Liquid purification or separation – With means to add treating material – Chromatography
Patent
1985-07-01
1986-01-07
Adee, John
Liquid purification or separation
With means to add treating material
Chromatography
55386, 65 301, B01D 1508
Patent
active
045632766
ABSTRACT:
Through the intentional introduction of dopants into a glass structure by utilizing a procedure such as is involved in the modified chemical vapor deposition technique and through subsequent drawing of this structure into capillary tubes, a body is formed that is useful for chromatographic processes. For example, the production of an alumina-doped tube allows selective chromatographic separation of unsaturated organic compounds.
REFERENCES:
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patent: 4376641 (1983-03-01), Nestrick et al.
patent: 4414012 (1983-11-01), Suto et al.
patent: 4419115 (1983-12-01), Johnson, Jr. et al.
"Preparation of Glass Capillary Columns for Gas Chromatography," Journal of Chromatography, M. L. Lee et al., 1980, pp. 235-247.
"High-Purity Fused-Silica Capillary Columns for Gas Chromatography", Journal of Chromatography, 243, H. Saito, 1982, pp. 189-206.
The Preparation of Porous Layer Open Tubular Columns Using Powdered Glass as A Binding Agent by Cronin. J. Chromatog., 48(1970), pp. 406-411.
A Rapid Method of Surface Modification of Glass Capillary Columns by Torline, Journal of High Resolution Chromatography, Dec. 1978, p. 301.
Gas Chromatography with Glass Capillary Columns by Jennings, Academic Press of New York, pp. 37-40, 1978.
Clark Linda A.
Soto Luis
Adee John
AT&T Bell Laboratories
Schneider Bruce S.
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