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

	Peaks	tR (min)	Conc. (µg/mL)
1.	n-Propane	1.492	10
2.	Isobutane	1.708	10
3.	n-Butane	1.901	10
4.	Methanol	2.215	10
5.	n-Pentane	3.018	10
6.	Ethanol	3.212	10
7.	Diethyl ether	3.344	10
8.	Acetone	3.820	10
9.	2-Propanol	4.188	10
10.	Acetonitrile	4.367	10
11.	Methylene chloride	4.710	10
12.	n-Hexane	6.033	10
13.	Ethyl acetate	7.675	10
14.	Chloroform	8.104	10
15.	Cyclohexane	8.328	10
16.	Benzene	8.763	10
17.	1,2-Dichloroethane	8.872	10
18.	n-Heptane	9.236	10
19.	Trichloroethene	9.637	10
20.	Toluene	11.500	10
21.	m-Xylene	13.421	10
22.	p-Xylene	13.421	10
23.	o-Xylene	13.725	10
24.	N,N-Dimethylacetamide (solvent)	13.958

GC_GN1198

Column	Rxi-624Sil MS, 30 m, 0.25 mm ID, 1.40 µm (cat.# 13868)
Sample	Residual 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 Gas	He, constant flow
Flow Rate:	2 mL/min
Linear Velocity:	40.63 cm/sec
Detector	FID @ 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
Instrument	Agilent 7890B GC

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