Determination of arsenic and selenium in whole fish by continuous-flow hydride generation atomic absorption spectrophotometry
Journal of the Association of Official Analytical Chemists
By: W. G. Brumbaugh and M.J. Walther
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Abstract
A combined wet chemical and dry ash digestion and use of a continuous- flow hydride generator coupled with a flame-heated quartz cell enabled the simple, precise, and highly automated atomic absorption determination of arsenic and selenium in tissues of whole fish. Percent relative standard deviation averaged 4% for each element; method detection limits (μg/g dry wt) were about 0.06 for arsenic and 0.04 for selenium. Digestion of samples proceeded with little operator attention and without perchloric acid. Analysis for arsenic as As(V) simplified sample preparation but care had to be exercised to avoid interferences from high concentrations of selenium.
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Determination of arsenic and selenium in whole fish by continuous-flow hydride generation atomic absorption spectrophotometry |
| Series title | Journal of the Association of Official Analytical Chemists |
| DOI | 10.1093/jaoac/72.3.484 |
| Volume | 72 |
| Issue | 3 |
| Year Published | 1989 |
| Language | English |
| Publisher | Association of Official Analytical Chemists |
| Contributing office(s) | Columbia Environmental Research Center |
| Description | 3 p. |
| First page | 484 |
| Last page | 486 |
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