Abstract
A technique for performing a five-group separation of radioelements by cation exchange is described. Suitable counting sources are prepared for each group on a semiautomatic machine. Twelve samples are analyzed simultaneously, and five counting sources for each sample are obtained and counted during an 8- hour day. Total manipulation time for the analyst during this period is about 1.5 hours. Detailed anaiytical results are presented for two samples: a synthetic mixture of the radioelements Sb/sup 125/. Zr, Nb; Cs, Ba/sup 137/; Co; Sr, Y/sup 90/; Ce, Pr/sup 144/; and a 3.6year-old mixture of fission products. The radioelements in the two samples report primarily in the following groups: Group I, Sb, Ru, Zr, Nb; Group II, Cs; Group III, Co; Group IV, Sr; and Group V, Y, rare earth elements. (auth)
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