1962•OSTI OAI (U.S. Department of Energy Office of Scientific and Technical Information)Requires access
PREPARATION OF LONG-LIFE Bi$sup 21$$sup 0$
N.B. Abel'skaya, E. G. Gracheva, Z.V. Ershova, V. S. Zverev, V.V. Maslovskaya, L. Ya. Rudaya
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Abstract
Irradiated metallic Bi was radiochemically separated from Po and other admixtures. The content of Po after 3 months of Bi exposure was 3 x 10/sup -2/ C/ g and the total BETA activity was ~5 x 10/sup -7/ C/g. Further purifications eliminated the BETA -active admixture of Po. The alpha activity of the Bi solution and of the accumulated Bi/sup 210/ was 1 x 10/sup -8/ C/g. The specific alpha activity of the prepared and enriched Bi/sup 210/ specimen was increased to 7 x 10/sup -6/ C/g. (R.V.J.)