Sorption of strontium ions from solutions onto calcium and magnesium phosphates |
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| Authors: | A. I. Ivanets I. L. Shashkova N. V. Kitikova N. V. Drozdova N. A. Saprunova A. V. Radkevich L. V. Kul’bitskaya |
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| Affiliation: | 1. Institute of General and Inorganic Chemistry, National Academy of Sciences of Belarus, ul. Surganova 9, block 1, Minsk, 220072, Belarus
2. Joint Institute for Power Engineering and Nuclear Research-Sosny, National Academy of Sciences of Belarus, ul. Akad. Krasina 99, Minsk, 220109, Belarus
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| Abstract: | A comparative study of the uptake of Sr ions from aqueous solutions with calcium and magnesium phosphates of various chemical compositions was made. Calcium and magnesium phosphates in the concentration range 10–5000 mg L?1 absorb up to 280 mg g?1 Sr, with the ability of magnesium phosphates to take up Sr ions exceeding that of calcium phosphates by an order of magnitude. The degree of decontamination of solutions from 90Sr with the magnesium-containing samples exceeds 80%, and the distribution coefficient is (4.7–5.4) × 103 cm3 g?1. |
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