| Items | Condition |
|---|---|
| Instrument | Varian star 3600. U.S.A |
| Column | Omegawax 205 fused-silica bond capillary column (30 m × 0.32 mmL, D, m 0.25μm film thickness) |
| Detector | Flame ionization detector |
| Carrier gas | Nitrogen(99.99%, research purity) |
| Column flow rate | 1mL/min |
| Split ratio | 100:1 |
| Injection port temperature | 250℃ |
| Detecton port temperature | 260℃ |
| Oven temeprature | 200℃ |