Pure Chromatography
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Organic Volatile Impurities on Rtx-5 (Rtx-G27)
| Peaks | |
|---|---|
| 1. | Ethylene oxide |
| 2. | Methanol |
| 3. | Ethanol |
| 4. | Diethyl ether |
| 5. | 1,1-Dichloroethene |
| 6. | Acetone |
| 7. | Isopropanol |
| 8. | Acetonitrile |
| 9. | Methylene chloride |
| 10. | n-Hexane |
| 11. | n-Propanol |
| 12. | Methyl ethyl ketone |
| Peaks | |
|---|---|
| 13. | Ethyl acetate |
| 14. | Tetrahydrofuran |
| 15. | Chloroform |
| 16. | 1,1,1-Trichloroethane |
| 17. | Carbon tetrachloride |
| 18. | Benzene |
| 19. | 1,2-Dichloroethane |
| 20. | Heptane |
| 21. | Trichloroethylene |
| 22. | n-Butanol |
| 23. | 1,4-Dioxane |
| 24. | Pyridine |
| 25. | Toluene |
GC_PH00260
| Column | Rtx-5 w/5m Integra-Guard Column (Rtx-G27), 30 m, 0.53 mm ID, 5.00 µm (cat.# 10279-126) |
| Sample | Headspace injection of common solvents for pharmaceutical processing. Prepared to equal about 500 ppm in the bulk pharmaceutical. Samples shaken and heated at 90 °C for 15 minutes, 1 mL headspace injection. |
| Injection | |
| Inj. Vol.: | 1,000 µL headspace-syringe split (split ratio 2:1) |
| Inj. Temp.: | 220 °C |
| Oven | |
| Oven Temp.: | 35 °C (hold 10 min) to 100 °C at 5 °C/min to 240 °C at 25 °C/min (hold 5 min) |
| Carrier Gas | He, constant pressure |
| Linear Velocity: | 35 cm/sec @ 35 °C |
| Detector | FID @ 240 °C |
| Notes | FID sensitivity: 1.05 x 10-11 AFS |
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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.