| GC-MS | Gas chromatography coupled to mass spectrometry |
|---|---|
| GC-NICI-MS | gas chromatography-negative ion chemical ionisation mass spectrometry |
| GC-C-IRMS | Gas chromatography-combustion-isotope ratio mass spectrometry |
| GC-MS | Gas-liquid chromatography-mass spectrometry |
| HPLC-MS | High-performance liquid chromatography-mass spectrometry |