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Esaka, Fumitaka; Suzuki, Daisuke; Miyamoto, Yutaka; Magara, Masaaki
Journal of Radioanalytical and Nuclear Chemistry, 306(2), p.393 - 399, 2015/11
Times Cited Count:6 Percentile:45.66(Chemistry, Analytical)An analytical technique was developed by a combination of single particle dissolution, chemical separation of uranium, plutonium and americium with extraction chromatography using UTEVA resins and measurement with inductively coupled plasma mass spectrometry (ICP-MS). This method was applied to plutonium isotope ratio analysis of individual U-Pu particles with U/Pu ratios ranging from 1 to 70. Consequently, Pu/Pu, Pu/Pu and Pu/Pu isotope ratios were successfully determined, while it was impossible to determine Pu/Pu ratios due to the high process blank values on m/z 238.