| Instrument | Agilent GC 6890, MSD 5973N (Agilent Technologies, Waldbronn, Germany) |
| Carrier Gas | He 5.0, 1 ml/min |
| MSD Parameters | EI 70 eV, selected ion mode (SIM), solvent delay 6 min |
| Injection | split/splitless injector, 1 µl, split flow 20 ml/min @ 1 min |
| Liner | glass liner, baffled and deactivated (Gerstel GmbH & Co. KG, Mühlheim an der Ruhr, Germany) |
| Column | HT 8, 50 m, 0.22 mm inner diameter, 0.25 µm film thickness (SGE Analytical Science, Ringwood, Australia) |
| Oven Programme | 1 min at 50˚C, with 50˚C/min to 168˚C, with 4˚C/min to 310˚C, 15 min at 310˚C |
| PTV | Gerstel KAS 4 (Gerstel GmbH & Co. KG, Mühlheim an der Ruhr, Germany) |