Abstract
Synergistic extraction of long-lived fission products 137Cs+, 85Sr2+, and 152Eu3+ from dilute HNO3 into dichloroethane with ligands derived from p-(1-adamantyl)thiacalix[4]arene in mixtures with chlorinated cobalt dicarbollide was studied. An extraordinary synergistic effect is observed in extraction of europium with p-(1-adamantyl)thiacalix[4]arene tetraacetate derivative. Amides of p-(1-adamantyl)thiacalix-[4]arene tetracarboxylic acid are selective toward europium, although their extraction ability toward the examined ions is lower than that of the classical extractant, p-(1-adamantyl)calix[4]arene tetracarboxylic acid diethylamide.
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Original Russian Text © V.V. Kovalev, E.V. Khomich, E.A. Shokova, V.A. Babain, M.Yu. Alyapyshev, 2008, published in Zhurnal Obshchei Khimii, 2008, Vol. 78, No. 1, pp. 22–28.
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Kovalev, V.V., Khomich, E.V., Shokova, E.A. et al. Synergistic extraction of cesium, strontium, and europium with adamantylated thiacalix[4]arenes in the presence of chlorinated cobalt dicarbollide. Russ J Gen Chem 78, 19–25 (2008). https://doi.org/10.1134/S1070363208010040
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DOI: https://doi.org/10.1134/S1070363208010040