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Northwest Missouri State University

Gas Chromatography-Mass spectrometry (Photo by University Photography)

Gas Chromatography-Mass spectrometry (GC-MS/FID/TCD)

GC-MS is a method that combines the features of gas chromatography and mass spectrometry to identify different substances within a test sample. It is one of the most powerful analytical tools and offers very high sensitivity to analyze predominantly non-polar compounds from wide range of samples. Applications of GC-MS include not limited to detection in pesticides, personal care products, toxicants, volatile organic compounds (VOC), semi-VOC, forensic substance, fire investigation, environmental analysis, explosives investigation, and identification of unknown constituents from waters, influents, effluents, aquatic organisms, oils, gaseous etc samples. GC/MS can also be used in airport security to detect substances in luggage or on human beings.