Abstract

Uranium is separated from plutonium by adsorption on an anion-exchange resin from a concentrated hydrochloric acid solution and is eluted from the resin, collected on a disc of cation-exchange paper, and determined by X-ray fluorescence. The lower limit of detection is 2μg of uranium, and 50μg may be determined with a recovery of 98% and a standard deviation of 3.2μg. In plutonium metal, 19ppm of uranium were found, with a standard deviation of 2 ppm (6 results).

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