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Residual Solvents and Gases on Rxi-624Sil MS via HS-Syringe-GC-FID

GC_GN1198
PeakstR (min)Conc.
(µg/mL)
1.n-Propane1.49210
2.Isobutane1.70810
3.n-Butane1.90110
4.Methanol2.21510
5.n-Pentane3.01810
6.Ethanol3.21210
7.Diethyl ether3.34410
8.Acetone3.82010
9.2-Propanol4.18810
10.Acetonitrile4.36710
11.Methylene chloride4.71010
12.n-Hexane6.03310
PeakstR (min)Conc.
(µg/mL)
13.Ethyl acetate7.67510
14.Chloroform8.10410
15.Cyclohexane8.32810
16.Benzene8.76310
17.1,2-Dichloroethane8.87210
18.n-Heptane9.23610
19.Trichloroethene9.63710
20.Toluene11.50010
21.m-Xylene13.42110
22.p-Xylene13.42110
23.o-Xylene13.72510
24.N,N-Dimethylacetamide (solvent)13.958
ColumnRxi-624Sil MS, 30 m, 0.25 mm ID, 1.40 µm (cat.# 13868)
Standard/SampleResidual solvents #1 (cat.# 34105)
n-Propane, isobutane, n-butane (Emerald Scientific)
Diluent:N,N-Dimethylacetamide
Conc.:10 µg/mL
Injection
Inj. Vol.:250 µL headspace-syringe split (split ratio 10:1)
Liner:Topaz 1.8 mm ID straight/SPME inlet liner (cat.# 23280)
Inj. Temp.:280 °C
Headspace-Syringe
Split Vent Flow Rate:20 mL/min
Instrument:PAL RTC
Syringe Temp.:150 °C
Sample Temp.:80 °C
Sample Equil. Time:45 min
Inj. Speed:1700 µL/sec
Oven
Oven Temp.:30 °C (hold 6 min) to 85 °C at 15 °C/min (hold 2 min) to 250 °C at 35 °C/min
Carrier GasHe, constant flow
Flow Rate:2 mL/min
Linear Velocity:40.63 cm/sec
DetectorFID @ 320 °C
Make-up Gas Flow Rate:40 mL/min
Make-up Gas Type:N2
Hydrogen flow:45 mL/min
Air flow:450 mL/min
Data Rate:20 Hz
InstrumentAgilent 7890B GC