Ion-exchange meaning

A reversible chemical reaction between an insoluble solid and a solution during which ions may be interchanged, used in water softening and in the separation of radioactive isotopes.
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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.
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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. &diamf3; Cation exchange is the exchange of positively charged ions. &diamf3; Anion exchange is the exchange of negatively charged ions.
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(chemistry) The reversible process whereby ions are exchanged between a solution and a solid or gel; cation exchange is the process used in a water softener.
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