Table 2.
GC–MS analysis of hydrocarbons present in seawater samples collected from the fishing harbor of Ataya, Kerkennah Islands, Tunisia
| Compounds | Molecular weight (MW) (g/mol) | Retention time (Rt) (min) | m/z (M+) | % of identity in database |
|---|---|---|---|---|
| Tridecane (C13H28) | 184.3 | 6.92 | 184 | 97 |
| Tetradecane (C14H30) | 198.3 | 7.62 | 198.3 | 97 |
| Pentadecane (C15H32) | 212.4 | 8.27 | 212 | 98 |
| Hexadecane (C16H34) | 226.4 | 8.89 | 227 | 98 |
| Heptadecane (C17H36) | 240.48 | 9.47 | 241 | 97 |
| Octadecane (C18H38) | 254.5 | 10.02 | 255 | 98 |
| Nonadecane (C19H40) | 268.52 | 10.52 | 269 | 97 |
| Eicosane (C20H42) | 282.5 | 10.93 | 282 | 98 |
| Heneicosane (C20H42) | 296.5 | 11.31 | 296 | 98 |
| Docosane (C22H46) | 310.6 | 11.64 | 310.4 | 99 |
| Tricosane (C23H48) | 324.6 | 11.94 | 324.4 | 99 |
| Tetracosane (C24H50) | 338.6 | 12.23 | 338.4 | 99 |
| Hexacosane (C26H54) | 366.7 | 12.84 | 366.4 | 98 |
| Octacosane (C28H58) | 394.7 | 13.71 | 394 | 95 |