Research Article
Pomegranate (Punica granatum) Peel Extract as a Green Corrosion Inhibitor for Mild Steel in Hydrochloric Acid Solution
Table 2
The corrosion parameters obtained from polarization plots of mild steel in blank and inhibited HCl solution.
| Inhibitor concentration (v/v %) | (mV) | (Ω cm2) | (mV/dec) | (mV/dec) | (μA cm−2) | IE% |
| 0.000 | −0.548 | 6.052 | 0.0103 | 0.0103 | 4.1440 | — | 0.625 | −0.550 | 18.70 | 0.0790 | 0.0127 | 1.1300 | 72 | 0.125 | −0.550 | 42.240 | 0.0760 | 0.0120 | 0.047 | 88 | 0.250 | −0.553 | 131.40 | 0.0710 | 0.0107 | 0.0414 | 97 | 0.500 | −0.573 | 400.05 | 0.0880 | 0.0126 | 0.0056 | 98 | 1.000 | −0.553 | 400.80 | 0.0730 | 0.0102 | 0.0038 | 99 |
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