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LIU YONGFU FU SHUCHUN ZHU DAOHONG(China Institute of Atomic Energy. P. O. Box 275, Beijing. 102413). DETERMINATION OF URANIUM IN HIGH-LEVEL LIQUID WASTE(HLLW) BY ISOTOPE DILUTION MASS SPECTROMETRY[J]. Atomic Energy Science and Technology, 1992, 26(5): 36-36. DOI: 10.7538/yzk.1992.26.05.0036
Citation: LIU YONGFU FU SHUCHUN ZHU DAOHONG(China Institute of Atomic Energy. P. O. Box 275, Beijing. 102413). DETERMINATION OF URANIUM IN HIGH-LEVEL LIQUID WASTE(HLLW) BY ISOTOPE DILUTION MASS SPECTROMETRY[J]. Atomic Energy Science and Technology, 1992, 26(5): 36-36. DOI: 10.7538/yzk.1992.26.05.0036
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DETERMINATION OF URANIUM IN HIGH-LEVEL LIQUID WASTE(HLLW) BY ISOTOPE DILUTION MASS SPECTROMETRY

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  • The detcrmination of uranium in HLLW by doublc isotope dilution mass spectrometry is described. Uranium is separated from HLLW by TBP/KeI-F reversed-phase partition chromatography. The spikes are enriched in ~(235)U and ~(238)U. respectively. The relative standard error is better than 0.1％ for the determination of uranium isotope abundance ratio by mass spectrometry. The blank value of whole procedure is 3×10 ~9g and the detectable limit of the method is 1×10~(-9)g for uranium. The uncertainty of the determination is 2％ for uranium content in HLLW.
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