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ion-exchange resin

   Also found in: Encyclopedia, Wikipedia 0.03 sec.
ion-exchange resin
n.
An insoluble polymer containing charged groups or ions that can be exchanged for charged groups or ions present in a surrounding solution.
ion-exchange resin
a high-molecular-weight, insoluble polymer of simple organic compounds with the ability to exchange its attached ions for other ions in the surrounding medium. They are classified as cation- or anion-exchange resins, depending on which ions the resin exchanges. Cation-exchange resins are used to restrict sodium absorption in edematous states; anion-exchange resins are used as antacids in the treatment of ulcers. Ion-exchange resins may also be classified as carboxylic, sulfonic, etc., depending on the nature of the active groups. Used in biochemical extractions and purifications.
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But Shapley says the catalyst could be used to remove the perchlorate from the brine left over after the regeneration of used ion-exchange resins.
Catalyst cleans up by Science News
They incorporate Milliken Chemical's inorganic AlphaSan antimicrobial, a zirconium phosphate-based ceramic ion-exchange resin containing silver.
Biocide concentrates for a wide range of plastics by Plastics Technology
Microcystin (by ELISA) and cylindrospermopsin (by LC/MS/MS) content of carbon, ion-exchange resin, and sand filters from dialysis centers A and B in Caruaru, Brazil.
Human Fatalities from Cyanobacteria: Chemical and Biological Evidence ... by Eaglesham, Geoff K. / Environmental Health Perspectives
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