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Interfacing gas chromatography with mass spectrometry (GC-MS) combines the separation capabilities of GC with the identification capabilities of MS.
GC separates components of a sample based on their boiling points and polarities, while MS identifies the components based on their mass-to-charge ratios.
GC-MS is a powerful analytical technique that provides both qualitative and quantitative information about the components of a sample.
Here are some of the advantages of interfacing gas chromatography with mass spectrometry:
- High sensitivity: MS is a very sensitive technique, which means that it can detect very small amounts of a compound.
- High selectivity: MS can identify compounds based on their mass-to-charge ratios, which makes it very selective.
- Versatility: GC-MS can be used to analyze a wide variety of compounds, including volatile organic compounds (VOCs), semi-volatile organic compounds (SVOCs), and non-volatile compounds.
- Automated data analysis: GC-MS data can be processed and analyzed using computer software, which makes it a very efficient technique.