Porous silica microspheres having a silanol enriched surface

Details Porous silica microspheres having a silanol enriched surface Porous silica microspheres having a silanol enriched surface

1988-12-21

1989-10-17

Therkorn, Ernest G.

Liquid purification or separation

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Material

2101982, 502408, B01D 1508

Patent

active

048745189

ABSTRACT:
Chromatographic materials comprising porous silica microspheres having silanol-enriched and completely silanized surfaces are disclosed. Processes for preparing the specified chromatographic material are also disclosed.

REFERENCES:
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patent: 3795313 (1974-03-01), Kirkland
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patent: 4010242 (1977-03-01), Iler et al.
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patent: 4324689 (1982-04-01), Shah
patent: 4477492 (1984-10-01), Bergna et al.
patent: 4509964 (1985-04-01), Hubball
Snyder and Kirkland, Introduction to Modern Liquid Chromatography, John Wiley & Son, Inc., New York, 1979, pp. 272-278.
Kohlee, "Comprehensive Characterization of Some Silica-Based Stationary Phases for High Performance Liquid Chromatography", Journal of Chromatography, 352 (1986) pp. 275-305.

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