874</td><td>−28,000<xref rid="tblfn5" ref-type="table-fn">a</xref></td><td></td><td></td><td><xref rid="b0070" ref-type="bibr">[14]</xref></td></tr><tr><td>973</td><td>−29,100</td><td>±</td><td>1500</td><td>Present work</td></tr><tr><td>1073</td><td>−24,200</td><td>±</td><td>1400</td><td>Present work</td></tr><tr><td>1095</td><td>−21,800<xref rid="tblfn5" ref-type="table-fn">a</xref></td><td>±</td><td>600</td><td><xref rid="b0080" ref-type="bibr">[16]</xref></td></tr><tr><td>1173</td><td>−19,200</td><td>±</td><td>1200</td><td>Present work</td></tr><tr><td>1173</td><td>−17,000<xref rid="tblfn5" ref-type="table-fn">a</xref></td><td></td><td></td><td><xref rid="b0070" ref-type="bibr">[14]</xref></td></tr><tr><td>1173</td><td>−18,900<xref rid="tblfn5" ref-type="table-fn">a</xref></td><td></td><td></td><td><xref rid="b0075" ref-type="bibr">[15]</xref></td></tr><tr><td>1273</td><td>−15,100</td><td>±</td><td>1200</td><td>Present work</td></tr><tr><td>1373</td><td>−11,200</td><td>±</td><td>1700</td><td>Present work</td></tr><tr><td>1473</td><td>−9200</td><td>±</td><td>1200</td><td>Present work</td></tr><tr><td>1573</td><td>−7300</td><td>±</td><td>1300</td><td>Present work</td></tr><tr><td>1673</td><td>−5300</td><td>±</td><td>1800</td><td>Present work</td></tr><tr><td>1773</td><td>−3000</td><td>±</td><td>1000</td><td>Present work</td></tr></tbody></table><table-wrap-foot><fn><p>All values have been rounded to the nearest hundred</p></fn></table-wrap-foot><table-wrap-foot><fn id="tblfn5"><label><italic>a</italic></label><p>Value has been recalculated according to the given reference state.</p></fn></table-wrap-foot></table-wrap></floats-group></pmc></record>Pour manipuler ce document sous Unix (Dilib)
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