Quaternized siliceous supports for gel permeation chromatography

Liquid purification or separation – With alarm – indicator – register – recorder – signal or... – Responsive to fluid flow

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210198C, 210502, 428406, B01D 1508

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active

041183169

ABSTRACT:
Controlled porosity supports having a siliceous surface are treated with a silane compound followed by treatment with a quaternizing agent to introduce quaternary ammonium moieties on the beads which are used to perform molecular size separations on cationic polymers.

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patent: 4488922 (1970-01-01), Kirkland
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"Chemically Bonded Packings for Chromatography", Chapter 1, Bonded Stationary Phases in Chromatography, M. Lynn and A. M. Filbert, pp. 1-11, 1974.
"Aqueous GPC of Water Soluble Polymers by High Pressure Liquid Chromatography Using Glyceryl CPG Columns", C. Persiani, P. Cukor and K. French, Journal of Chromatography Science, vol. 14, pp. 417-421, Sep. 1976.
The Manufacturing Technology of Continuous Glass Fibres by Loewenstein Elsevier Scientific Pub. Co., New York, pp. 203-206, 210, 211, 1973.

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