Abstract
Abstract A simple and rapid digestion technique is described for the determination of mercury in fish by flameless atomic absorption. The sample is digested with nitric acid in a closed system in a commercially available vessel made of Teflon. A 30 min digestion at 150 °C is sufficient to convert the mercury to an inorganic form so that it can t h e n be reduced to the elemental state , aerated, and determined by atomic absorption. The proposed digestion compares favorably with the official AOAC sulfuricnitric- perchloric acid digestion.
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