Pure Chromatography
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Volatile Petroleum Hydrocarbons (VPH) Massachusetts Department of Environmental Protection on Rtx-502.2
| Peaks | |
|---|---|
| 1. | Methanol |
| 2. | n-Pentane (40ng) |
| 3. | 2-Methylpentane (60ng) |
| 4. | Methyl tert-butyl ether (60ng) |
| 5. | 2,2,4-Trimethylpentane (60ng) |
| 6. | Benzene (20ng) |
| 7. | Toluene |
| Peaks | |
|---|---|
| 8. | n-Nonane |
| 9. | Ethylbenzene (20ng) |
| 10. | p- and m-Xylene (40ng ea.) |
| 11. | o-Xylene (40ng) |
| 12. | 1,2,4-Trimethylbenzene (40ng) |
| 13. | Naphthalene (40ng) |
| 14. | 2,5-Dibromotoluene (SS) |
GC_EV00063
| Column | Rtx-502.2, 105 m, 0.53 mm ID, 3.0 µm (cat.# 10910) |
| Sample | |
| Conc.: | on-column at levels listed |
| Injection | purge and trap split |
| Purge and Trap | |
| Instrument: | Tekmar Model LSC 2000 |
| Trap Type: | BTEX |
| Purge: | 11 min, flow 40 ml/min |
| Dry Purge: | 2 min |
| Desorb Preheat Temp: | 245 °C |
| Desorb: | 2 min @ 250 °C |
| Bake: | 6 min @ 260 °C |
| Oven | |
| Oven Temp.: | 45 °C to 90 °C at 3 °C/min to 140 °C at 5 °C/min to 230 °C at 45 °C/min (hold 8 min) |
| Carrier Gas | He, constant flow |
| Flow Rate: | 15 mL/min |
| Detector | PID and FID |
| Notes | For VPH analysis on an Rtx-502.2 column, use PID for aromatic compounds and FID for aliphatic compounds |
| Acknowledgement | Chromatograms courtesy of Severn Trent Laboratories, Burlington, VT. |
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Copyright © 2021 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.