Abstract

The radiochemical separation of cobalt by an isotopic exchange technique has been evaluated for an aqueous 0.5 M oxalic acid system. The optimised procedure requires 6 min for the entire separation and gives cobalt yields of more than 83%. The specificity of this method was checked with the available tracers of 11 different elements. Mineral acids and aqueous ammonia interfere in the separation. This procedure may find useful applications in the separation of short-lived isotopes of cobalt and is adaptable to remote handling.

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