The Analysis of 235U Isotope Ratio by A Mass Spectrometer for UF6

YUUKOU NAGATORO; HIROMI TOKOI; KATSUMICHI SUZUKI; EISKE MITANI; NORIHIKO OZAKI; SEIJI TAKEDA

doi:10.5702/massspec1953.23.119

Journal of the Mass Spectrometry Society of Japan

Online ISSN : 1880-4225
Print ISSN : 1340-8097
ISSN-L : 1340-8097

The Analysis of ²³⁵U Isotope Ratio by A Mass Spectrometer for UF₆

YUUKOU NAGATORO, HIROMI TOKOI, KATSUMICHI SUZUKI, EISKE MITANI, NORIHIKO OZAKI, SEIJI TAKEDA

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1975 Volume 23 Issue 2 Pages 119-125

DOI https://doi.org/10.5702/massspec1953.23.119

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Abstract

The mass spectrometer for the precise determination of ²³⁵isotope ratio on UF₆has been developed.The resolving power of this apparatus is 330. The UF⁺₅ ion currents are measured with the accuracy of less than 0.1% by controlling the room temperture and humidity and by shielding the preamplifier. The isotope ratios of ²³⁵U are determined with the relative error of less than 0.1% by using the interpolative method. The time required for measuring one sample is less than15minutes.

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