Combining a lipophilic phenanthroline carboxamide and a hydrophilic diglycolamide to increase the separation factors of adjacent light lanthanides

Simonnet, M.; 佐々木 祐二; 矢板 毅

Solvent Extraction and Ion Exchange, 41(7), p.857 - 867, 2023/00

https://doi.org/10.1080/07366299.2023.2248189

The combination of two neutral CHON reagents, a lipophilic phenanthroline dicarboxamide and a hydrophilic diglycolamide resulted in a synergistic separation of adjacent light lanthanides in nitrate medium as they present reversed extraction trends. Separation factors higher than 7 were obtained for the pair Pr/Nd, which is one of the highest values reported in the literature.