Table 2 Chromatographic and mass spectrometric characterization of target compounds.
Compounds | Abbreviations | Retention time (min) | Characteristic ions (m/z) | LOD (ng m−3) |
|---|---|---|---|---|
Naphthalene | Naph | 8.46 | 128, 115 | 0.14 |
Acenaphthylene | Aceny | 13.00 | 152, 126 | 0.22 |
Acenaphthene | Acene | 13.26 | 154, 126 | 0.18 |
Flourene | Flu | 14.49 | 166, 139 | 0.19 |
Phenanthrene | Phe | 17.14 | 178, 152 | 3.71 |
Anthracene | Anth | 17.22 | 178, 152 | 0.60 |
Flouranthene | Fla | 20.16 | 202, 174 | 0.15 |
Pyrene | Pyr | 20.49 | 202, 174 | 2.69 |
Benz(a)anthracene | BaA | 23.55 | 228, 200 | 1.20 |
Chrysene | Chr | 24.00 | 228, 202 | 0.77 |
Benzo(e)pyrene | BeP | 25.05 | 252, 125 | 1.25 |
Benzo(b)flouranthene | BbF | 26.30 | 252, 224 | 0.44 |
Benzo(k)fluoranthene | BkF | 26.35 | 252, 224 | 0.44 |
Benzo(a)pyrene | BaP | 27.18 | 252, 225 | 1.22 |
Perylene | Per | 28.06 | 252, 126 | 0.34 |
Benzo(ghi)perylene | BghiP | 30.06 | 276, 248 | 7.20 |
Dibenz(a,h)anthracene | DBA | 30.17 | 278, 248 | 1.94 |
Indeno(1,2,3cd)pyrene | IcdP | 30.55 | 276, 248 | 0.82 |