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Ion beam induced luminescence and particle induced X-ray emission analyses of europium complexes in di(2-ethylhexyl)phosphoric acid solvent

りん酸ジ(2-エチルヘキシル)溶媒のユウロピウム錯体の荷電粒子誘起発光及び粒子線励起X線分析

中原 将海; 山縣 諒平*; 石井 保行*; 江夏 昌志*

Nakahara, Masaumi; Yamagata, Ryohei*; Ishii, Yasuyuki*; Koka, Masashi*

高レベル放射性廃液からのマイナーアクチニドの回収プロセスにおいて、有機溶媒から効率的に逆抽出するために錯体構造解析に係る研究を実施している。本研究では、マイナーアクチニドの模擬物質としてEuを使用し、Eu錯体の試料を調製した。粒子線励起X線分析により有機溶媒中のEu錯体の組成を確認した。加えて荷電粒子誘起発光分析により錯体構造解析に向けた基礎データを取得した。

In the minor actinides recovery process from high-level liquid waste, analysis for complex structure in organic solvent has been studied to strip minor actinides from a loaded solvent efficiently. In this study, Eu was used as a simulated material of minor actinides, and organic solvents containing Eu complexes were prepared. The composition of Eu complexes in organic solvents was confirmed by particle induced X-ray emission. In addition, the ion beam induced luminescence was measured, and the basic data for the complex structure were obtained.

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