Uranium isotopes in Hiroshima "black rain" soil. | Zendy

Jun Takada | Zendy; Masaharu Hoshi | Zendy; SHOZOH SAWADA | Zendy; M. Sakanoue | Zendy

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Uranium isotopes in Hiroshima "black rain" soil.

Author(s) -

Jun Takada,

Masaharu Hoshi,

SHOZOH SAWADA,

M. Sakanoue

Publication year - 1983

Publication title -

journal of radiation research

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.643

H-Index - 60

eISSN - 1349-9157

pISSN - 0449-3060

DOI - 10.1269/jrr.24.229

Subject(s) - uranium , nuclear fission product , isotope , radioactive fallout , radiochemistry , isotopes of uranium , fission products , environmental science , radionuclide , chemistry , nuclear physics , physics

Uranium isotopes were studied to clarify the fallout from the Hiroshima atomic bomb. The 234U/238U activity ratios of uranium leached from the soil in the Hiroshima fallout area were significantly higher than those of other areas according to alpha ray spectrometry. The correlation of specific activity of the fission product 137Cs and the 234U/238U activity ratios was studied. Two different correlations were established inside and outside the fallout area. The results of this study suggest that manifestations of fallout from the Hiroshima atomic bomb are still detectable in the “black rain” area.

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