Determination of plutonium isotope ratios in individual uranium-plutonium mixed particles with inductively coupled plasma mass spectrometry

Esaka, Fumitaka ; Suzuki, Daisuke ; Miyamoto, Yutaka ; Magara, Masaaki

An analytical technique was developed by a combination of single particle dissolution, chemical separation of uranium, plutonium and americium with extraction chromatography using UTEVA resins and measurement with inductively coupled plasma mass spectrometry (ICP-MS). This method was applied to plutonium isotope ratio analysis of individual U-Pu particles with U/Pu ratios ranging from 1 to 70. Consequently, $^{240}$ Pu/ $^{239}$ Pu, $^{241}$ Pu/ $^{239}$ Pu and $^{242}$ Pu/ $^{239}$ Pu isotope ratios were successfully determined, while it was impossible to determine $^{238}$ Pu/ $^{239}$ Pu ratios due to the high process blank values on m/z 238.

Language	:	English
Journal	:	Journal of Radioanalytical and Nuclear Chemistry
Volume	:	306
Number	:	2
Pages	:	p.393 - 399
Publication Year/Month	:	2015/11
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Paper URL	:	https://doi.org/10.1007/s10967-015-4113-6
DOI for research data	:
Keywords	:	ウラン-プルトニウム混合粒子; 同位体比; ICP-MS; UTEVA
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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InCites™	:	Percentile:45.92 Category:Chemistry, Analytical
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Registration No. : AA20140590
JAEA Abstracts No. : 44000043
Paper Submission No. : 16741

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