Abstract
An extraction chromatographic procedure for the recovery of fission product palladium has been developed. The method utilizes Cyanex 471X (tri isobutyl phosphine sulfide, TIPS) impregnated on an inert support, Chromosorb-102. Using this method, quantitative uptake of the metal ion is achieved from nitric acid medium. Thiourea as a suitable stripping agent is suggested. Palladium was estimated spectrophotometrically using Arsenazo III as the chromogenic agent and incorporating a modification in the procedure when the aqueous medium contained thiourea.
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