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Direct Filter Injection System for Gas Chromatographs

Abstract: 

An injector port assembly for direct injection of a solid filter test sample for gas chromatography analysis comprising and elongated thermally conductive injector tube having a perforated sample holding portion, and an injection port having a sealable entry opening into which the elongated injector tube is moveably inserted, a hot zone, a cool zone thermally insulated from the hot zone, a purge valve and a conduit for connecting said injection port in fluid communication with a gas chromatography column.

Patent Number: 
5,109,710
Date Of Issue: 
05/05/1992
Inventors: 

Matthew S. Newkirk;David M. Human