Innovative Chromatography Products
www.restek.fr
www.restek.fr
Detailed Hydrocarbon Analysis (DHA) on Rtx-DHA-100
| Peaks | |
|---|---|
| 1. | Ethanol |
| 2. | C5 (n-pentane) |
| 3. | tert-Butanol |
| 4. | 2-Methylbutene-2 |
| 5. | 2,3-Dimethylbutane |
| 6. | Methyl tert-butyl ether (MTBE) |
| 7. | C6 (n-hexane) |
| 8. | 1-Methylcyclopentene |
| 9. | Benzene |
| 10. | Cyclohexane |
| 11. | 3-Ethylpentane |
| 12. | trans-1,2-Dimethylcyclopentane |
| 13. | C7 (n-heptane) |
| 14. | 2,3,3-Trimethylpentane |
| Peaks | |
|---|---|
| 15. | Toluene |
| 16. | C8 (n-octane) |
| 17. | Ethylbenzene |
| 18. | p-Xylene |
| 19. | 2,3-Dimethylheptane |
| 20. | C9 (n-nonane) |
| 21. | 5-Methylnonane |
| 22. | 1-Methyl-2-ethylbenzene |
| 23. | C10 (n-decane) |
| 24. | C11 (undecane) |
| 25. | 1,2,3,5-Tetramethylbenzene |
| 26. | Naphthalene |
| 27. | C12 (dodecane) |
| 28. | 1-Methylnaphthalene |
| 29. | C13 (tridecane) |
GC_PC1284
| Column | Rtx-DHA-100, 100 m, 0.25 mm ID, 0.50 µm (cat.# 10148) |
| using Rtx-5 DHA tuning column 2-5 m, 0.25 mm ID (cat.# 10165) | |
| with universal Press-Tight connectors (cat.# 20429) | |
| Sample | Oxy setup blend (cat.# 33034) |
| Injection | |
| Inj. Vol.: | 0.1 µL split (split ratio 150:1) |
| Liner: | Premium 4 mm Precision liner w/wool (cat.# 23305.1) |
| Inj. Temp.: | 250 °C |
| Oven | |
| Oven Temp.: | 5 °C (hold 10 min) to 49 °C at 5 °C/min (hold 50 min) to 200 °C at 1.5 °C/min (hold 10 min) |
| Carrier Gas | He, constant flow |
| Flow Rate: | 2.2 mL/min |
| Detector | FID @ 275 °C |
| Make-up Gas Flow Rate: | 30 mL/min |
| Make-up Gas Type: | N2 |
| Hydrogen flow: | 40 mL/min |
| Air flow: | 368 mL/min |
| Instrument | Agilent 7890B GC |
| Notes | Restek's Rtx-DHA-100 column has the required selectivity to deliver adequate resolution between the critical pairs in ASTM Method D6730. Excellent column inertness provides peak shapes for oxygenated compounds that meet or exceed ASTM method criteria. Chromatogram was obtained using 2.5 m of Rtx-5 DHA tuning column. |
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