| Variable | Conditions |
|---|---|
| Main body | 500 GC system, YL Instrument, Anyang, Korea |
| Detector | Flame ionization detector (FID) |
| Column | SP-2560 (100 m×0.25 mm×0.2 µm) |
| Carrier gas | N2 |
| Oven temperature | 140℃(5 min)→1.5℃/min→200℃(4 min)→3℃/min→240℃(15 min) |
| Inlet temperature | 225℃ |
| Detector temperature | 285℃ |
| Injection volume | 2 |