Chemical state analysis of individual uranium particles with electron backscatter diffraction

Esaka, Fumitaka ; Yomogida, Takumi ; Tomita, Ryohei ; Miyamoto, Yutaka

Chemical state analysis is important to elucidate the origin of particles and its effect on the environment. However, the analysis is difficult because the amounts of elements in individual particles are considerably small. In the present study, electron backscatter diffraction (EBSD) is applied to the chemical state analysis of individual uranium particles. As a result, uranium particles with diameters of 1m were able to be measured and clear electron backscatter patterns were observed. In addition, the patterns of UO $_{2}$ particles were distinguished from those of U $_{3}$ O $_{8}$ particles.

Language	:	Japanese
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Meeting title	:	日本分析化学会第66年会
Held date	:	2017/09
Location (city)	:	東京
Location (country)	:	日本
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Keywords	:	ウラン; 電子線回折; 微粒子
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. : BB20170510
JAEA Abstracts No. :
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