JIANG Jun-qing, GAO Yue-hua, WANG Nan-jie, JIANG Guo-du. Determination of Isotopic Composition of Uranium and Plutonium in Simulated 1AF Feed Solution by TIMS[J]. Journal of Nuclear and Radiochemistry, 2012, 34(5): 305-309.
    Citation: JIANG Jun-qing, GAO Yue-hua, WANG Nan-jie, JIANG Guo-du. Determination of Isotopic Composition of Uranium and Plutonium in Simulated 1AF Feed Solution by TIMS[J]. Journal of Nuclear and Radiochemistry, 2012, 34(5): 305-309.

    Determination of Isotopic Composition of Uranium and Plutonium in Simulated 1AF Feed Solution by TIMS

    • The precise determination of the uranium and plutonium isotopic composition in the simulated 1AF feed solution by solvent extraction/ion exchange separation-thermal ionization mass spectroscopy(TIMS) was studied in this paper. The precise determination of uranium and plutonium isotopic composition was realized by optimization of chemical separations, and minimization of possible interferences, and proper selection of instrument parameters. Under the selected conditions, the uranium and plutonium isotopic composition in the 1AF feed solution were accurately determined. The relative standard deviations of the main isotopes 235U and 239Pu are less than 0.05%.
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