Process for preparing superficially porous supports for chromato

Details Process for preparing superficially porous supports for chromato Process for preparing superficially porous supports for chromato

1983-04-22

1984-10-16

Morgenstern, Norman

Coating processes

Particles, flakes, or granules coated or encapsulated

Inorganic base

427219, 428403, 428406, 2101982, 210656, 55 67, 55386, B05D 700, C02F 168

Patent

active

044774923

ABSTRACT:
There is disclosed a process for preparing superficially porous macroparticles comprising spray drying a specified well-mixed slurry of core macroparticles, colloidal inorganic microparticles and a liquid and sintering the resulting product to cause a 5%-30% decrease in surface area.

REFERENCES:
patent: 3485658 (1969-12-01), Iler
patent: 3505785 (1970-04-01), Kirkland
patent: 4131542 (1978-12-01), Bergna et al.
"Gas Chromatography 1964", The Institute of Petroleum, London, W1, pp. 285-300, (1965)--Kirkland(I).
Anal. Chem. 37, 1458-1461, (1965)--Kirkland(II).

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