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Epithermal neutron activation determination of uranium in environmental waters by neptunium-239 after preconcentration on activated carbon

  • Nuclear Methods in Environmental Science
  • Published:
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Abstract

A method for the analysis of uranium in natural waters based on preconcentration of uranium on activated carbon, irradiation with epithermal neutrons, and a high resolution gamma-spectrometry of239Np was developed. The chemical yield of uranium preconcentration is determined by treating a parallel sample to which a known uranium quantity is added. The lower limit of determination amounts to 1.4·10−8 g uranium per liter. The possible interfering in gamma-spectrometry of neptunium-239 was discussed too. The applicability of the proposed method is shown by the analysis of uranium in sea-, river-, geothermal-, drinking- and rain-water samples.

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Authors and Affiliations

  1. Radiochemical Laboratory, Faculty of Chemistry, University of Sofia, 1126, Sofia, (Bulgaria)

    I. Kuleff & K. N. Kostadinov

Authors
  1. I. Kuleff
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  2. K. N. Kostadinov
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Kuleff, I., Kostadinov, K.N. Epithermal neutron activation determination of uranium in environmental waters by neptunium-239 after preconcentration on activated carbon. J. Radioanal. Chem. 46, 365–371 (1978). https://doi.org/10.1007/BF02519902

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  • DOI: https://doi.org/10.1007/BF02519902

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