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ion exchanger
chemistry
Learn about this topic in these articles:
ion-exchange chromatography
- In chromatography: Subsequent developments
Ion exchangers are natural substances—for example, certain clays—or deliberately synthesized resins containing positive ions (cation exchangers) or negative ions (anion exchangers) that exchange with those ions in solution having a greater affinity for the exchanger. This selective affinity of the solid is called ion, or…
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ion-exchange procedures
- In ion-exchange reaction: Ion-exchange procedures
Only rarely are ion exchangers used in stepwise procedures, in which the resin is mixed into a container of solution and then removed for further treatment. Much more frequently the exchanger is packed into a tube or column through which the solution is made to flow. The column…
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