COMPOSITE ION-EXCHANGE COMPOSITIONS FOR ION CHROMATOGRAPHY

摘要

The low ion-exchange capacity desirable for single column ion chromatography is obtained in a composite ion-exchange composition comprising water insoluble, hydrophobic support particles having an average particle size of about 2-50 microns and substantially no ion-exchange capacity, and a coating of water insoluble, hydrophobic ion-exchange functionalized surface particles hydrophobically bound to the support particles, the surface particles having an average particle size of about 0.01-10 microns but smaller than the support particles.