Pure Chromatography
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Reformate Standard on Rtx-DHA 50 by Optimized ASTM D5134-13
| Peaks | |
|---|---|
| 1. | Isobutane |
| 2. | n-Butane |
| 3. | Isopentane |
| 4. | n-Pentane |
| 5. | 2,2-Dimethylbutane |
| 6. | Cyclopentane |
| 7. | 2,3-Dimethylbutane |
| 8. | 2-Methylpentane |
| 9. | 3-Methylpentane |
| 10. | n-Hexane |
| 11. | Methylcyclopentane |
| 12. | 2,4-Dimethylpentane |
| 13. | Benzene |
| 14. | 3,3-Dimethylpentane |
| 15. | Cyclohexane |
| 16. | 2-Methylhexane |
| 17. | 2,3-Dimethylpentane |
| 18. | 3-Methylhexane |
| 19. | 3-Ethylpentane |
| Peaks | |
|---|---|
| 20. | n-Heptane |
| 21. | 2,2-Dimethylhexane |
| 22. | Ethylcyclopentane |
| 23. | 2,5-Dimethylhexane |
| 24. | 2,4-Dimethylhexane |
| 25. | 3,3-Dimethylhexane |
| 26. | Toluene |
| 27. | 2,3-Dimethylhexane |
| 28. | 2-Methyl-3-ethylpentane |
| 29. | 2-Methylheptane |
| 30. | 4-Methylheptane |
| 31. | 3-Methylheptane |
| 32. | n-Octane |
| 33. | Ethylbenzene |
| 34. | 1,3-Dimethylbenzene |
| 35. | 1,4-Dimethylbenzene |
| 36. | 1,2-Dimethylbenzene |
| 37. | n-Nonane |
| 38. | n-Dodecane |
GC_PC1320
| Column | Rtx-DHA-50, 50 m, 0.20 mm ID, 0.50 µm (cat.# 10147) |
| Sample | ASTM D5134 qualitative reformate standard (DCG Partnership I, LTD) |
| Injection | |
| Inj. Vol.: | 0.2 µL split (split ratio 200:1) |
| Liner: | Premium 4.0 mm ID Precision inlet liner w/ wool (cat.# 23305.5) |
| Inj. Temp.: | 200 °C |
| Oven | |
| Oven Temp.: | 35 °C (hold 30 min) to 200 °C at 2 °C/min |
| Carrier Gas | He, constant flow |
| Flow Rate: | 1.1 mL/min |
| Detector | FID @ 250 °C |
| Make-up Gas Flow Rate: | 30 mL/min |
| Make-up Gas Type: | He |
| Hydrogen flow: | 40 mL/min |
| Air flow: | 370 mL/min |
| Instrument | Agilent 7890B GC |
| Notes | ASTM method D5134-13 was run at a higher flow rate that was optimized to increase column efficiency. At this optimized flow rate, even though compounds elute faster, resolution between peaks is not lost and the elution order is preserved. |
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Restek Corporation, U.S., 110 Benner Circle, Bellefonte, PA 16823
Copyright © 2019 Restek Corporation. All rights reserved.
A Company of Owners
Cookies allow for a variety of features that make your visit to Restek more enjoyable. By using this website, you agree to the use of cookies in accordance with our guidelines. For more information, see our privacy policy.