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ion-exchange resin

ion‐exchange resin An organic compound that will adsorb ions under some conditions and release them under others. The best‐known example is in water‐softening, where calcium ions are removed from the water by binding to the resin, displacing sodium ions. The resin is then regenerated by washing with a concentrated solution of salt, when the sodium ions displace the calcium ions. Ion‐exchange resins are used for purification of chemicals, metal recovery, and a variety of analytical techniques.

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"ion-exchange resin." A Dictionary of Food and Nutrition. . Encyclopedia.com. 19 Oct. 2017 <http://www.encyclopedia.com>.

"ion-exchange resin." A Dictionary of Food and Nutrition. . Encyclopedia.com. (October 19, 2017). http://www.encyclopedia.com/education/dictionaries-thesauruses-pictures-and-press-releases/ion-exchange-resin

"ion-exchange resin." A Dictionary of Food and Nutrition. . Retrieved October 19, 2017 from Encyclopedia.com: http://www.encyclopedia.com/education/dictionaries-thesauruses-pictures-and-press-releases/ion-exchange-resin

resins, ion-exchange

resins, ion‐exchange See ion‐exchange resins.

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"resins, ion-exchange." A Dictionary of Food and Nutrition. . Encyclopedia.com. 19 Oct. 2017 <http://www.encyclopedia.com>.

"resins, ion-exchange." A Dictionary of Food and Nutrition. . Encyclopedia.com. (October 19, 2017). http://www.encyclopedia.com/education/dictionaries-thesauruses-pictures-and-press-releases/resins-ion-exchange

"resins, ion-exchange." A Dictionary of Food and Nutrition. . Retrieved October 19, 2017 from Encyclopedia.com: http://www.encyclopedia.com/education/dictionaries-thesauruses-pictures-and-press-releases/resins-ion-exchange