Table 2 EIS parameters and Inhibition efficiency values for MS surface in 1 M HCl with and without various concentrations of AEET compound at room temperature.
Inh. | Conc. (M) | Rs (Ω. cm2) | Rct (Ω.cm2) | Cdl (F.cm− 2) | N | Q | X2 | θ | IEimp (%) |
---|---|---|---|---|---|---|---|---|---|
AEET | Blank | 2.26 | 36 | 92.21 | 0.91 | 175.22 | 0.00328 | – | ------- |
7 × 10− 5 | 3.46 | 84 | 82.45 | 0.88 | 153.68 | 0.00387 | 0.5722 | 57.22 | |
1 × 10− 4 | 2.92 | 100 | 74.97 | 0.87 | 147.17 | 0.00459 | 0.6443 | 64.43 | |
2 × 10− 4 | 4.45 | 130 | 62.12 | 0.85 | 127.98 | 0.00648 | 0.7261 | 72.61 | |
4 × 10− 4 | 3.94 | 190 | 34.55 | 0.87 | 67.54 | 0.00564 | 0.8194 | 81.94 | |
5 × 10− 4 | 4.86 | 349 | 23.25 | 0.86 | 39.84 | 0.00585 | 0.8976 | 89.76 |