Innovative Chromatography Products
www.restek.it
www.restek.it
Questo cromatogramma potrebbe contenere analiti che sono sinonimi dei vostri parametri di ricerca.
QuEChERS Extract of Cannabis on Rxi-17Sil MS and Rxi-5ms by GCxGC-TOFMS (Zoomed in on terpenes region)
GC_FF1208
| Column | Rxi-17Sil MS 30 m, 0.25 mm ID, 0.25 µm (cat.# 14123) |
| Rxi-5ms 0.9 m, 0.18 mm ID, 0.18 µm, | |
| Injection | |
| Inj. Vol.: | 1 µL split (split ratio 20:1) |
| Liner: | Premium 4 mm Precision Inlet Liner w/Wool (cat.# 23305.1) |
| Inj. Temp.: | 275 °C |
| Oven | |
| Oven Temp.: | Rxi-17Sil MS: 40 °C (hold 1 min) to 320 °C at 5 °C/min (hold 3 min) Rxi-5ms: 45 °C (hold 1 min) to 325 °C at 5 °C/min (hold 3 min) |
| Carrier Gas | He, corrected constant flow (2 mL/min) |
| Modulation | |
| Modulator Temp. Offset: | 20 °C |
| Second Dimension Separation Time: | 2 sec |
| Hot Pulse Time: | 0.6 sec |
| Cool Time between Stages: | 0.4 sec |
| Detector | TOFMS |
| Transfer Line Temp.: | 310 °C |
| Analyzer Type: | TOF |
| Source Temp.: | 250 °C |
| Electron Energy: | 70 eV |
| Mass Defect: | -20 mu/100 u |
| Solvent Delay Time: | 4.5 min |
| Tune Type: | PFTBA |
| Ionization Mode: | EI |
| Acquisition Range: | 45-500 amu |
| Spectral Acquisition Rate: | 200 spectra/sec |
| Instrument | LECO Pegasus 4D GCxGC-TOFMS |
| Notes | Sample Preparation: Sample: Up to 2 g of finely ground cannabis in a 50 mL polypropylene centrifuge tube. Extraction: Add 10 mL acetonitrile and 10 mL of organic-free water, then shake thoroughly. Soak 1 hour, then aggressively vortex 30 minutes. Add Q-sep packet (cat.# 26235), shake 1 minute, then centrifuge 5 minutes at 3,000 g with Q-sep 3000 centrifuge (cat.# 26230). |
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