Systematic study of the decomposition of very small quantities of rare earth oxides by mass spectrometry
Identifieur interne : 004F99 ( Main/Exploration ); précédent : 004F98; suivant : 005000Systematic study of the decomposition of very small quantities of rare earth oxides by mass spectrometry
Auteurs : Long-Den Nguyen [France] ; M. De Saint-Simon [France]Source :
- International Journal of Mass Spectrometry and Ion Physics [ 0020-7381 ] ; 1972.
English descriptors
- KwdEn :
- Absolute temperature, Ames, Atomic number, Condensed phase, Crystal transformation, Dissociation energy, Electronic configuration, Error bars, Experimental errors, Experimental results, Experimental values, Filament, Gaseous monoxides, High temperature, High voltage, Ionization, Lanthanide, Linear function, Mass spectrometer, Mass spectrometry, Monoxide, Phys, Rare earth elements, Rare earth oxides, Rhenium, Rhenium filament, Same meaning, Small quantities, Solid circles, Solid line, Spectrometer, Straight line, Thermal ionization, Thermal ionization source, Trace quantities, Transition energy.
- Teeft :
- Absolute temperature, Ames, Atomic number, Condensed phase, Crystal transformation, Dissociation energy, Electronic configuration, Error bars, Experimental errors, Experimental results, Experimental values, Filament, Gaseous monoxides, High temperature, High voltage, Ionization, Lanthanide, Linear function, Mass spectrometer, Mass spectrometry, Monoxide, Phys, Rare earth elements, Rare earth oxides, Rhenium, Rhenium filament, Same meaning, Small quantities, Solid circles, Solid line, Spectrometer, Straight line, Thermal ionization, Thermal ionization source, Trace quantities, Transition energy.
Abstract
Abstract: The ratio i(M+)/i(MO+) has been measured as a function of temperature by mass spectrometry. We have used thermal ionization of small quantities of rare earth oxides which were deposited on a rhenium filament.The results are interpreted starting from the decomposition of the monoxides, their reduction by the rhenium and the thermal ionization of the products which have been formed. The quantities which entered into the calculations were the dissociation energy Doo(MO) and the atomic number Z of the investigated element. Good agreement is obtained with experimental results. With this method it seems possible to determine the dissociation energy Doo(MO) and to detect the presence of crystal transformation of an element in very small quantities. As an application, these results should permit one to identify for lanthanides both Z and A simultaneously, since A is determined by the magnetic field of the mass spectrometer.
Url:
DOI: 10.1016/0020-7381(72)80056-1
Affiliations:
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De Saint-Simon</name></author></titleStmt><publicationStmt><idno type="wicri:source">ISTEX</idno><idno type="RBID">ISTEX:3A84B6385B6EBD8E4DE7637095FDA449CFBC6A93</idno><date when="1972" year="1972">1972</date><idno type="doi">10.1016/0020-7381(72)80056-1</idno><idno type="url">https://api.istex.fr/document/3A84B6385B6EBD8E4DE7637095FDA449CFBC6A93/fulltext/pdf</idno><idno type="wicri:Area/Istex/Corpus">000C80</idno><idno type="wicri:explorRef" wicri:stream="Istex" wicri:step="Corpus" wicri:corpus="ISTEX">000C80</idno><idno type="wicri:Area/Istex/Curation">000C80</idno><idno type="wicri:Area/Istex/Checkpoint">002782</idno><idno type="wicri:explorRef" wicri:stream="Istex" wicri:step="Checkpoint">002782</idno><idno type="wicri:doubleKey">0020-7381:1972:Nguyen L:systematic:study:of</idno><idno type="wicri:Area/Main/Merge">005436</idno><idno type="wicri:Area/Main/Curation">004F99</idno><idno type="wicri:Area/Main/Exploration">004F99</idno></publicationStmt><sourceDesc><biblStruct><analytic><title level="a">Systematic study of the decomposition of very small quantities of rare earth oxides by mass spectrometry</title><author><name sortKey="Nguyen, Long Den" sort="Nguyen, Long Den" uniqKey="Nguyen L" first="Long-Den" last="Nguyen">Long-Den Nguyen</name><affiliation wicri:level="1"><country xml:lang="fr">France</country><wicri:regionArea>Division de Radiochimie, Institut de Physique Nucléaire, B.P. 