The Determination of uranium ratios in individual environmental particles

Tomita, Ryohei ; Esaka, Fumitaka ; Miyamoto, Yutaka

In the previous study, we developed a combination method of particle manipulation and secondary ion mass spectrometry (SIMS) for removing the interferences from other elements in other particles. Since the particles were selected randomly and manipulated, it caused the problem not to cover the range of $^{235}$ U/ $^{238}$ U isotope ratio in the sample. In this study, we improved the procedure of analyzing uranium isotope ratios in individual particles by SIMS to cover the range of $^{235}$ U/ $^{238}$ U in the sample.

Language	:	Japanese
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Meeting title	:	2017日本放射化学会年会・第61回放射化学討論会
Held date	:	2017/09
Location (city)	:	つくば
Location (country)	:	日本
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Keywords	:	保障措置分析; ウラン同位体比; 微粒子分析
Research Facility	:	CLEAR(高度環境分析研究棟)
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Article of JAEA R&D Review	:
Cooperating Institute	:	原子力規制庁

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Registration No. : BB20170745
JAEA Abstracts No. :
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