ion exchange Hear it!

ion exchange definition

ion exchange

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, recovery of metals from waste solutions, etc.

Webster's New World College Dictionary Copyright © 2009 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

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