introduction gas chromatography is used in many research labs industrial labs quality control forensic arson and drug analysis toxicology etc environmental labs water soil air and even in the popular ...
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...Introduction gas chromatography is used in many research labs industrial quality control forensic arson and drug analysis toxicology etc environmental water soil air even the popular tv culture crime shows like ncis major mass spec csi for quantitation of compounds often combined with a spectrometer identification traditional equipment requires use that are stable enough to be vaporized without decomposition mainly useful small or non polar molecules not large i e proteins polymers sometimes can converted into derivatives by using trifluoromethyl groups make them more volatile basic setup parts injection block column oven detector carrier printer inject sample he recorder c outlet reference stream temperature has above oc ensure rapid evaporation injected final prevent condensation theory chromatographic techniques separation mixture based on different polarities direct interaction stationary phase indirect way physical properties boiling point consists solid support covered high liqui...