Table 2 Details of retention times and corresponding UV-vis absorption spectra of PCNB, HCB and their possible intermediates determined by HPLC
| Name of the compounds | Retention time (min) |
UV-vis absorption spectra (nm) |
|---|---|---|
| PCNB | 6.692 | 301.0 |
| PeCA | 3.532 | 221.1 |
| TeCA | 5.375 | 308.5 |
| TCA | 4.121 | 248.1 |
| DCA | 6.951 | 246.9 |
| PCP | 5.780 | 303.7 |
| HCB | 22.88 | 290.7 |
| PeCB | 16.31 | 287.1 |
| TeCH | 3.735 | 297.8 |
| TeCB | 9.746 | 229.3 |
| TeCP | 4.520 | 299.0 |
| TCB | 12.06 | 268.2 |
| TeCNB | 4.266 | 223.4 |
| TCP | 3.966 | 289.5 |
| DCNB | 3.728 | 222.2 |
| DCB | 4.976 | 284.8 |
| DiCH | 4.214 | 277.6 |
| DCP | 3.457 | 281.2 |