Pure Chromatography
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GCxGC-TOFMS Mass Spectrum of Fluoranthene from QuEChERS Extract of NIST SRM 2974a Freeze-Dried Mussel Tissue

GC_FF1198
Column | Rxi-17Sil MS 30 m, 0.25 mm ID, 0.25 µm (cat.# 14123) |
Rxi-1ms 1.2 m, 0.15 mm ID, 0.15 µm (cat.# custom) | |
Sample | |
Diluent: | Acetonitrile |
Injection | |
Inj. Vol.: | 1 µL splitless (hold 1 min) |
Liner: | Gooseneck Splitless (4mm) w/Semivolatiles Wool (cat.# 20798-231.1) |
Inj. Temp.: | 250 °C |
Purge Flow: | 40 mL/min |
Oven | |
Oven Temp.: | Rxi-17Sil MS: 90 °C (hold 1 min) to 320 °C at 3.75 °C/min (hold 2.67 min) Rxi-1ms: 95 °C (hold 1 min) to 325 °C at 3.75 °C/min (hold 2.67 min) |
Carrier Gas | He, corrected constant flow (2.2 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.: | 300 °C |
Analyzer Type: | TOF |
Source Temp.: | 250 °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 to 550 amu |
Spectral Acquisition Rate: | 100 spectra/sec |
Instrument | LECO Pegasus 4D GCxGC-TOFMS |
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