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Mild steel EIS parameters in 1 M HCl solution without and with the addition of different concentrations of OHB.
| Conc. (mM) | Rs (Ω cm2) | Rct (Ω cm2) | Cdl (μF) | IE% |
|---|---|---|---|---|
| 0.0 | 2.4 | 55.85 | 530 | 0 |
| 0.1 | 2.3 | 104.84 | 285 | 65.7 |
| 0.2 | 2.2 | 213.24 | 305 | 74.6 |
| 0.3 | 2.4 | 309.55 | 230 | 81.8 |
| 0.4 | 2.4 | 395.67 | 175 | 90.5 |
| 0.5 | 2.3 | 512.88 | 122 | 96.1 |
