Feasibility study of americium determination method in plutonium particles using alpha spectrometry

Yasuda, Kenichiro ; Suzuki, Daisuke ; Kanazawa, Kazuhito; Miyamoto, Yutaka ; Esaka, Fumitaka ; Magara, Masaaki

We are applying a screening technique with alpha spectrometry to the analysis of particles containing nuclear materials in swipe samples. In this presentation, individual plutonium particles with known purification dates prepared from a standard reference material (NBS SRM947) were measured with alpha spectrometry. The obtained $frac{^{238}Pu+^{241}Am}{^{(239+240)}Pu}$ activity ratios for the particles with the diameters of more than 1 micrometer were consistent with the reference values within the uncertainties. These results indicate that alpha spectrometry can be applied to the quantitative analysis of $^{241}$ Am in individual plutonium particles.

Language	:	Japanese
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Meeting title	:	2015日本放射化学会年会・第59回放射化学討論会
Held date	:	2015/09
Location (city)	:	仙台
Location (country)	:	日本
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Keywords	:	no keyword
Research Facility	:	CLEAR(高度環境分析研究棟)
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Cooperating Institute	:	原子力規制庁

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Registration No. : BB20151412
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