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放射光X線吸収分光法によるアクチノイドの溶液内化学種の解明

Speciation and structural study of actinides in solution by synchrotron-based X-ray absorption spectroscopy

池田 篤史  

Ikeda, Atsushi

本研究では、アクチノイド溶存錯体の直接構造同定法として放射光X線吸収分光(X-ray absorption spectroscopy: XAS)法に着目し、各種溶液中でのアクチノイドの溶存錯体構造をさまざまな酸化状態で同定・比較することで、アクチノイドの水溶液中での錯体化学特性に関する系統的かつ包括的な知見を導出した。

In this study, the structural identity of An species with different oxidation states has been determined in various aqueous solutions by means of synchrotron-based X-ray absorption spectroscopy. The comparison of the obtained results with other reported data provides us several comprehensive trends of the chemical properties of An in aqueous solution.

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