| HS | Headspace |
| GC | Gas chromatography |
| IMS | Ion mobility spectrometry |
| MS | Mass spectrometry |
| PG | Propylene glycol (1,2-propanediol) |
| GL | Glycerol (1,2,3-propanetriol) |
| LOD | Limit of detection |
| LOQ | Limit of quantitation |
| R-APCI | Radioactive-atmospheric pressure chemical ionization |
| AIP | Analyte ion peak |
| RIP | Reactant ion peak |
| A | Analyte |
| DIN | German institute for standardisation (Deutsches Institut für Normung) |
| RE | Relative error |
| RMSE | Root mean squared error |
| Rt | Retention time |
| K0 | Reduced mobility |
| MIBK | Methyl isobutyl ketone |
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