Pure Chromatography
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Cannabis Residual Solvents at 50 ppm Cutoff
| Peaks | |
|---|---|
| 1. | Ethyl mercaptan |
| 2. | Isobutane |
| 3. | Butane |
| 4. | Methanol |
| 5. | Pentane |
| 6. | Ethanol |
| 7. | Acetone |
| 8. | Isopropyl alcohol |
| 9. | n-Hexane |
| Peaks | |
|---|---|
| 10. | Chloroform |
| 11. | Benzene |
| 12. | Heptane |
| 13. | Toluene |
| 14. | Ethylbenzene |
| 15. | m-Xylene |
| 16. | p-Xylene |
| 17. | o-Xylene |
| 18. | Dimethyl sulfoxide |
GC_FS0516
| Column | Rxi-624Sil MS, 30 m, 0.25 mm ID, 1.40 µm (cat.# 13868) |
| Sample | |
| Diluent: | Dimethyl sulfoxide |
| Conc.: | 10 ppm (concentration reflects 100 mg of sample at 50 ppm cutoff) |
| Injection | headspace-loop split (split ratio 10:1) |
| Liner: | Premium 1 mm straight (cat.# 23333.1) |
| Headspace-Loop | |
| Inj. Port Temp.: | 200 °C |
| Instrument: | Tekmar HT3 |
| Inj. Time: | 1.00 min |
| Transfer Line Temp.: | 160 °C |
| Valve Oven Temp.: | 160 °C |
| Sample Temp.: | 140 °C |
| Platen temp equil. time: | 1.0 min |
| Sample Equil. Time: | 10.00 min |
| Vial Pressure: | 20 psi |
| Pressurize Time: | 5.0 min |
| Pressure Equilibration Time: | 0.20 min |
| Loop Pressure: | 15 psi |
| Loop Fill Time: | 2.0 min |
| Oven | |
| Oven Temp.: | 35 °C (hold 1.50 min) to 175 °C at 40 °C/min to 225 °C at 30 °C/min |
| Carrier Gas | He, constant flow |
| Linear Velocity: | 80 cm/sec |
| Detector | FID @ 250 °C |
| Make-up Gas Flow Rate: | 45 mL/min |
| Hydrogen flow: | 40 mL/min |
| Air flow: | 450 mL/min |
| Data Rate: | 20 Hz |
| Instrument | Agilent/HP6890 GC |
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Restek Corporation, U.S., 110 Benner Circle, Bellefonte, PA 16823
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.