Chromatographic separations using a unique silica polymorph

Details Chromatographic separations using a unique silica polymorph Chromatographic separations using a unique silica polymorph

1981-02-04

1983-03-01

Lone, Werren B.

Organic compounds -- part of the class 532-570 series

Organic compounds

Oxygen containing

568917, C07C 3782, C07C 2976

Patent

active

043755682

ABSTRACT:
Chromatographic separation of mixtures containing low molecular weight alcohols, ethylene glycol, phenol and water are made in the liquid and gas phase using as a column packing a unique crystalline silica polymorph, synthesized hydrothermally from a reaction system containing silica, water, an alkylonium base and fluoride anions.

REFERENCES:
patent: 3557531 (1971-01-01), McKinney
patent: 3626666 (1971-12-01), Drinkard
patent: 3699182 (1972-10-01), Cattanach
patent: 3719026 (1973-03-01), Sand
patent: 3732326 (1973-05-01), Chen
patent: 3835043 (1974-09-01), Geissler et al.
patent: 4073865 (1978-02-01), Flanigen et al.
Flanigen et al., Silicalite, A New Hydrophobic Crystalline Silica Molecular Sieve, Nature vol. 271; pp. 512-516, Feb. 9, 1978.

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