Oxidation state related evaluation of tellurium determination by flame AAS

Oxidation state related evaluation of tellurium determination by flame AAS

In this study, when Te (IV) and Te (VI) solutions were prepared by deionized water, unexpected differences in the flame AAS sensitivity for Te were found, depending on the oxidation state. Te (TV) gave a significantly greater absorb-ance than the same concentration of Te (VI) in the air-acetylene fl...

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Veröffentlicht in:Fresenius environmental bulletin 2008-01, Vol.17 (7b), p.911-911
Hauptverfasser: Yildiz, H B, Ertas, N, Ataman, YO
Format: Artikel
Sprache:eng
Schlagworte:
Oxidation
Q1
Tellurium
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Zusammenfassung:In this study, when Te (IV) and Te (VI) solutions were prepared by deionized water, unexpected differences in the flame AAS sensitivity for Te were found, depending on the oxidation state. Te (TV) gave a significantly greater absorb-ance than the same concentration of Te (VI) in the air-acetylene flame. However, when these solutions were prepared in 1.0 % (v/v) HNO sub(3), they had equal sensitivity for flame AAS. This behavior allows one to determine total Te without any error.
ISSN:1018-4619