Hydride generation-graphite furnace atomic absorption spectrometry: new prospects

From National Research Council Canada

DOIResolve DOI: https://doi.org/10.1007/BF00467077
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  1. National Research Council of Canada
FormatText, Article
Journal titleFresenius' Zeitschrift für analytische Chemie
ISSN0016-1152
Volume323
IssueApril 7
Pages788–792
Abstract
Methods are described for the interference free determination of As and Se in seawater as well as marine tissues and sediments based on the generation of AsH3, and SeH2 using NaBH4 with subsequent trapping in a graphite furnace at 600° C. Calibration is achieved with simple aqueous working curves having sensitivities of 24±4 and 72±17 pg/0.0044 A for As and Se, respectively. Absolute detection limits of 30 pg As and 70 pg Se are estimated. Precision of determination is 2–3% for As and 5–10% for Se.
Publication date
LanguageEnglish
Identifier10197825
NRC numberNRC-INMS-1226
NPARC number5764149
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