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三座配位構造を持つ新規リン酸系抽出剤を用いた金属イオンの網羅的抽出の検討

Comprehensive extraction of metal ions using novel phosphorus extractant with tridentate structure

杉田 剛; 下条 晃司郎; 岡村 浩之; 長縄 弘親

Sugita, Tsuyoshi; Shimojo, Kojiro; Okamura, Hiroyuki; Naganawa, Hirochika

溶媒抽出の効率は抽出剤に依存するため、高機能な抽出剤の開発が強く求められる。本研究では、三座配位構造を持つ新規リン酸系抽出剤を独自に合成し、56種の金属イオンを対象とした網羅的抽出を行った。その結果、新規抽出剤は、ほとんどの金属イオンに対して従来の抽出剤と比較して極めて高い抽出能を有することが明らかとなった。

Since the solvent extraction efficiency depends on the ability of extractants, the development of high performance extractants has been strongly desired. In this study, a novel organophosphorus extractant having a tridentate structure was originally synthesized, and its extraction performance was exhaustively evaluated by investigating the extraction of 56 metal ions. As a result, the extraction performance of this extractant was extremely higher than that of conventional organophosphorus extractants for almost all of the metal ions.

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