●原子力技術で実現！白金族元素を「イオンのペア」で抽出・分離(横浜国立大学)
　https://www.ynu.ac.jp/hus/koho/34451/detail.html
　https://www.ynu.ac.jp/hus/koho/34451/34_34451_1_1_251218114434.pdf
　Mutual separation of Ru, Rh, and Pd via reflux-assisted extraction and reverse-extraction using ion-pair and solvation with S- and amino-N-donor reagents
　　https://www.sciencedirect.com/science/article/abs/pii/S0167732225021919?via%3Dihub