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

Table 2 Ruggedness P values according to one-way ANOVA by constituent

Analyte	Mean ± SD, μg/cig (n = 30)	LOQ^a, μg	Capillary (new vs used)	Ferrule (new vs used)	Day	Time (a.m. vs p.m.)	Treatment
Acetaldehyde	387.4 ± 54.2	17	0.290	0.156	0.074	0.808	0.704
1,3-Butadiene	27.3 ± 3.3	3.5	0.676	0.725	0.084	0.518	0.798
Acetone	174.7 ± 16.6	0.9	0.980	0.83	0.014^b	0.830	0.796
Isoprene	270.9 ± 36.9	2.1	0.826	0.96	< 0.001^b	0.809	0.878
2-Butanone	61.8 ± 5.5	0.9	0.828	0.584	0.138	0.774	0.670
Benzene	29.6 ± 3.	0.8	0.286	0.725	0.027^b	0.729	0.386
Toluene	61.8 ± 6.1	2.8	0.500	0.635	0.003^b	0.708	0.818

^aLimit of quantification for a 35-mL 2-s puff of a standard gas sample with an assumed signal-to-noise ratio of 10
^bSignificant at P < 0.05

ISSN: 2661-801X