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Analysis of U in the samples containing a significant proportion of 232U and high concentration of Th is of great concern. Transmutation of Th in the nuclear power reactor produces a notable quantity of 232U (half life 68.9 years) along with fissile isotope 233U. The decay series of 232U is initiated with 228Th (half life 1.9 year) and it is followed by several short lived α emitting progenies, 224...
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