Detailed analysis of individual uranium particles in environmental sample by SIMS and pre-screening measurement introduced into the analysis procedure

Tomita, Ryohei ; Esaka, Fumitaka ; Miyamoto, Yutaka

In the previous study, we developed a combination method of individual uranium particle manipulation in scanning electron microscope (SEM) 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 introduced pre-screening measurement into 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	:	日本分析化学会関東支部第14回茨城地区分析技術交流会
Held date	:	2017/12
Location (city)	:	東海
Location (country)	:	日本
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Keywords	:	保障措置分析
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. : BB20171444
JAEA Abstracts No. :
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