Salts of primary, secondary and tertiary amines can be ionic liquidsor be dissolved in organic liquids. Eyal and Canari (1995) suggested these salts could undergo ion exchange and therefore their use as anion exchangers is feasible. However, since no references on this have been found itwill not be treated here. The focus of this brief section
is on quaternary ammonium and phosphonium salts in the newly designed binary extractants