Improved selenium recovery from tissue with modified sample decomposition
Journal of the Association of Official Analytical Chemists
By: W. G. Brumbaugh and M.J. Walther
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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.
| 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 |
| DOI | 10.1093/jaoac/74.3.570 |
| Volume | 74 |
| Issue | 3 |
| Year Published | 1991 |
| Language | English |
| Publisher | Association of Official Analytical Chemists |
| Contributing office(s) | Columbia Environmental Research Center |
| Description | 2 p. |
| First page | 570 |
| Last page | 571 |
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