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Sorption of 131I− and 131IO −3 from Aqueous Solutions on Porous Inorganic Sorbents Modified with d-Element Ammoniates at 25°C

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Abstract

Sorption of 131I− and 131IO −3 from aqueous solutions on porous inorganic sorbents modified with d elements is studied at 25°C. The sorbents modified with Ag, Zn, Ni, Cu, and Co ammoniates are characterized by low distribution coefficients of 131I− and 131IO −3 (K d <150 ml g−1 at V/m = 1000). Calcination of the sorbents modified with Ag, Cu, and Zn ammoniates at a temperature above 250°C affects the chemical state of the metals in the sorbent matrix, which is accompanied by slight increase in K d of 131I− and 131IO −3 as compared to as-prepared samples. With the γ-Al2O3-based sorbents modified with Ni or Cu, K d of 131I− and 131IO −3 is well comparable with that for the Ag-modified sorbents based on MSKG silica gel.

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Authors and Affiliations

  1. Institute of Physical Chemistry, Russian Academy of Sciences, Moscow, Russia

    S. A. Kulyukhin, L. V. Mizina, E. P. Krasavina, I. A. Rumer, N. A. Konovalova, N. V. Tanashchuk & E. N. Bogachev

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  1. S. A. Kulyukhin
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  2. L. V. Mizina
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  3. E. P. Krasavina
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  4. I. A. Rumer
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  5. N. A. Konovalova
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  6. N. V. Tanashchuk
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  7. E. N. Bogachev
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__________

Translated from Radiokhimiya, Vol. 47, No. 3, 2005, pp. 265–268.

Original Russian Text Copyright © 2005 by Kulyukhin, Mizina, Krasavina, Rumer, Konovalova, Tanashchuk, Bogachev.

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Kulyukhin, S.A., Mizina, L.V., Krasavina, E.P. et al. Sorption of 131I− and 131IO −3 from Aqueous Solutions on Porous Inorganic Sorbents Modified with d-Element Ammoniates at 25°C. Radiochemistry 47, 292–295 (2005). https://doi.org/10.1007/s11137-005-0090-x

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  • DOI: https://doi.org/10.1007/s11137-005-0090-x

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