Gas chromatography is a commonplace sort of chromatography used in analytical chemistry for separating and studying compounds that may be vaporized without decomposition. Typical uses of GC include checking out the purity of a selected substance or separating the one-of-a-kind components of a aggregate. In a few situations, GC might also assist in figuring out a compound. In preparative chromatography, GC can be used to put together natural compounds from a mixture. Gas chromatography is an analytical separation approach used to research volatile materials in the gasoline segment or in a gaseous combination at excessive temperatures. Gas chromatography may be used for each qualitative and quantitative evaluation. The fuel chromatography detects and quantitate alcohols in blood, fragrant compounds, flavors and fragrances, hydrocarbons, insecticides, herbicides and dioxins.