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Determination of Selenium in Fifty Two Geochemical Reference Materials by Hydride Generation Atomic Absorption Spectrometry
Author(s) -
Terashima Shigeru,
Imai Noboru
Publication year - 2000
Publication title -
geostandards newsletter
Language(s) - English
Resource type - Journals
eISSN - 1751-908X
pISSN - 0150-5505
DOI - 10.1111/j.1751-908x.2000.tb00589.x
Subject(s) - selenium , hydride , atomic absorption spectroscopy , mass spectrometry , chemistry , nist , analytical chemistry (journal) , detection limit , radiochemistry , environmental chemistry , metal , chromatography , physics , organic chemistry , quantum mechanics , natural language processing , computer science
The selenium content of fifty two geochemical reference samples, issued by several reference material producers (ANRT, GIT‐IWG, USGS, NIST and GSJ) has been determined by continuous hydride generation and atomic absorption spectrometry. Selenium(VI) in the digested solutions was pre‐reduced to selenium(IV) by heating in 6 mol l −1 HCl solution. The limit of detection was 3 ng g −1 selenium in common geological samples. Some samples which contain a large amount of heavy metals were analysed by the standard addition technique. The agreement between the reported results and published data is satisfactory.