Large-sample accessory for a gas chromatograph

Details Large-sample accessory for a gas chromatograph Large-sample accessory for a gas chromatograph

1998-06-23

1999-12-07

Spitzer, Robert

Gas separation: apparatus

Chromatography type apparatus

Including injection system or inlet fluid distributor

96106, B01D 1508

Patent

active

059976152

ABSTRACT:
A gas chromatograph includes a heating enclosure, an injection port extending through a wall of the enclosure, a capillary column within the heating enclosure and connected at a distal end thereof to a detector. The injection port is arranged to accept a carrier gas for gaseous components an analyte solution through the capillary column to the detector. An expansion chamber is located within the heating enclosure between the injection port and the capillary column. The expansion chamber is arranged such that it provides fluid communication between the injection port and the capillary column. First and second conduits are attached to the expansion chamber in fluid communication therewith. The first conduit is arranged to accept the carrier gas from outside the heating enclosure and the second conduit is arranged to vent excess vapor from the chamber to a point outside the heating enclosure.

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Gerstel Large Volumer in Sampleer Brochur pp. 5-7 Date Unknown.
Ultra-trace GC and GC/MS Fully Automatic Computer Controlled Instruments with Enhanced Cpabilities for Trace Analysis Through Cold On Column Large Volume Sample Injection, P. Magni et al., Reprint of Paer Presented at 18th International Symposium on Capillary Chromatography, Riva del Garda (Italy) May 2-24, 1996.

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