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Balanced Rxi-SVOCms Column Chemistry Produces Symmetrical Peaks and Stable Retention Times as Mass on Column Varies

GC_EV1605
ColumnRxi-SVOCms, 30 m, 0.25 mm ID, 0.25 µm (cat.# 16623)
Injection
Inj. Vol.:1 µL split (split ratio 10:1)
Liner:Topaz 4.0 mm ID single taper inlet liner with wool (cat.# 23303)
Inj. Temp.:250 °C
Split Vent Flow Rate:12 mL/min
Oven
Oven Temp.:40 °C (hold 0.5 min) to 280 °C at 20 °C/min to 330 °C at 6 °C/min (hold 4 min)
Carrier GasHe, constant flow
Flow Rate:1.2 mL/min
DetectorMS
Mode:Scan
Transfer Line Temp.:280 °C
Analyzer Type:Quadrupole
Source Type:Extractor
Extractor Lens:6 mm ID
Source Temp.:330 °C
Quad Temp.:150 °C
Electron Energy:70 eV
Solvent Delay Time:1.55 min
Tune Type:DFTPP
Ionization Mode:EI
InstrumentAgilent 7890A GC & 5975C MSD
Sample PreparationSamples were aliquoted into amber 2 mL, 9 mm short-cap, screw-thread vials (cat.# 21143) containing glass Big Mouth inserts (cat.# 21782) and sealed with 2.0 mL, 9 mm short-cap, screw-vial closures (cat.# 23842).