G - Physics – 01 – N
Patent
G - Physics
01
N
73/93
G01N 1/18 (2006.01) G01N 30/44 (2006.01) G01N 30/32 (2006.01)
Patent
CA 1132370
A METHOD FOR RECYCLING A CARRIER GAS FROM THE TRAPPING SYSTEM TO THE INLET OF A GAS CHROMATOGRAPHIC SEPARATION UNIT ABSTRACT OF THE DISCLOSURE During the recycling operation, the carrier gas is subjected to a pre-purification prior to the conven- tional purification, the flow rate and pressure of the carrier gas being maintained at strictly constant values at the inlet of the chromatographic unit. The method is primarily applicable to low-pressure gas chromatography and permits finer separations as well as higher pro- ductivity than atmospheric-pressure chromatography.
318204
Bonmati Reynald
Roz Bernard
Tollet de Santerre Henri
Goudreau Gage & Associates
Societe de Recherches Techniques Et Industrielles
Societe Nationale Elf Aquitaine
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