Abstract:Sorption selectivity of a number of REE ions (Pr3+, Nd3+, Sm3+, Yb3+) was studied with the help of the KB-2E macroreticular carboxylic cation exchanger with a different content of a crosslinking agent. Selectivity was weakly dependent on the degree of crosslinking of the cation exchanger and concentration of the sorbed metal ion, which could be explained by the macroreticular structure of the cation exchanger. An increase in sorption selectivity of heavier REEs (Yb3+) correlated with a decrease in their crysta… Show more
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