Mass spectrometry determination of the isotopic composition of uranium hexafluoride

被引:0
作者
A. V. Saprygin
O. V. Elistratov
V. A. Kalashnikov
I. S. Kulik
I. A. Rodichev
机构
[1] JSC Ural Electrochemical Integrated Plant,Analytical Center
[2] Ural Federal University named after the First President of Russia B.N. Yeltsin,undefined
来源
Journal of Analytical Chemistry | 2011年 / 66卷
关键词
gas multiple collector mass spectrometer; uranium hexafluoride; isotopic composition; absolute method of measurements; isotope mass discrimination; memory effect;
D O I
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学科分类号
摘要
An absolute method for the determination of isotopic composition of substances in multiple collector mass spectrometers was proposed. The detailed analysi of terms used in the method for the determination of the isotopic composition of uranium hexafluoride was given. Parabolic nature of occurring constant measurement error, obtained in theory, was proved by test data for 235U within a wide range of its concentrations. In order to use the method of measurements in practice, the registration of constant error, through linear discriminatory relations Δci(ci), preliminary determined using uranium hexafluoride with standard isotopic composition, was proposed. The advantages of the developed method in comparison with the traditional analysis procedures, applied at present, were considered.
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页码:1385 / 1391
页数:6
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