Gas separation – Means within gas stream for conducting concentrate to collector
Patent
1991-06-27
1992-11-17
Spitzer, Robert
Gas separation
Means within gas stream for conducting concentrate to collector
55 67, 55197, 55386, 73 2336, B01D 1508, G01N 3002
Patent
active
051639793
ABSTRACT:
A pressure control apparatus includes an oscillating electronic back pressure regulator connected to a pneumatic or diaphragm-operated back pressure regulator. These are connected to a separation column for effecting a predetermined program of pressure change and thereby improving quantitation of results as well as service life of the regulator.
REFERENCES:
patent: 3250057 (1966-05-01), Clarke
patent: 4035168 (1977-07-01), Jennings
patent: 4038053 (1977-07-01), Golay
patent: 4479380 (1984-10-01), Novotny et al.
patent: 4500432 (1985-02-01), Poole et al.
patent: 4760732 (1988-08-01), Bredeweg et al.
patent: 4814089 (1989-03-01), Kumar
patent: 4871453 (1989-10-01), Kumar
patent: 4994096 (1991-02-01), Klein et al.
patent: 5032151 (1991-07-01), Klein et al.
"CGC Using a Programmable Electronic Pressure Controller", B. W. Hermann et al., Journal of High Resolution Chromatography, vol. 13, pp. 361-365 (May 1990).
"CGC Using a Programmable Electronic Pressure Controller", B. W. Hermann et al., 10th International Symposium on Capillary Chromatography, pp. 1001-1009, May 19, 1989.
"Optimized Flow Programming for Temperature-Programmed Gas Chromatography", G. J. Dodo et al., Journal of Chromatography, vol. 328, pp. 49-53, 1985.
"Applications of a Computerized Flow Programmer for Capillary Column Gas Chromatography", S. Nygren et al., Anal. Chem., vol. 57, pp. 2748-2751, (1985).
"Flow Programming of Short Capillary Columns", A. Nohl, Chromatography Review, vol. 11, No. 3, pp. 10-11 (Oct. 1984).
"Exponential Flow Programming and Gas Chromatography", S. Nygren, Journal of Chromatography, vol. 142, pp. 109-116 (1977).
"Flow Programming in Glass Capillary Column Electron Capture Gas Chromatography by Using the Valve in the Splitter Line", S. Nygren et al., Journal of Chromatography, vol. 123, pp. 101-108, (1976).
"Flow Programming and Combined Gas Chromatography--Mass Spectrometry", M. A. Grayson et al., Analytical Chemistry, vol. 45, No. 2, pp. 373-376 (1973).
Brochures--Proportion-Air BB1.
Brochures--Proportion-Air BB2.
Patrick Donald W.
Wolcott Richard A.
Luken, Jr. Clement H.
Spitzer Robert
Stallard David S.
The Dow Chemical Company
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