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81mSe tracer for determination of the chemical yield in radiochemical neutron activation analysis of selenium

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Abstract

A radiotracer method is described for measurement of the chemical yield in radiochemical neutron activation analysis of selenium using the75Se (120 d) induced nuclide. It is based on81mSe (57 min) radioisotopic tracer, prepared immediately before its use in the radiochemical separation procedure, by neutron irradiation of highly enriched80Se. The recovery of selenium is calculated from the 103 keV ψ-peak of81mSe in the separated selenium fraction used for quantitation of75Se. The technique is illustrated by results for biological reference materials of good accuracy and reproducibility.

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Authors and Affiliations

  1. “Jožef Stefan” Institute, Jamova 39, 61000, Ljubljana, Slovenia

    V. Stibilj, M. Dermelj & A. R. Byrne

Authors
  1. V. Stibilj
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  2. M. Dermelj
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  3. A. R. Byrne
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Stibilj, V., Dermelj, M. & Byrne, A.R. 81mSe tracer for determination of the chemical yield in radiochemical neutron activation analysis of selenium. Journal of Radioanalytical and Nuclear Chemistry, Articles 182, 317–322 (1994). https://doi.org/10.1007/BF02037507

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  • DOI: https://doi.org/10.1007/BF02037507

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