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Hexane, MTBE, and TBA on Rtx-VMS (60 m, 40 °C start)

Hexane, MTBE, and TBA on Rtx-VMS (60 m, 40 °C start)

PeakstR (min)
1.Hexane8.25
PeakstR (min)
2.Methyl tert-butyl ether (MTBE)8.37
3.Tertiary butanol8.58
image
GC_AR1169
ColumnRtx-VMS, 60 m, 0.25 mm ID, 1.40 µm (cat.# 19916)
with MXT low-dead-volume connector kit (cat.# 20536)
SampleTO-14A internal standard/tuning mix (cat.# 34408)
75 comp TO15 + NJ mix (cat.# 34396)
Diluent:Air @ 50% RH
Conc.:5 ppbv 250 mL injection
Injectionon-column
Oven
Oven Temp.:40 °C (hold 7 min) to 250 °C at 30 °C/min (hold 2 min)
Carrier GasHe, constant flow
Flow Rate:2.0 mL/min
DetectorMS
Mode:Scan
Scan Program:
GroupStart Time
(min)
Scan Range
(amu)
Scan Rate
(scans/sec)
10.0035.0 - 226.003.8
Transfer Line Temp.:250 °C
Analyzer Type:Quadrupole
Source Type:Extractor
Extractor Lens:6 mm ID
Source Temp.:230 °C
Quad Temp.:150 °C
Electron Energy:70.0 eV
Tune Type:BFB
Ionization Mode:EI
PreconcentratorMarkes CIA Advantage
InstrumentAgilent 7890B GC & 5977A MSD
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