Table 3. Electrochemical Data Obtained from the Polarization Test for Low-Carbon Steel Immersed in Seawater without and with IBImIL or ImILA for 2 h; the Values are Means of Three Replicates and (±) Corresponds to the Standard Deviations.
| inhibitors | conc. of inhibitors (mol/L) | –Ecorr. (V) | icorr. (μA/cm2) | βa, (mV/dec) | –βc, (mV/dec) | ηp% |
|---|---|---|---|---|---|---|
| Blank | 0.00 | 0.4174 ± 0.01 | 835.3 ± 0.2 | 169.3 ± 0.10 | 181.2 ± 0.2 | 0.00 |
| ImILA | 1 × 10–4 | 0.5379 ± 0.02 | 101.0 ± 0.1 | 155.8 ± 0.2 | 169.5 ± 0.4 | 87.91 ± 0.3 |
| IBImIL | 1 × 10–3 | 0.5674 ± 0.01 | 49.2 ± 0.02 | 142.2 ± 0.03 | 159.4 ± 0.2 | 94.13 ± 0.2 |