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Information × Registration Number 0299U000549, 0198U008020 , R & D reports Title Research of isotope composition of uranium, dispersed by the accident at the Chernobyl NPP popup.stage_title Head Bondarenko G.M., Registration Date 19-04-1999 Organization The State Scientific Centre of Environmental Radiogeochemistry popup.description2 The enrichment by an isotope U-235 up to 10% was marked in 1986-1987 years in the experiments on leaching of uranium from sprayed fuel. Now, 12 years after Chernobyl NPP accident isotope content of U-235 did not exceed 1%. Some enrichment by an isotope U-235 relative to the average composition was marked only in the first fractions in sequential leaching of the fuel fragment size of 2mm. The hot particles saved ability to fractionation of isotopes of uranium during the first years after the accident. Product Description popup.authors popup.nrat_date 2020-04-03 Close