Anion exchange chromatographic separation of polyfunctional comp

Details Anion exchange chromatographic separation of polyfunctional comp Anion exchange chromatographic separation of polyfunctional comp

1979-03-02

1981-09-22

Adee, John

Liquid purification or separation

Processes

Chromatography

2101982, B01D 1508

Patent

active

042908922

ABSTRACT:
A weak anion exchange composition useful in polyfunctional compound chromatographic separations comprises an inert porous particle having a tetra-substituted silane material fixedly attached by covalent bonding to the surface thereof. A process for synthesizing the weak anion exchange composition is disclosed together with methods for separation of polyfunctional compounds and their isomers using a column packed with such weak anion exchange composition.

REFERENCES:
patent: 3664967 (1972-05-01), Stehl
patent: 3808125 (1974-04-01), Good
patent: 3984349 (1976-10-01), Meiller
patent: 4043905 (1977-08-01), Novotny et al.
patent: 4118316 (1978-10-01), Talley et al.
Introduction to Modern Liquid Chromatography by Snyder et al., John Wiley & Sons, N.Y., N.Y., pp. 287-299 and 318-320 relied on, 1974.

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