Gas chromatography system with column bifurcation and tunable se

Details Gas chromatography system with column bifurcation and tunable se Gas chromatography system with column bifurcation and tunable se

1992-11-12

1994-01-25

Spitzer, Robert

Gas separation: processes

Chromatography

Plural separate columns

96102, 96104, B01D 1508

Patent

active

052812561

ABSTRACT:
A gas chromatography system featuring column bifurcation and pressure tuning. The system of this invention incorporates a bifurcated system in which samples eluting from a first separation column are directed selectively through one of two or more additional separation columns. Flow directing is achieved through the use of valves which switch carrier gas which are outside of the path of the analyte mixture. Effective tuning of the system is provided by adjusting the intermediate pressure which controls the effective lengths of the initial separation column and the additional final separation columns.

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