40 mL of Electronic Cigarette Vapor Collected on a Thermal Desorption Tube and Analyzed on Rtx-VMS
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40 mL of Electronic Cigarette Vapor Collected on a Thermal Desorption Tube and Analyzed on Rtx-VMS
Peaks
tR (min)
Match Quality
Vapor
Blank*
Region
1.
Nitrogen/oxygen
0.685
100
x
x
Red
2.
Carbon dioxide
1.063
100
x
x
Red
3.
Propene
1.200
100
x
Red
4.
Formaldehyde
1.227
100
x
Red
5.
Sulfur dioxide
1.313
90
x
Red
6.
Chloromethane
1.380
100
x
Red
7.
Water
1.453
100
x
x
Red
8.
Acetaldehyde
1.672
100
x
Red
9.
Methanol
1.715
100
x
x
Red
10.
Unidentified
1.885
x
Red
11.
Ethanol
2.270
100
x
Red
12.
Unidentified
2.331
x
Red
13.
Unidentified
2.410
x
Red
14.
Acrolein
2.581
100
x
Red
15.
Propanal
2.629
100
x
Red
16.
Methylene chloride
2.770
100
x
x
Red
17.
Acetone
2.843
100
x
Red
18.
Unidentified
2.892
x
Red
19.
Hexane
2.928
100
x
Red
20.
Acetonitrile
3.160
100
x
x
Red
21.
Unidentified
3.544
x
Orange
22.
Unidentified
3.842
x
Orange
23.
Trimethylsilanol
3.928
100
x
Orange
24.
Unidentified
4.092
x
Orange
25.
Unidentified
4.159
x
Orange
26.
Unidentified
4.245
x
Orange
27.
Unidentified
4.354
x
Orange
28.
Benzene
4.452
100
x
x
Orange
29.
Unidentified
4.519
x
Orange
30.
Acetic acid
5.055
86
x
Orange
31.
Unidentified
5.141
x
Orange
32.
Unidentified
5.647
x
Orange
33.
Unidentified
5.756
x
Orange
34.
1-Hydroxy-2-propanone
6.073
80
x
Orange
35.
Unidentified
6.165
x
Orange
36.
Unidentified
6.220
x
Orange
37.
Toluene
6.280
100
x
x
Orange
38.
Hexamethylcyclotrisiloxane
6.506
91
x
Orange
39.
Unidentified
7.231
x
Orange
40.
Unidentified
7.530
x
Orange
41.
Propylene glycol
7.737
100
x
Green
42.
m-Xylene
8.048
100
x
Green
43.
p-Xylene
8.048
100
x
Green
44.
o-Xylene
8.530
100
x
Green
45.
Styrene
8.597
100
x
Green
46.
Unidentified
9.158
x
Green
47.
Octamethylcyclotetrasiloxane
9.218
91
x
Green
48.
4-Methyl-1-(1-methylethyl)cyclohexene
9.371
95
x
Green
49.
Unidentified
9.639
x
Green
50.
Unidentified
9.852
x
Green
51.
Unidentified
9.932
x
Green
52.
Unidentified
10.121
x
Green
53.
Unidentified
10.219
x
Green
54.
Trimethylpyrazine
10.468
80
x
Green
55.
Benzaldehyde
10.657
100
x
Green
56.
Unidentified
10.858
x
Green
57.
Unidentified
11.120
x
Green
58.
Unidentified
11.187
x
Green
59.
Acetylpyrazine
11.541
93
x
Green
60.
Decamethylcyclopentasiloxane
11.620
91
x
Green
61.
Phenol
11.870
94
x
Green
62.
Unidentified
12.272
x
Green
63.
1,1'-Oxybis-2-propanol
12.333
90
x
Green
64.
Glycerin
12.748
100
x
Blue
65.
Unidentified
13.327
x
Blue
66.
Dodecamethylcyclohexasiloxane
13.979
94
x
Blue
67.
Nicotine
15.862
100
x
Blue
68.
Tetradecamethylhexasiloxane
16.082
91
x
Blue
69.
Unidentified
16.326
x
Blue
70.
Unidentified
16.460
x
Blue
71.
Myosmine
17.216
94
x
Blue
72.
Nicotyrine
17.807
90
x
Blue
73.
Unidentified
18.002
x
Blue
74.
2,3'-Dipyridyl
18.618
94
x
Blue
75.
Unidentified
18.721
x
Blue
76.
Unidentified
19.294
x
Blue
77.
Unidentified
19.611
x
Blue
78.
Unidentified
20.093
x
Blue
79.
Unidentified
20.190
x
Blue
80.
Unidentified
20.269
x
Blue
81.
Unidentified
20.501
x
Blue
82.
Unidentified
20.855
x
Blue
*The concentrations of these compounds in e-cigarette vapor were too close to blank and/or laboratory air concentrations to definitively state they were emitted from the e-cigarettes.
GC_AR1161
Column
Rtx-VMS, 30 m, 0.25 mm ID, 1.40 µm (cat.# 19915)
Sample
Conc.:
One 40 mL puff of electronic cigarette vapor drawn via a gas-tight syringe to replicate vaping
Injection
Direct
Oven
Oven Temp.:
35 °C (hold 1 min) to 250 °C at 11 °C/min (hold 4 min)
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