Achieving efficient, multi-element atomisation conditions for atomic absorption spectrometry using a platform-equipped, integrated-contact furnace and a palladium modifier
Identifieur interne : 001397 ( Main/Exploration ); précédent : 001396; suivant : 001398Achieving efficient, multi-element atomisation conditions for atomic absorption spectrometry using a platform-equipped, integrated-contact furnace and a palladium modifier
Auteurs : M. Berglund [Suède] ; W. Frech [Suède] ; D. C. Baxter [Suède]Source :
- Spectrochimica Acta Part B: Atomic Spectroscopy [ 0584-8547 ] ; 1991.
Abstract
The feasibility of using a single set of atomiser conditions for a suite of elements covering a wide range of volatilities has been investigated with a new integrated-contact furnace (ICF). This ICF features an in-built, integrated platform and a longitudinal a.c. magnet arrangement to facilitate inverse Zeeman-effect background correction. The results show that involatile elements (molybdenum, vanadium) can be effectively vaporised from the platform at a vapour phase temperature of only 2660 K. Atomisation efficiencies were calculated by comparing experimental characteristic masses (m0) with those obtained using a theoretical model at this temperature. Elements having as diverse physical properties as cadmium and vanadium were found to be efficiently atomised in the ICF when using a palladium modifier. It is concluded that the platform-equipped ICF presents much better prospects than furnaces based on the Massmann design for multi-element atomic absorption instruments.
Url:
DOI: 10.1016/0584-8547(91)80179-7
Affiliations:
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Baxter</name><affiliation wicri:level="1"><country xml:lang="fr">Suède</country><wicri:regionArea>Department of Analytical Chemistry, University of Umeå, S-901 87 Umeå</wicri:regionArea><wicri:noRegion>S-901 87 Umeå</wicri:noRegion></affiliation></author></analytic><monogr></monogr><series><title level="j">Spectrochimica Acta Part B: Atomic Spectroscopy</title><title level="j" type="abbrev">SAB</title><idno type="ISSN">0584-8547</idno><imprint><publisher>ELSEVIER</publisher><date type="published" when="1991">1991</date><biblScope unit="volume">46</biblScope><biblScope unit="issue">13</biblScope><biblScope unit="page" from="1767">1767</biblScope><biblScope unit="page" to="1777">1777</biblScope></imprint><idno type="ISSN">0584-8547</idno></series><idno type="istex">0342BFB4B878549FCD0F656C0DAF5BFA65B07595</idno><idno type="DOI">10.1016/0584-8547(91)80179-7</idno><idno type="PII">0584-8547(91)80179-7</idno></biblStruct></sourceDesc><seriesStmt><idno type="ISSN">0584-8547</idno></seriesStmt></fileDesc><profileDesc><textClass></textClass><langUsage><language ident="en">en</language></langUsage></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">The feasibility of using a single set of atomiser conditions for a suite of elements covering a wide range of volatilities has been investigated with a new integrated-contact furnace (ICF). This ICF features an in-built, integrated platform and a longitudinal a.c. magnet arrangement to facilitate inverse Zeeman-effect background correction. The results show that involatile elements (molybdenum, vanadium) can be effectively vaporised from the platform at a vapour phase temperature of only 2660 K. Atomisation efficiencies were calculated by comparing experimental characteristic masses (m0) with those obtained using a theoretical model at this temperature. Elements having as diverse physical properties as cadmium and vanadium were found to be efficiently atomised in the ICF when using a palladium modifier. It is concluded that the platform-equipped ICF presents much better prospects than furnaces based on the Massmann design for multi-element atomic absorption instruments.</div></front></TEI><affiliations><list><country><li>Suède</li></country></list><tree><country name="Suède"><noRegion><name sortKey="Berglund, M" sort="Berglund, M" uniqKey="Berglund M" first="M." last="Berglund">M. Berglund</name></noRegion><name sortKey="Baxter, D C" sort="Baxter, D C" uniqKey="Baxter D" first="D. C." last="Baxter">D. C. Baxter</name><name sortKey="Frech, W" sort="Frech, W" uniqKey="Frech W" first="W." last="Frech">W. Frech</name></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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