High performance anion-exchange chromatographic packing...

B - Operations – Transporting – 01 – D

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B01D 71/06 (2006.01) B01D 69/00 (2006.01)

Patent

CA 1287442

ABSTRACT A anion-exchange chromatographic packing composition which comprises; a substrate which comprises insoluble synthetic resinous particles of a low porosity gel type having cation-exchanging sites at least on their available surfaces, the particles having a diameter of from 1 to 75 microns; and a liquid coating which comprises a hydrophilic, water soluble, film forming aminated resin having anion- exchanging sites which attract available cation- exchanging sites of the substrate, wherein the liquid coating is retained by electrostatic bonds on the available surfaces of the substrate particles. The invention further includes a chromatographic column and process using the described packing composition.

518912

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