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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![]() |

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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