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Determination of arsenic in geological materials by electrothermal atomic-absorption spectrometry after hydride generation

Analytica Chimica Acta

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Abstract

Rock and soil samples are decomposed with HClO4-HNO3; after further treatment, arsine is generated and absorbed in a dilute silver nitrate solution. Aliquots of this solution are injected into a carbon rod atomizer. Down to 1 ppm As in samples can be determined and there are no significant interferences, even from chromium in soils. Good results were obtained for geochemical reference samples. ?? 1979.

Additional Publication Details

Publication type:
Article
Publication Subtype:
Journal Article
Title:
Determination of arsenic in geological materials by electrothermal atomic-absorption spectrometry after hydride generation
Series title:
Analytica Chimica Acta
Volume
108
Issue:
C
Year Published:
1979
Language:
English
Larger Work Type:
Article
Larger Work Subtype:
Journal Article
First page:
357
Last page:
361
Number of Pages:
5