| Compound 3 | |||||||||
| Concentration/ (mg·L−1) | Ecorr/ (V vs. Hg/HgO) | Ecorr blank/ (V vs. Hg/HgO) | icorr/ (mA·cm−2) | icorr blank/ (mA·cm−2) | βa | βc | βa blank | βc blank | ηP/% |
| 20 | −0.119 | −0.174 | 5.12 × 10−7 | 6.02 × 10−7 | 0.06278 | −0.08243 | 0.06489 | −0.07755 | 14.89 |
| 30 | −0.0856 | −0.174 | 2.01 × 10−7 | 6.02 × 10−7 | 0.04977 | −0.07702 | 0.06489 | −0.07755 | 66.65 |
| 50 | −0.123 | −0.209 | 5.82 × 10−7 | 6.54 × 10−7 | 0.04806 | −0.09786 | 0.05562 | −0.08614 | 11.01 |
| 100 | −0.134 | −0.136 | 6.47 × 10−7 | 7.24 × 10−7 | 0.05454 | −0.08851 | 0.06018 | −0.08681 | 10.61 |