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Report No.

Development of acidic diamide-type ligand and extraction performance for matal ions

Shimojo, Kojiro; Sugita, Tsuyoshi; Yabe, Makoto*; Okamura, Hiroyuki; Ohashi, Akira*; Naganawa, Hirochika

Solvent extraction is an effective method for the separation and purification of metal ions. The extractant plays a key role in the extraction efficiency and the separation operation. In this study, we have synthesized a novel acidic diamide-type extractant and have comprehensively investigated the extraction of 56 metal ions. It was found that the novel extractant provides excellent extraction performance and separation ability for various rare metal ions such as Sc(III), In(III), Ga(III), and Ni(II) compared with conventional extractants.



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