Table 2.

By MCC-IMS detectable VOCs using positive ion mode which do not possess pathogen differentiation potential by this method due to low amounts in 10 mL headspace or high signal intensity around respective signals

No.	No. GC/MS	Rt GC (min)	Rt MCC (s)	(+) 1/K0 monomer	(+) 1/K0 dimer	Compound
33		>3.00	3.0	0.451	–	Ammonia
34	1*	7.01	3.9	0.599	–	3-Methylbutanal
35	2*	8.48	15.0	0.614	0.742	3-Methyl-1-butanol
36	3*	8.77	6.3	0.488	0.559	Dimethyldisulfide
37	7*	10.95	10.0	0.671	–	2,3-Heptanedione
38	8*	11.57	8.8	0.515	0.583	2-(Methylthio)-ethanol
39	9*	12.80	14.9	0.552	–	2,5-Dimethylpyrazine
40	10*	14.41	22.8	0.529	–	Phenol
41	11*	14.47	19.1	0.637	–	Dimethyl trisulfide
42	12*	14.74	18.6	0.594	0.730	Benzonitrile
43	13*	14.75	23.6	0.652	0.855	2-Octanone
44	14*	15.09	23.7	0.573	0.792	2,3,5-Trimethylpyranzine
45	16*	15.55	26.0	0.556	0.726	2-Acetylthiazole
46	21*	17.10	51.6	0.686	0.909	2-Nonanone
47	27*	19.31	119.4	0.722	0.968	2-Decanone
48	28*	19.89	121.4	0.621	0.746	N-(Phenylmethylene)-1-propanamine
49	33*	21.42	276.3	0.755	1.017	2-Undecanone
50	35*	21.75	210.0	0.610	0.815	S-Methyl thiobenzoate