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UDK: 621.039.743

2017. - V. 31. - N 10(191). - P. 16-18

E.A. Tyupina, A.V. Makarov, V.O. Zharkova, Y.U. Ershova, V.V. Krupskaya,

SORPTION OF Sr-90 AND Cs-137 ON MONOCATIONIC SPECIES OF TAGANSKY BENTONITE

The main feature of bentonite clays is a high sorption ability to various radionuclides. Sorption of 90Sr and 137Cs by natural and mono-cationic (Na, Mg, Ca) species of Taganskoe (Kazakhstan) bentonite clays is reported. The sorption index (S) for 90Sr on natural as well as Na-, Mg-bentonite species samples exceeds 95%, for the Ca-form this index is lower (84%). The sorption index with respect to 137Cs is up to 80% for the natural clay and Mg-, Ca-species samples, whereas it is about 73% for the Na-form.

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СОРБЦИЯ Sr-90 И Cs-137 НА МОНОКАТИОННЫХ ФОРМАХ БЕНТОНИТА ТАГАНСКОГО МЕСТОРОЖДЕНИЯ

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Keywords

bentonite   cesium   sorption   strontium   Taganskoe deposit   бентонит   сорбция   стронций   Таганское месторождение   цезий  


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