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Characterization of simulated vitrified highly active waste and its leachates by neutron activation

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Abstract

Neutron activation analysis (NAA) methods have been developed for the simultaneous determinations of multielement concentrations in various types of glass and their leachates. The epithermal instrumental NAA (EINAA) method involves the irradiation of samples in a Cd-shielded site for 2–5 min in order to determine levels of of up to 13 elements through their short-lived nuclides. Another 15 elements can be measured via their long-lived nuclides using conventional instrumental NAA (INAA). Accuracy of the methods have been evaluated by analyzing certified reference materials. The limits of detection for all elements are reported. The methods have been applied to sodium borosilicate and sodium calcium aluminosilicate glass samples in order evaluate their suitability as a host matrix for immobilizing high level radioactive waste.

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Authors and Affiliations

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

    D. L. Moir & A. Chatt

Authors
  1. D. L. Moir
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  2. A. Chatt
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Moir, D.L., Chatt, A. Characterization of simulated vitrified highly active waste and its leachates by neutron activation. Journal of Radioanalytical and Nuclear Chemistry, Articles 116, 389–400 (1987). https://doi.org/10.1007/BF02035783

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