| Imidazole | AISI 316 | AISI 1010 | ||||
| Ecorr (mV) | Rp (kΩ∙cm2) | n (%) | Ecorr (mV) | Rp (Ω∙cm2) | n (%) | |
| 0 ppm | −262 | 2.55 | − | −722 | 87.14 | − |
| 25 ppm | −160 | 15.96 | 84.02 | −643 | 187.20 | 53.45 |
| 50 ppm | −138 | 63.18 | 95.96 | −709 | 325.10 | 73.20 |
| 100 ppm | −150 | 13.60 | 81.25 | −696 | 176.70 | 50.68 |
| 500 ppm | −164 | 18.92 | 86.52 | −666 | 101.00 | 13.72 |
| 1000 ppm | −183 | 3.02 | 15.56 | −696 | 113.40 | 23.16 |