Abstract
The adsorption on Dowex-1 anion exchange resin of Sc(III) and V(IV) tracers has been studied in the presence of low concentrations of oxalate, citrate, fluoride, and carbonate ions. V(IV) forms strongly adsorbed complex anions with each of these reagents, as does Sc(III) with the first two. Both tracers are strongly adsorbed from oxalic acid solution, and their oxalate complexes are selectively destroyed by the addition of hydrochloric acid. These data have been used as the basis of a method for the anion exchange separation of Sc(III), V(IV), and Ti(IV) in oxalic acid-hydrochloric acid mixtures.
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