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Matrix modification with silver for the electrothermal atomization of arsenic and selenium

Analytica Chimica Acta

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Abstract

Silver as a matrix modifier is shown to improve the carbon-rod atomization of both arsenic and selenium for atomic absorption spectrometry. Compared to nickel, the efficiency of silver is greater for arsenic and about the same for selenium. Silver fulfils two functions in its reaction, namely stabilization during the ashing stage and enhancement of absorbance in the final atomization. ?? 1981.

Additional Publication Details

Publication type:
Article
Publication Subtype:
Journal Article
Title:
Matrix modification with silver for the electrothermal atomization of arsenic and selenium
Series title:
Analytica Chimica Acta
Volume
128
Issue:
C
Year Published:
1981
Language:
English
Larger Work Type:
Article
Larger Work Subtype:
Journal Article
Larger Work Title:
Analytica Chimica Acta
First page:
225
Last page:
227
Number of Pages:
3