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Combined gamma and passive X-ray fluorescent measurement of235U enrichment and U-total concentration

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Abstract

A new combined single step gamma-spectrometric and passive X-ray fluorescent measurement method and a corresponding procedure have been developed. Only one gamma-X-ray spectrometric measurement is required in order to determine both235U enrichment and U-total concentration of the measured sample. In this way, if the sample is homogeneous and weighted, the total quantities of U-total and235U can be determined. The main advantages of this approach over the enrichment measurement method used are: (1) the U-concentration of the measured material is determined; (2) the235U enrichment is determined more reliably and accurately. The matrix of the material, which influences the enrichment measurement, is also determined and taken into account.

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Authors and Affiliations

  1. International Atomic Energy Agency, Wagramerstrasse 5, P.O. Box 100, A-1400, Vienna, (Austria)

    T. Dragnev, V. Rukhlo, D. Rundquist & E. Szabo

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  1. T. Dragnev
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  2. V. Rukhlo
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  3. D. Rundquist
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  4. E. Szabo
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Dragnev, T., Rukhlo, V., Rundquist, D. et al. Combined gamma and passive X-ray fluorescent measurement of235U enrichment and U-total concentration. Journal of Radioanalytical and Nuclear Chemistry, Articles 152, 161–173 (1991). https://doi.org/10.1007/BF02042150

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  • DOI: https://doi.org/10.1007/BF02042150

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