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Characterization of novel adsorbents for radiostrontium reduction in foods

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Abstract

Distribution coefficients, pH dependence, isotherms, kinetics and breakthrough curves of Sr binding have been measured on several types of adsorbents (carbons modified with titanium silicate, crystalline titanium silicate, mixed titanium-manganese oxide, and synthetic zeolites A4 and P) from different water solutions. It is concluded that acid-base properties of the adsorbent is very important for Sr binding. Titanium silicate based adsorbents had reduced chemical stability in an artificial food fluid below pH 2, the mixed titanium manganese oxide below pH 6, zeolite A4 below pH 5 and zeolite P below pH 7. Consideration is given to the feasibility of the adsorbents for food decontamination.

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Author notes

  1. H. S. Hansen

    Present address: Department of Resource Sciences, Nord-Trøndelag College, Box 145, N-7701, Steinkjer, Norway

Authors and Affiliations

  1. Institute for Sorption and Problems of Endoecology, Naumov St. 13, 252164, Kiev, Ukraine

    A. M. Puziy

  2. MATFORSK-Norwegian Food Research Institute, Osloveien 1, N-1430, As, Norway

    G. B. Bengtsson

  3. Department of Animal Science, Agricultural University of Norway, N-1432, As, Norway

    H. S. Hansen

Authors
  1. A. M. Puziy
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  2. G. B. Bengtsson
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  3. H. S. Hansen
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Puziy, A.M., Bengtsson, G.B. & Hansen, H.S. Characterization of novel adsorbents for radiostrontium reduction in foods. J Radioanal Nucl Chem 240, 101–107 (1999). https://doi.org/10.1007/BF02349142

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  • DOI: https://doi.org/10.1007/BF02349142

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