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Table 3 Gas mixture analysis for linearity check

From: Evaluation of an online, real-time, soft-photon ionisation time-of-flight mass spectrometer for mainstream tobacco smoke analysis

Analyte (m/z)Gas bottle concentration (ppm)Calculated response (μg/puff)Measured response, mean ± SD (μg/puff)
Acetaldehyde (44)199.512.78.1 ± 2.1
499.531.820.4 ± 3.7
74747.50.2 ± 0.3a
99863.541.4 ± 4.6
150095.461.0 ± 5.4
2000127.281.6 ± 7.0
Acetone (58)50.834.33.6 ± 0.4
99.768.57.1 ± 0.7
199.216.914.2 ± 0.9
297.425.321.4 ± 1.2
399.333.928.5 ± 1.3
499.942.535.6 ± 1.9
1,3-Butadiene (54)9.70.80.8 ± 0.2
19.51.51.8 ± 0.2
383.03.1 ± 0.5
60.44.75.3 ± 0.4
76.66.06.2 ± 0.6
96.37.58.6 ± 0.6
2-Butanone (72)21.172.22.0 ± 0.3
29.683.12.9 ± 0.4
39.854.13.8 ± 0.4
61.336.45.9 ± 0.5
80.018.37.6 ± 0.5
99.2410.39.5 ± 0.6
Benzene (78)101.11.1 ± 0.2
20.072.32.2 ± 0.2
40.154.54.3 ± 0.3
59.836.86.6 ± 0.4
71.068.07.6 ± 0.4
78.318.88.5 ± 0.5
Isoprene (68)98.69.710.9 ± 0.6
199.319.522.4 ± 1.0
299.629.433.6 ± 1.1
400.439.244.8 ± 2.6
50149.156.3 ± 1.7
594.658.366.7 ± 2.2
Toluene (92)15.212.02.0 ± 0.2
29.884.04.0 ± 0.3
39.875.35.4 ± 0.4
60.328.08.0 ± 0.4
80.4610.710.7 ± 0.5
99.513.213.2 ± 0.6
  1. aDue to an error by the supplier, acetaldehyde had been omitted from the corresponding gas bottle and this data point was therefore excluded from the analysis