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Permanent Gases on Rt-Msieve 5A (15 m x 0.32 mm x 30 μm)

GC_PC1348
PeakstR (min)Conc. (Mol%)
1.Helium0.56Balance
2.Argon0.873
3.Oxygen0.902
4.Nitrogen1.755
5.Methane2.364
6.Carbon monoxide7.685
ColumnRt-Msieve 5A, 15 m, 0.32 mm ID, 30 µm (cat.# 19720)
Standard/SamplePermanent gases (custom mix)
Injection
Inj. Vol.:30 µL split (split ratio 10:1)
Liner:Topaz 2.0 mm ID straight inlet liner (cat.# 23313)
Inj. Temp.:150 °C
Oven
Oven Temp.:30 °C (hold 10 min)
Carrier GasH2, constant pressure (5.45 psi, 37.6 kPa)
DetectorTCD @ 200 °C
InstrumentAgilent 7890B GC
NotesResolution (Ar/O2) = 1.5
Asymmetry (CO) = 1.1