liquid-ion exchange

https://doi.org/10.1351/goldbook.10215
Liquid-liquid distribution process that involves the transfer of ionic species from the extractant to the aqueous phase in exchange for ions from the aqueous phase.
Source:
PAC, 2016, 88, 517. (Glossary of terms used in extraction (IUPAC Recommendations 2016)) on page 534 [Terms] [Paper]