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PDP parameter in 0.1 N HCl for mild steel with and without POX.
| Conc | -Ecorr (mV) | LPR(Ω) | βa (mV/dec) | -βc (mV/dec) | Icorr (μAcm−2) | IE % |
|---|---|---|---|---|---|---|
| Blank | 514 | 82 | 6.067 | 5.815 | 448.8 | _ |
| 25 ppm | 490 | 219 | 8.810 | 8.938 | 112.0 | 75.04 |
| 50 ppm | 476 | 229 | 8.309 | 8.826 | 90.8 | 79.76 |
