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Determination of 129I in large soil samples after alkaline wet disintegration

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  • Environmental Analysis
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Summary

Large soil samples (up to 500 g) can conveniently be disintegrated by hydrogen peroxide in an utility tank under alkaline conditions to determine subsequently 129I by neutron activation analysis. Interfering elements such as Br are removed already before neutron irradiation to reduce the radiation exposure of the personnel. The precision of the method is <10% (1 RSD). The accuracy was checked by determining 129I also by the combustion method.

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Authors and Affiliations

  1. Institut für Strahlenschutz, GSF-Forschungszentrum für Umwelt und Gesundheit, W-8042, Neuherberg, Federal Republic of Germany

    K. Bunzl & W. Kracke

Authors
  1. K. Bunzl
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  2. W. Kracke
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Bunzl, K., Kracke, W. Determination of 129I in large soil samples after alkaline wet disintegration. Fresenius J Anal Chem 343, 505–508 (1992). https://doi.org/10.1007/BF00322158

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  • DOI: https://doi.org/10.1007/BF00322158

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