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Xun Xing Loh1, Malladi Sairam, Joachim Hans Georg Steinke

  • 1Department of Chemical Engineering and Chemical Technology, Imperial College London, Exhibition Road, London, UK.

Chemical Communications (Cambridge, England)
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Ion exchange chromatography separates charged molecules from a solution by reversibly exchanging them with mobile, or 'active', ions associated with the oppositely charged stationary phase. This method can be used to separate ions, soften and deionize water, and purify solutions. The polymers comprising the ion-exchange column are high-molecular-weight and chemically stable polymers, crosslinked to be porous and essentially insoluble. They are also functionalized with either acidic or basic...