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Leaching behavior of137Cs in cement

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Abstract

To assess the safety of disposal of a radioactive waste-cement composite, the leaching of137Cs from a waste composite into a surrounding fluid has been studied. Leaching tests were carried out in accordance with a method recommended by IAEA.1 The leachability was measured as a function of bentonite clay to cement ratio. The fraction of137-Cs leached from a specimen of Portland cement is 0.03–0.13 at a leaching time of 400 d. Results presented in this paper are examples of data obtained in a 10 y mortar and concrete testing project, which will influence the design of the engineered trench system for a future Yugoslav radioactive waste storage center.2,3

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Authors and Affiliations

  1. “Boris Kidrič” Institute of Nuclear Sciences-Vinča, P. O. Box 522, 11001, Belgrade, Yugoslavia

    I. Plećaš, A Perić, J. Drljača & A. Kostadinović

Authors
  1. I. Plećaš
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  2. A Perić
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  3. J. Drljača
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  4. A. Kostadinović
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Plećaš, I., Perić, A., Drljača, J. et al. Leaching behavior of137Cs in cement. Journal of Radioanalytical and Nuclear Chemistry Letters 154, 309–317 (1991). https://doi.org/10.1007/BF02165487

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  • DOI: https://doi.org/10.1007/BF02165487

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