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Improved selenium recovery from tissue with modified sample decomposition

Journal of the Association of Official Analytical Chemists
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Abstract

The present paper describes a simple modification of a recently reported decomposition method for determination of selenium in biological tissue by hydride generation atomic absorption. The modified method yielded slightly higher selenium recoveries (3-4%) for selected reference tissues and fish tissue spiked with selenomethionine. Radiotracer experiments indicated that the addition of a small volume of hydrochloric acid to the wet digestate mixture reduced slight losses of selenium as the sample initially went to dryness before ashing. With the modified method, selenium spiked as selenomethionine behaved more like the selenium in reference tissues than did the inorganic spike forms when this digestion modification was used.

Additional publication details

Publication type Article
Publication Subtype Journal Article
Title Improved selenium recovery from tissue with modified sample decomposition
Series title Journal of the Association of Official Analytical Chemists
Volume 74
Issue 3
Year Published 1991
Language English
Publisher Association of Official Analytical Chemists
Contributing office(s) Columbia Environmental Research Center
Description 1 p.
First page 570
Last page 571