Table 1.
Retention times, quantifier ions, LODs, RSDs, coefficients of variation and linear ranges of compounds under study
| VOC | CAS | Rt [min] | Quantifier ion | LOD [ppb] | RSD [%] | R2 | linear range [ppb] |
|---|---|---|---|---|---|---|---|
| Dimethyl sulfide |
75-18-3 |
16.35 |
62 |
0.08 |
6 |
0.997 |
0.24-70 |
| Isoprene |
78-79-5 |
18.18 |
67 |
0.04 |
4.5 |
0.999 |
0.12-12 |
| 2-Propenal, 2-methyl- |
78-85-3 |
19.11 |
70 |
0.03 |
8 |
0.993 |
0.1-12 |
| Propanal, 2-methyl- |
78-84-2 |
19.43 |
72 |
0.3 |
9 |
0.977 |
0.9-150 |
| Sulfide, ethyl methyl |
624-89-5 |
20.84 |
61 |
0.02 |
6 |
0.999 |
0.06-5.3 |
| 2-Ethylacrolein |
922-63-4 |
23.19 |
Not quantified |
||||
| Butanal, 3-methyl- |
590-86-3 |
23.48 |
44 |
0.14 |
9 |
0.978 |
0.4-350 |
| Butanal, 2-methyl- |
96-17-3 |
23.53 |
Not quantified, RT confirmed |
||||
| 2-Pentanone |
107-87-9 |
24.10 |
43 |
0.05 |
7 |
0.998 |
0.15-9 |
| n-Propyl acetate |
109-60-4 |
24.88 |
43 |
0.06 |
3 |
0.998 |
0.18-9 |
| Thiophene, 3-methyl- |
616-44-4 |
26.02 |
97 |
0.01 |
3 |
0.998 |
0.03-9.6 |
| 2-Heptene |
14686-13-6 |
25.11 |
Not quantified |
||||
| Propane, 2-methyl-1-(methylthio)- |
5008-69-5 |
27.48 |
Not quantified |
||||
| n-Hexanal |
66-25-1 |
27.83 |
56 |
0.2 |
9 |
0.994 |
0.6-15 |
| n-Propyl propionate |
106-36-5 |
28.11 |
75 |
0.03 |
10 |
0.996 |
0.1-7 |
| n-Butyl acetate |
123-86-4 |
28.27 |
56 |
0.04 |
10 |
0.997 |
0.12-8 |
| 3-Heptanone |
106-35-4 |
30.60 |
85 |
0.03 |
2.5 |
0.997 |
0.09-7 |
| 2-Heptanone |
110-43-0 |
30.78 |
43 |
0.03 |
7 |
0.998 |
0.09-6.5 |
| Benzaldehyde |
100-52-7 |
30.99 |
106 |
0.05 |
12 |
0.998 |
0.15-12 |
| Furan, 2-methyl-5-(methylthio)- |
13678-59-6 |
31.05 |
128 |
0.03 |
7 |
0.988 |
0.09-8 |
| 3-Octanone |
106-68-3 |
33.47 |
99 |
0.1 |
7 |
0.981 |
0.3-5.5 |
| 2-Nonanone | 821-55-6 | 36.25 | 58 | 0.07 | 11 | 0.974 | 0.21-5.7 |