Water Robustness Test on Rt®-Silica BOND

PeakstR (min)
1.Methane1.514
2.Ethane1.653
3.Ethylene1.698
4.Acetylene1.854
5.Propane2.032
6.Cyclopropane2.345
7.Propylene2.438
8.Propadiene2.594
PeakstR (min)
9.n-Butane3.151
10.1-Butene4.485
11.Methyl acetylene4.625
12.trans-2-Butene5.096
13.1,3-Butadiene5.267
14.Isobutylene5.267
15.cis-2-Butene5.544
16.iso-Pentane5.811
17.n-Pentane6.352
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GC_PC1275
ColumnRt®-Silica BOND, 30 m, 0.32 mm ID (cat.# 19785)
SampleCustom hydrocarbon gas standard
Conc.: 1 mole percent in nitrogen
Injection
Inj. Vol.:15 µL split (split ratio 35:1)
Liner:Premium 2 mm ID straight inlet liner (cat.# 23313.1)
Inj. Temp.:250 °C
Oven
Oven Temp.:120 °C (hold 25 min)
Carrier GasHe, constant flow
Linear Velocity:40 cm/sec
DetectorFID @ 260 °C
Make-up Gas Flow Rate:50 mL/min
Make-up Gas Type:N2
Hydrogen flow:40 mL/min
Air flow:400 mL/min
Data Rate:10 Hz
InstrumentAgilent 7890A GC
NotesThe hydrocarbon mix was first analyzed to generate a baseline reference; then, ten separate 10 μL injections of water were made 1 minute apart using the same method. After the final water injection, the hydrocarbon mix was analyzed again to compare the chromatography before and after the water injections.
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