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Other PAHs in a QuEChERS Extract of Mate Tea on Rxi-PAH

1.Benzonaphthofurans218 (orange)
2.Benzofluorenes215 (green)
3.Phenyldibenzofurans244 (blue)
Peak IDs are tentative based on NIST library searches.
ColumnRxi-PAH, 60 m, 0.25 mm ID, 0.10 µm (cat.# 49317)
Inj. Vol.:2.5 µL splitless (hold 1 min)
Liner:Premium 4 mm single taper w/wool (cat.# 23303.5)
Inj. Temp.:275 °C
Purge Flow:40 mL/min
Oven Temp.:80 °C (hold 1 min) to 210 °C at 40 °C/min to 260 °C at 3 °C/min to 350 °C at 11.5 °C/min (hold 6.25 min)
Carrier GasH2, constant flow
Flow Rate:2.4 mL/min
Transfer Line Temp.:320 °C
Analyzer Type:TOF
Source Temp.:300 °C
Electron Energy:70 eV
Mass Defect:0 mu/100 u
Solvent Delay Time:3.67 min
Tune Type:PFTBA
Ionization Mode:EI
Acquisition Range:45-550 amu
Spectral Acquisition Rate:5 spectra/sec
InstrumentLECO Pegasus 4D GCxGC-TOFMS