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No. 1</wicri:noRegion></affiliation></author></analytic><monogr></monogr><series><title level="j">International Journal of Mass Spectrometry and Ion Physics</title><title level="j" type="abbrev">JMSIP</title><idno type="ISSN">0020-7381</idno><imprint><publisher>ELSEVIER</publisher><date type="published" when="1972">1972</date><biblScope unit="volume">9</biblScope><biblScope unit="issue">3</biblScope><biblScope unit="page" from="299">299</biblScope><biblScope unit="page" to="314">314</biblScope></imprint><idno type="ISSN">0020-7381</idno></series></biblStruct></sourceDesc><seriesStmt><idno type="ISSN">0020-7381</idno></seriesStmt></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Absolute temperature</term><term>Ames</term><term>Atomic number</term><term>Condensed phase</term><term>Crystal transformation</term><term>Dissociation energy</term><term>Electronic configuration</term><term>Error bars</term><term>Experimental errors</term><term>Experimental results</term><term>Experimental values</term><term>Filament</term><term>Gaseous monoxides</term><term>High temperature</term><term>High voltage</term><term>Ionization</term><term>Lanthanide</term><term>Linear function</term><term>Mass spectrometer</term><term>Mass spectrometry</term><term>Monoxide</term><term>Phys</term><term>Rare earth elements</term><term>Rare earth oxides</term><term>Rhenium</term><term>Rhenium filament</term><term>Same meaning</term><term>Small quantities</term><term>Solid circles</term><term>Solid line</term><term>Spectrometer</term><term>Straight line</term><term>Thermal ionization</term><term>Thermal ionization source</term><term>Trace quantities</term><term>Transition energy</term></keywords><keywords scheme="Teeft" xml:lang="en"><term>Absolute temperature</term><term>Ames</term><term>Atomic number</term><term>Condensed phase</term><term>Crystal transformation</term><term>Dissociation energy</term><term>Electronic configuration</term><term>Error bars</term><term>Experimental errors</term><term>Experimental results</term><term>Experimental values</term><term>Filament</term><term>Gaseous monoxides</term><term>High temperature</term><term>High voltage</term><term>Ionization</term><term>Lanthanide</term><term>Linear function</term><term>Mass spectrometer</term><term>Mass spectrometry</term><term>Monoxide</term><term>Phys</term><term>Rare earth elements</term><term>Rare earth oxides</term><term>Rhenium</term><term>Rhenium filament</term><term>Same meaning</term><term>Small quantities</term><term>Solid circles</term><term>Solid line</term><term>Spectrometer</term><term>Straight line</term><term>Thermal ionization</term><term>Thermal ionization source</term><term>Trace quantities</term><term>Transition energy</term></keywords></textClass><langUsage><language ident="en">en</language></langUsage></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Abstract: The ratio i(M+)/i(MO+) has been measured as a function of temperature by mass spectrometry. We have used thermal ionization of small quantities of rare earth oxides which were deposited on a rhenium filament.The results are interpreted starting from the decomposition of the monoxides, their reduction by the rhenium and the thermal ionization of the products which have been formed. The quantities which entered into the calculations were the dissociation energy Doo(MO) and the atomic number Z of the investigated element. Good agreement is obtained with experimental results. With this method it seems possible to determine the dissociation energy Doo(MO) and to detect the presence of crystal transformation of an element in very small quantities. As an application, these results should permit one to identify for lanthanides both Z and A simultaneously, since A is determined by the magnetic field of the mass spectrometer.</div></front></TEI><affiliations><list><country><li>France</li></country></list><tree><country name="France"><noRegion><name sortKey="Nguyen, Long Den" sort="Nguyen, Long Den" uniqKey="Nguyen L" first="Long-Den" last="Nguyen">Long-Den Nguyen</name></noRegion><name sortKey="De Saint Simon, M" sort="De Saint Simon, M" uniqKey="De Saint Simon M" first="M." last="De Saint-Simon">M. De Saint-Simon</name></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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