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A RAPID ION EXCHANGE METHOD FOR THE CONCENTRATION OF COBALT FROM SEAWATER
NAVAL RADIOLOGICAL DEFENSE LAB SAN FRANCISCO CA
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A chelating ion-exchange method was devised for the quantitative extraction of cobalt from relatively large volumes of seawater. This method was needed for the study of seawater corrosion of cobalt-based, SNAP-fuel encapsulant alloys. The method consists in passing the acidified seawater sample through a column of Chelex-100 ion-exchange resin, then eluting the cobalt from the column with 4N hydrochloric acid.
APPROVED FOR PUBLIC RELEASE