Innovative Chromatography Products
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www.restek.it
Sage QuEChERS Extract Cleaned with Cartridge SPE (GCxGC-TOFMS Contour Plot)
GC_FF1190
| Column | Rxi-5Sil MS 30 m, 0.25 mm ID, 0.25 µm (cat.# 13623) |
| Rtx-200 1.5 m, 0.18 mm ID, 0.20 µm (cat.# 45001) | |
| Sample | |
| Diluent: | Toluene |
| Injection | |
| Inj. Vol.: | 1 µL splitless (hold 1 min) |
| Liner: | Gooseneck Splitless (4mm) w/Wool (cat.# 22405) |
| Inj. Temp.: | 250 °C |
| Purge Flow: | 40 mL/min |
| Oven | |
| Oven Temp.: | Rxi-5Sil MS: 80 °C (hold 1 min) to 310 °C at 4 °C/min (hold 1.5 min) Rtx-200: 90 °C (hold 1 min) to 320 °C at 4 °C/min (hold 1.5 min) |
| Carrier Gas | He, constant flow |
| Flow Rate: | 1.8 mL/min |
| Modulation | |
| Modulator Temp. Offset: | 25 °C |
| Second Dimension Separation Time: | 4 sec |
| Hot Pulse Time: | 1.2 sec |
| Cool Time between Stages: | 0.8 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: | 4 min |
| Ionization Mode: | EI |
| Acquisition Range: | 45 to 550 amu |
| Spectral Acquisition Rate: | 100 spectra/sec |
| Instrument | LECO Pegasus 4D GCxGC-TOFMS |
| Notes | See application note GNAN1338 for extraction and cleanup details. A 1.5 m length of the Rtx-200 column was trimmed from a 10 m column. Columns were connected with a Universal Press-Tight Connector (cat.# 20429). See chromatogram GC_FF1192 for zoom. |
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