Electronic Cigarette Liquid on Rtx-VMS (GC-MS)

	Peaks	t_R (min)	Match Quality	EC Liquid	Blank	Region
1.	Nitrogen/oxygen/carbon dioxide	1.051	100	x	x	Red
2.	Water	1.441	100	x	x	Red
3.	Methanol	1.709	100	x	x	Red
4.	Unidentified	1.934		x	x	Red
5.	cis-1,2-Dimethylcyclopropane	2.117	94	x	x	Red
6.	Ethanol	2.239	100	x		Red
7.	1,1-Dichloroethene	2.282	94	x	x	Red
8.	Methylene chloride	2.757	100	x	x	Red
9.	1,2-Dichloroethene	2.891	94	x	x	Red
10.	Ethyl acetate	4.037	91	x		Red
11.	Unidentified	6.000		x		Red
12.	Unidentified	6.085		x		Red
13.	Toluene	6.207	100	x		Red
14.	Propylene glycol	7.853	100	x		Orange
15.	2,3-Dimethylpyrazine	9.243	91	x		Orange
16.	Unidentified	9.615		x		Orange
17.	Unidentified	9.713		x		Orange
18.	Unidentified	9.889		x		Orange
19.	Unidentified	10.017		x		Orange
20.	Unidentified	10.060		x		Orange
21.	Trimethylpyrazine	10.383	94	x		Orange
22.	Unidentified	10.828		x		Orange
23.	Unidentified	10.907		x		Orange
24.	Unidentified	11.047		x		Orange
25.	Unidentified	11.114		x		Orange
26.	Acetylpyrazine	11.394	95	x		Orange
27.	N-(1-Methylethyl)benzenamine	11.864	80	x		Orange
28.	Dipropylene glycol	12.071	91	x		Orange
29.	Glycerin	12.473	100	x		Orange
30.	Dipropylene glycol methyl ether	13.040	80	x		Green
31.	Unidentified	13.107		x		Green
32.	Unidentified	13.168		x		Green
33.	Unidentified	13.229		x		Green
34.	1-(3-Pyridinyl)ethanone	13.321	94	x		Green
35.	Unidentified	13.412		x		Green
36.	Unidentified	13.463		x		Green
37.	Unidentified	14.479		x		Green
38.	Unidentified	14.534		x		Green
39.	Unidentified	14.643		x		Green
40.	Unidentified	14.863		x		Green
41.	Unidentified	15.003		x		Green
42.	Nicotine	15.800	100	x		Green
43.	Unidentified	16.161		x		Blue
44.	Unidentified	16.222		x		Blue
45.	α-Damascone	16.289	95	x		Blue
46.	Unidentified	16.374		x		Blue
47.	Unidentified	16.417		x		Blue
48.	Unidentified	16.478		x		Blue
49.	Unidentified	16.643		x		Blue
50.	Unidentified	16.984		x		Blue
51.	Unidentified	17.033		x		Blue
52.	Myosmine	17.155	95	x		Blue
53.	Unidentified	17.276		x		Blue
54.	Unidentified	17.380		x		Blue
55.	Unidentified	17.441		x		Blue
56.	Nicotine 1-N-oxide	17.533	93	x		Blue
57.	Anabasine	17.697	98	x		Blue
58.	Nicotyrine	17.752	91	x		Blue
59.	Unidentified	18.105		x		Blue
60.	2,3-Dipyridyl	18.550	97	x		Blue
61.	Unidentified	19.788		x		Blue
62.	Unidentified	21.025		x		Blue
63.	Unidentified	21.092		x		Blue
64.	Cotinine	21.635	91	x		Blue

Standard/Sample
Column	Rtx-VMS, 30 m, 0.25 mm ID, 1.40 µm (cat.# 19915)
Diluent:	Methylene chloride
Conc.:	Electronic cigarette liquid diluted 2:1
Injection
Inj. Vol.:	1 µL split (split ratio 10:1)
Liner:	Premium 4 mm Precision liner w/wool (cat.# 23305.5)
Inj. Temp.:	250 °C
Oven
Oven Temp.:	35 °C (hold 1 min) to 250 °C at 11 °C/min (hold 4 min)
Carrier Gas	He, constant flow
Flow Rate:	2.0 mL/min
Linear Velocity:	51.15 cm/sec @ 35 °C

Detector

Mode:

Scan

Scan Program:

Group	Start Time (min)	Scan Range (amu)	Scan Rate (scans/sec)
1	0	15-550	5.2

Transfer Line Temp.:

250 °C

Analyzer Type:

Quadrupole

Source Type:

Extractor

Extractor Lens:

6mm ID

Source Temp.:

230 °C

Quad Temp.:

150 °C

Electron Energy:

70 eV

Tune Type:

BFB

Ionization Mode:

Instrument

Agilent 7890B GC & 5977A MSD

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