has port located in gas chromatograph gas chromatograph inlet K. Grob, Split and Splitless Injection for Quantitative Gas Chromatography: Concepts, Processes, Practical Guidelines, Sources of Error, 4th, Completely Revised Edition (Wiley, Hoboken, New Jersey, 2001). column inlet GC injector An inlet into a gas chromatograph. [Allotrope] gas chromatograph injector column injector gas chromatograph inlet GC inlet injection device sample inlet system