Table 5. Polarization Parameters for Q235 Steel in 1 M HCl Solution in the Absence and Presence of Different Concentrations of [1,8-Nap][CETSA].
medium | Ecorr (mV) | Icorr (μA·cm–2) | η (%) | θ |
---|---|---|---|---|
blank | –457 ± 3 | 64.7 ± 0.02 | ||
0.1 | –464 ± 4 | 10.13 ± 0.03 | 84.34 | 0.8434 |
1 | –458 ± 1 | 7.00 ± 0.02 | 89.18 | 0.8918 |
2.5 | –465 ± 3 | 9.05 ± 0.03 | 86.01 | 0.8601 |
5 | –459 ± 2 | 11.22 ± 0.01 | 82.65 | 0.8265 |