How does gas chromatography work? All you need to know Kumar Jeetendra | October 18, 2023 Compounds that can be vaporized without decomposing can be separated from one another and examined using the analytical technique known as gas chromatography (GC). Particularly useful in the pharmaceutical business, forensics, environmental analysis, and chemistry. Here is a description of the operation of gas chromatography: Sample Injection: The procedure starts with the injection of a …