a chemical process whereby ions are reversibly transferred between an insoluble solid, such as a resin, and a fluid mixture, usually an aqueous solution: widely used in water softening, in recovering metals from waste solutions, etc.
Ion exchange. (n.d.). In YourDictionary. Retrieved from https://www.yourdictionary.com/ION-EXCHANGE
A reversible chemical reaction between two substances (usually a relatively insoluble solid and a solution) during which ions of equal charge may be interchanged. Ion exchange is used in water softening and purification, chemical analysis, the separation of radioactive isotopes, and kidney dialysis.