GC-MS is an analytical method it is the combination of gas-liquid chromatography and mass spectrometry. It identify different substances present within the test sample. It is having wide range of applications includes drug detection, environmental sample analysis, investigating explosives, and for identification the unknown samples. Additionally, it can identify trace elements in the materials that were previously thought it is beyond identification.
It is a "gold standard" method for substance identification. It positively identifies the actual presence of a particular substance in a given sample.
Application in Different Field: