Solid support for liquid chromatography

Details Solid support for liquid chromatography Solid support for liquid chromatography

1977-10-06

1979-02-20

Gantz, Delbert E.

Compositions

Preservative agents

Anti-oxidants or chemical change inhibitants

252428, 210198C, 210502, 55386, B01J 3102, B01D 5700, B01D 5700

Patent

active

041406532

ABSTRACT:
In an apparatus for liquid chromatography the improvement which comprises a chromatographic column packed with a solid packing material comprising porous silica gel particles, having a specific surface area of 5 to 1500 m.sup.2 /g, an average pore diameter of 20 to 2000 A and a crosslinked polymer selected from the group consisting of polystyrene, sulfonated polystyrene, polymethyl methacrylate and polyacrylonitrile coating the surface of the fine holes of the porous silica gel particles in an amount of 5 to 50 wt.% of the polymer to silica gel particles, wherein said crosslinked polymer does not contain any extractable polymer.

REFERENCES:
patent: 3488922 (1970-01-01), Kirkland
patent: 3502217 (1970-03-01), Bruckner et al.
patent: 3577266 (1971-05-01), Kirkland et al.
patent: 3663263 (1972-05-01), Bodre et al.
patent: 3722181 (1973-03-01), Kirkland et al.
patent: 3941718 (1976-03-01), Barabas et al.
patent: 3956179 (1976-05-01), Sebestian et al.
patent: 4045353 (1977-08-01), Kosaka

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