No | Molecular toxin | Molecular structure | Retention (mins) | Molecular formula mass (g/mol) |
i | benzene |
| 16.12 | 78.05 |
ii | benzaldehyde |
| 18.41 | 106.04 |
iii | propylcyclohexane |
| 19.35 | 126.14 |
iv | benzofuran |
| 20.15 | 118.13 |
v | fluorene |
| 20.43 | 166.22 |
vi | anthracene |
| 20.51 | 178.08 |
vii | pyrene |
| 22.40 | 202.08 |