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  • The filter ingredients – activated carbon for creating great-tasting water and additional ion-exchange resin that reduces lead, mercury, copper, cadmium and zinc that might be found in tap water – will be regenerated for alternative use or converted into energy.


  • We haven't tested these products, which use five-stage ion-exchange filters and are designed not to clog, claims the manufacturer.

    Decades later, concerns about U.S. drinking water still exist

  • Gordon Fairclough An ion-exchange resin is used to extract the heparin from the pulp, and the resin and heparin are bathed with salt water and stirred.

    Where a Drug Begins

  • Whey protein—either cross-filtered, ion-exchange, or even better, raw milk or goat milk whey—raises glutathione a detoxifying compound in the body and also boosts serotonin levels and mood, while giving you steady energy.

    The Truth About Beauty

  • The lysate is then filtered and placed on the ion-exchange column.

    Archive 2005-10-01

  • Recently, simplified ion-exchange column chromatography methods (commonly termed a mini-prep) have largely supplanted the cumbersome and time-consuming centrifugation protocol to yield large quantities of endotoxin-free plasmid DNA in a relatively short period of time.

    Archive 2005-10-01

  • Basin Water says its ion-exchange treatment system is installed at wells and can be adjusted to handle varying water flows.

    Water, Water Everywhere

  • These use ion-exchange resins to remove the minerals; they “exchange” the calcium and magnesium ions for sodium ions provided by the resins.


  • Hard water can be softened either city-wide or in the home, usually by one of two methods: precipitating the calcium and magnesium by adding lime, or using an ion-exchange mechanism to replace the calcium and magnesium with sodium.

    On Food and Cooking, The Science and Lore of the Kitchen

  • There was no paper or ion-exchange chromatography, and purines were isolated and separated as copper and silver salts, or picrates, by fractional crystallization.

    Nobel Lecture The Purine Path To Chemotherapy


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