Supports for gas chromatography comprising aggregates of finely

Details Supports for gas chromatography comprising aggregates of finely Supports for gas chromatography comprising aggregates of finely

1991-01-04

1992-03-24

Buffalow, Edith L.

Stock material or miscellaneous articles

Web or sheet containing structurally defined element or...

Physical dimension specified

428407, 55386, 2101982, 210656, B01D 1508, B05D 314

Patent

active

050987844

ABSTRACT:
Supports for gas chromatography comprising aggregates of finely divided carbon particles, said aggregates having a bulk specific gravity of 0.2 to 0.5 and a specific surface area of not more than 1.0 m.sup.2 /g and being produced by coating finely divided particles, such as carbon powder, having a diameter of 100 .mu.m or less and a content of particles having a diameter of 5 .mu.m or less of 20% or less, with a liquid thermosetting resin, and subjecting the coated particles to forming, curing, heat-treating, dividing and classifying; and a process for preparing said supports.

REFERENCES:
patent: 4504547 (1985-03-01), Horodmiceanu et al.
patent: 4517241 (1985-05-01), Alpert
patent: 4767670 (1988-08-01), Cox et al.
patent: 4882226 (1989-11-01), Schutyser et al.

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