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Determination of selenium in individual food items using the short-lived nuclide77mSe

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Abstract

The selenium content of a variety of food items representing a normal hospital diet has been determined by cyclic instrumental neutron activation analysis (CINAA) through the 162-keV gamma-ray of the77mSe nuclide. The CINAA method is very simple and rapid. It involves irradiation of a sample for 20 s, decay for 20 s, and counting for 20 s. The precision of the method has been significantly improved by recycling the samples up to 4 times. The accuracy has been evaluated by analyzing a number of certified reference materials of varied selenium levels.

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Authors and Affiliations

  1. Trace Analysis Research Centre, Department of Chemistry, Dalhousie University, B3H 4J1, Halifax, N. S., (Canada)

    L. S. McDowell, P. R. Giffen & A. Chatt

Authors
  1. L. S. McDowell
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  2. P. R. Giffen
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  3. A. Chatt
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McDowell, L.S., Giffen, P.R. & Chatt, A. Determination of selenium in individual food items using the short-lived nuclide77mSe. Journal of Radioanalytical and Nuclear Chemistry, Articles 110, 519–529 (1987). https://doi.org/10.1007/BF02035541

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  • DOI: https://doi.org/10.1007/BF02035541

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