Research Article
The Inhibitory Properties of the Ambroxol Derivative on the Corrosion of Mild Steel in Hydrochloric Acid Medium
Table 3
The results of the EIS measurement of the corrosion rates.
| (ppm) | (ohm) | Constant phase element parameters | (ohm) | (%) | (kohm−1·sn) | | (μF) | (pm) |
| 0 | 0.61 | 0.49 | 0.88 | 333 | 8.5 | 130 | — | 3.2 | 0.58 | 0.54 | 0.88 | 240 | 11.8 | 160 | 18.9 | 16 | 0.62 | 0.55 | 0.89 | 227 | 12.5 | 215 | 39.3 | 80 | 0.59 | 0.57 | 0.87 | 171 | 16.6 | 359 | 63.8 | 400 | 0.63 | 0.85 | 0.92 | 116 | 24.6 | 844 | 84.6 |
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