Pure Chromatography
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Terpene Profile of Thyme on Rxi-624Sil MS by FET-HS-GC
| Peaks | tR (min) | |
|---|---|---|
| 1. | p-Cymene | 8.75 |
| 2. | γ-Terpinene | 9.06 |
| 3. | Linalool | 9.87 |
| 4. | dl-Menthol | 11.08 |
| 5. | Borneol | 11.19 |
| Peaks | tR (min) | |
|---|---|---|
| 6. | α-Terpineol | 11.29 |
| 7. | Dihydrocarveol | 11.40 |
| 8. | β-caryophyllene | 13.83 |
| 9. | α-Humulene | 14.21 |
| 10. | Caryophyllene oxide | 15.92 |
GC_FS0520
| Column | Rxi-624Sil MS, 30 m, 0.25 mm ID, 1.40 µm (cat.# 13868) |
| Sample | |
| Conc.: | 20 mg of ground thyme |
| Injection | headspace-loop split (split ratio 10:1) |
| Liner: | Premium 1.0 mm ID straight inlet liner (cat.# 23333.1) |
| Headspace-Loop | |
| Inj. Port Temp.: | 250 °C |
| Instrument: | Tekmar HT-3 |
| Inj. Time: | 1.0 min |
| Transfer Line Temp.: | 160 °C |
| Valve Oven Temp.: | 160 °C |
| Needle Temp.: | 140 °C |
| Sample Temp.: | 140 °C |
| Sample Equil. Time: | 30.0 min |
| Vial Pressure: | 20 psi |
| Loop Pressure: | 15 psi |
| Oven | |
| Oven Temp.: | 60 °C (hold 0.10 min) to 300 °C at 12.50 °C/min (hold 3.0 min) |
| Carrier Gas | He, constant flow |
| Linear Velocity: | 33 cm/sec |
| Detector | FID @ 320 °C |
| Make-up Gas Flow Rate: | 45 mL/min |
| Make-up Gas Type: | N2 |
| 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 © 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.