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  • Title: Flameless atomic absorption spectrophotometry of selenium in fish and food products.
    Author: Shum GT, Freeman HC, Uthe JF.
    Journal: J Assoc Off Anal Chem; 1977 Sep; 60(5):1010-4. PubMed ID: 893319.
    Abstract:
    A method is described for determining selenium in fish tissues, meat, cereals, milk powder, and other materials by flameless atomic absorption spectrophotometry. Samples are solubilized in HNO3 and atomized in a graphite furnace in the presence of nickel nitrate. Recoveries of 0.500 and 1.000 microgram selenium added to several fish samples averaged 99.0 and 98.3%, respectively, with standard deviations of 5.3 and 4.0. Results agreed with those obtained for samples previously analyzed by fluorometry, and with results for NBS Standard Reference Material. The detection limit was 3 ng/ml solution and 50 ng/g sample.
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