Chromatographic packings comprising metal oxide/hydroxide reacte

Details Chromatographic packings comprising metal oxide/hydroxide reacte Chromatographic packings comprising metal oxide/hydroxide reacte

1987-03-09

1988-11-22

Shine, W. J.

Catalyst, solid sorbent, or support therefor: product or process

Solid sorbent

Organic

B01J 2022

Patent

active

047866284

ABSTRACT:
A chromatographic packing material is disclosed comprising a metal oxide/hydroxide particle having chemically bonded to reactive sites on a surface thereof, a monolayer of one or more phosphonic acids. The bond to the metal oxide/hydroxide surface is formed by reaction of the phosphorous-containing group of the phosphonic acid with the metal oxide/hydroxide surface, so that the carbon-containing or non-polar group of the phosphonic acid is oriented away from the metal oxide/hydroxide surface.

REFERENCES:
patent: 4202798 (1980-05-01), Johnson et al.
patent: 4308079 (1981-12-01), Venables et al.
patent: 4506628 (1985-03-01), Stockel

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