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Corrosion parameters and IE (Inhibition Efficiency) obtained from weight loss of iron-based materials in a 1.0 mol/L HCl at different concentrations of lignin-DMC at 25 °C.
| Concentration (ppm) | CR (mg /(cm2·h)) | IE (%) |
|---|---|---|
| 0 | 2.65 | 0.00 |
| 50 | 0.80 | 69.81% |
| 75 | 0.33 | 87.54% |
| 100 | 0.37 | 86.04% |
| 125 | 0.71 | 73.21% |
