Fast Detailed Hydrocarbons Analysis (DHA) on Rtx®-DHA-100 / Rtx®-5 DHA
| Peaks | |
|---|---|
| 1. | Ethanol |
| 2. | C5 |
| 3. | tert-Butanol |
| 4. | 2-Methylbutene-2 |
| 5. | 2,3-Dimethylbutane |
| 6. | Methyl tert-Butyl Ether (MTBE) |
| 7. | C6 |
| 8. | 1-Methylcyclopentene |
| 9. | Benzene |
| 10. | Cyclohexane |
| 11. | 3-Ethylpentane |
| 12. | 1,2-Dimethylcyclopentane |
| 13. | C7 |
| 14. | 2,2,3-Trimethylpentane |
| 15. | 2,3,3-Trimethylpentane |
| Peaks | |
|---|---|
| 16. | Toluene |
| 17. | C8 |
| 18. | Ethylbenzene |
| 19. | p-Xylene |
| 20. | 2,3-Dimethylheptane |
| 21. | C9 |
| 22. | 5-Methylnonane |
| 23. | 1,2-Methylethylbenzene |
| 24. | C10 |
| 25. | C11 |
| 26. | 1,2,3,5-Tetramethylbenzene |
| 27. | Naphthalene |
| 28. | C12 |
| 29. | 1-Methylnaphthalene |
| 30. | C13 |
GC_PC00774
| Column | Rtx®-DHA-100, 100 m, 0.25 mm ID, 0.50 µm (cat.# 10148) |
| using Rtx®-5 DHA tuning column 5 m, 0.25 mm ID, | |
| Sample | DHA/oxygenates setup blend (see notes) |
| Injection | |
| Inj. Vol.: | 0.01 µL split (split ratio 150:1) |
| Liner: | Cup Splitter with Siltek® Deactivation (cat.# 20709-214.1) |
| Inj. Temp.: | 250 °C |
| Oven | |
| Carrier Gas | H2, constant flow |
| Flow Rate: | 3.62 mL/min |
| Linear Velocity: | 55 cm/sec |
| Detector | FID @ 300 °C |
| Notes | Oven Temp: A: 35°C; B: 5°C (hold 8.32 min.) (elute C5) to 48°C at 22°C/min. (hold 26.32 min.) (elute ethylbenzene) to 141°C at 3.20°C/min. (elute C12) to 300°C at 1°C/min. A: Front end of DHA/oxygenates set-up blend C5 Efficiency: 586,825 plates C5 k': 0.476 tert-Butanol skew: 2.10 Resolution: tert-butanol/2-methylbutene-2: 5.39 |
| Acknowledgement | Chromatogram courtesy of Neil Johansen, Inc., Aztec, New Mexico, in association with Envantage Analytical Software, Inc., Cleveland, Ohio. |
