Gas Chromatography-Mass Spectrometer
- Analysis of gases and dissolved particles
- Able to resolve complex mixtures of volatile components
- Precise characterization of stable atmospheric species
- CH4, N2O, CFCs and non-sticky organic molecules
- All data on [CFCs] is obtained via GC-MS
- Compounds are identified via their retention times and mass spectra
- Quantitative
- Little sample required
- Thermal decomposition
