Table 3 Gas mixture analysis for linearity check
Analyte (m/z) | Gas bottle concentration (ppm) | Calculated response (μg/puff) | Measured response, mean ± SD (μg/puff) |
|---|---|---|---|
Acetaldehyde (44) | 199.5 | 12.7 | 8.1 ± 2.1 |
499.5 | 31.8 | 20.4 ± 3.7 | |
747 | 47.5 | 0.2 ± 0.3a | |
998 | 63.5 | 41.4 ± 4.6 | |
1500 | 95.4 | 61.0 ± 5.4 | |
2000 | 127.2 | 81.6 ± 7.0 | |
Acetone (58) | 50.83 | 4.3 | 3.6 ± 0.4 |
99.76 | 8.5 | 7.1 ± 0.7 | |
199.2 | 16.9 | 14.2 ± 0.9 | |
297.4 | 25.3 | 21.4 ± 1.2 | |
399.3 | 33.9 | 28.5 ± 1.3 | |
499.9 | 42.5 | 35.6 ± 1.9 | |
1,3-Butadiene (54) | 9.7 | 0.8 | 0.8 ± 0.2 |
19.5 | 1.5 | 1.8 ± 0.2 | |
38 | 3.0 | 3.1 ± 0.5 | |
60.4 | 4.7 | 5.3 ± 0.4 | |
76.6 | 6.0 | 6.2 ± 0.6 | |
96.3 | 7.5 | 8.6 ± 0.6 | |
2-Butanone (72) | 21.17 | 2.2 | 2.0 ± 0.3 |
29.68 | 3.1 | 2.9 ± 0.4 | |
39.85 | 4.1 | 3.8 ± 0.4 | |
61.33 | 6.4 | 5.9 ± 0.5 | |
80.01 | 8.3 | 7.6 ± 0.5 | |
99.24 | 10.3 | 9.5 ± 0.6 | |
Benzene (78) | 10 | 1.1 | 1.1 ± 0.2 |
20.07 | 2.3 | 2.2 ± 0.2 | |
40.15 | 4.5 | 4.3 ± 0.3 | |
59.83 | 6.8 | 6.6 ± 0.4 | |
71.06 | 8.0 | 7.6 ± 0.4 | |
78.31 | 8.8 | 8.5 ± 0.5 | |
Isoprene (68) | 98.6 | 9.7 | 10.9 ± 0.6 |
199.3 | 19.5 | 22.4 ± 1.0 | |
299.6 | 29.4 | 33.6 ± 1.1 | |
400.4 | 39.2 | 44.8 ± 2.6 | |
501 | 49.1 | 56.3 ± 1.7 | |
594.6 | 58.3 | 66.7 ± 2.2 | |
Toluene (92) | 15.21 | 2.0 | 2.0 ± 0.2 |
29.88 | 4.0 | 4.0 ± 0.3 | |
39.87 | 5.3 | 5.4 ± 0.4 | |
60.32 | 8.0 | 8.0 ± 0.4 | |
80.46 | 10.7 | 10.7 ± 0.5 | |
99.5 | 13.2 | 13.2 ± 0.6 |