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ion-exchange chromatography

(IEC) - a mode of liquid chromatography in which ionic substances are separated on cationic or anionic sites of the packing. The sample ion (and usually a counterion) will exchange with ions already on the ionogenic group of the packing. Retention is based on the affinity of different ions for the site and on a number of other solution parameters (pH, ionic strength, counterion type, etc.).

The term "ion-exchange chromatography" was found in the following pages:


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