Pure Chromatography
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Incurred Cypermethrins in a QuEChERS Extract of Marijuana by GCxGC on Rxi-5Sil MS and Rtx-200
| Peaks | RT 1 (sec.) | RT 2 (sec.) | |
|---|---|---|---|
| 1. | Cypermethrin 1 | 2292 | 1.50 |
| 2. | Cypermethrin 2 | 2304 | 1.54 |
| 3. | Cypermethrin 3 | 2310 | 1.53 |
| 4. | Cypermethrin 4 | 2313 | 1.58 |
GC_FF1203
| Column | Rxi-5Sil MS 30 m, 0.25 mm ID, 0.25 µm (cat.# 13623) |
| Rtx-200 1.3 m, 0.25 mm ID, 0.25 µm (cat.# 15020) | |
| Sample | |
| Diluent: | Toluene |
| Injection | |
| Inj. Vol.: | 1 µL splitless (hold 1 min) |
| Liner: | Premium 4mm Single Taper w/Wool (cat.# 23303.1) |
| Inj. Temp.: | 250 °C |
| Purge Flow: | 40 mL/min |
| Oven | |
| Oven Temp.: | Rxi-5Sil MS: 80 °C (hold 1 min) to 310 °C at 5 °C/min Rtx-200: 85 °C (hold 1 min) to 315 °C at 5 °C/min |
| Carrier Gas | He, corrected constant flow (2 mL/min) |
| Modulation | |
| Modulator Temp. Offset: | 20 °C |
| Second Dimension Separation Time: | 3 sec |
| Hot Pulse Time: | 0.9 sec |
| Cool Time between Stages: | 0.6 sec |
| Detector | TOFMS |
| Transfer Line Temp.: | 290 °C |
| Analyzer Type: | TOF |
| Source Temp.: | 225 °C |
| Electron Energy: | 70 eV |
| Mass Defect: | -20 mu/100 u |
| Solvent Delay Time: | 5 min |
| Tune Type: | PFTBA |
| Ionization Mode: | EI |
| Acquisition Range: | 45-550 amu |
| Spectral Acquisition Rate: | 100 spectra/sec |
| Instrument | LECO Pegasus 4D GCxGC-TOFMS |
| Notes | Rtx-200 (cat.# 15020) is a 15 m column. A 1.3 m section was used as the second dimension column. |
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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.