Specific activities of radioactive elements from fission product mixtures |
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Authors: | Y Koda |
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Institution: | (1) Government Industrial Research Institute, Nagoya Hirate-machi, Kita-ku, Nagoya, (Japan) |
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Abstract: | Specific activities of radioactive elements at the time of chemical separation from fission product mixtures produced by thermal
neutron fission of235U were computed byBateman's and other equations on an electronic computer. Computations were made for two fission times: fission was assumed to be complete
in a few minutes in one case, and over a period of a year in the other case. It was also assumed that each element was separated
instantly after allowing the fission products to decay for 1∼10 000 000 hrs (1 140 years). The computations were applied to
12 important elements: Ru, Zr, Nb, Cs, Sr, Pm, Tc, Ba, La, Ce, Kr and Y. Results are given as a diagram for each element.
The diagrams are intended to be helpful in the chemical processing of a large quantity of fission products, and industrial
or tracer application of these elements. |
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Keywords: | |
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