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A very simple procedure for separation of carrier-free 144Pr and continuous milking of 144Pr from 144Ce in a alumina column has been developed. Cerous cerium was oxidized and adsorbed as ceric iodate in the column, and the praseodymium was eluted out unadsorbed. Study of the β-decay half-life of 144Pr proved that the separated product is of high radiochemical purity. The separation process is rapid and the yield is quantitative.
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Bhattacharyya et al. (1976) studied this question.
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