Abstract
A method for the ready separation of trace amounts of uranium from large excess of bismuth allows for subsequnnt determinatton of uranium. At pR between 1.0 and 1.5 the sulfate complex of uranium(VI) is quantitatively retained by a quaternary amine-type anion exchange resin while the catlonic bismuth ion passes through the column. Uranium cam then be eluted for analysis by dilute perchloric acid. The method can be used for the separation of microgram quantities of uranium from bismuth, permltting the routine determination of uranium. (auth)
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