Research Article
Pomegranate (Punica granatum) Peel Extract as a Green Corrosion Inhibitor for Mild Steel in Hydrochloric Acid Solution
Table 3
The parameters obtained from EIS measurements of mild steel in blank and inhibited HCl solution.
| Inhibitor concentration
(v/v %) | (Ω cm2) | (Ω cm2) | (µF cm−2) | IE% |
| | 0.000 | 1.1 | 6 | 1.84 × 10−4 | — | | 0.625 | 1.1 | 20 | 7.72 × 10−5 | 69 | | 0.125 | 1.0 | 41 | 3.48 × 10−5 | 85 | | 0.250 | 0.1 | 111 | 1.94 × 10−5 | 94 | | 0.500 | 0.1 | 348 | 1.61 × 10−5 | 98 | | 1.000 | 0.8 | 378 | 1.24 × 10−5 | 99 |
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