| Compound 2 | |||||||||
| 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 | −0.131 | −0.154 | 1.56 × 10−7 | 4.00 × 10−7 | 0.07496 | −0.07673 | 0.05901 | −0.08968 | 61.07 |
| 30 | −0.127 | −0.154 | 1.60 × 10−7 | 4.00 × 10−7 | 0.10503 | −0.08078 | 0.05901 | −0.08968 | 60.08 |
| 50 | −0.126 | −0.174 | 1.43 × 10−7 | 6.02 × 10−7 | 0.09082 | −0.08482 | 0.06489 | −0.07755 | 76.26 |
| 100 | −0.115 | −0.174 | 1.64 × 10−7 | 6.02 × 10−7 | 0.07993 | −0.08715 | 0.06489 | −0.07755 | 72.78 |