The sequential determination of arsenic, selenium, germanium and tin as their hydrides by gas—solid chromatography with an atomic absorption detector

Arsenic, germanium, selenium and tin were sequentially determined in single samples by using hydride generation followed by gas chromatography with an atomic absorption detector. Apparent detection limits varied from 3 ppb for As to 13 ppb for Ge with linear dynamic ranges of about 1.5 orders of mag...

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Bibliographic Details
Published in:Analytica chimica acta 1980-01, Vol.118 (1), p.115-122
Main Authors: Hahn, Mark H., Mulligan, Kevin J., Jackson, Michaele E., Caruso, Joseph A.
Format: Article
Language:English
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Summary:Arsenic, germanium, selenium and tin were sequentially determined in single samples by using hydride generation followed by gas chromatography with an atomic absorption detector. Apparent detection limits varied from 3 ppb for As to 13 ppb for Ge with linear dynamic ranges of about 1.5 orders of magnitude. Relative standard deviations, evaluated in the middle of the working range, varied from 2% to 11%. Chromatographie parameters were chosen to allow for manual lamp selection and monochromator adjustment. Data handling was done by microcomputer. The analysis time was 5 min.
ISSN:0003-2670
1873-4324
DOI:10.1016/S0003-2670(01)93721-3