GC-MS combines gas chromatography with mass spectrometry to identify and analyze volatile and semi-volatile compounds within complex mixtures.
Provides highly accurate compound identification using retention time and mass spectral data.
Compounds are separated in a capillary column based on volatility and interaction with the stationary phase.
Separated molecules are ionized, accelerated, and analyzed by the mass spectrometer.
Electron Ionization (EI) and Chemical Ionization (CI) are widely used for accurate compound identification.
Each compound elutes at a unique retention time and produces a distinct mass spectrum, allowing precise identification of components in complex samples.
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