Electrochemical data for Q235 steel with the addition of different concentrations of inhibitor at 293 K and 333 K.
| C [mg L−1] | E corr [mV SCE] | b a [mV dec−1] | b c [mV dec−1] | i corr [μA cm−2] | f a | f c | η% |
|---|---|---|---|---|---|---|---|
| 293 K | |||||||
| Blank | −716 | 48.4 | 447.9 | 46.5 | |||
| 100 | −712 | 82.2 | 226.1 | 34.8 | 0.6193 | 0.7646 | 25.2 |
| 400 | −697 | 115.2 | 256.4 | 18.5 | 0.1608 | 0.4378 | 60.2 |
| 700 | −683 | 135.8 | 381.8 | 7.1 | 0.0316 | 0.1801 | 84.7 |
| 1000 | −628 | 133.3 | 295.6 | 2.9 | 0.0010 | 0.0981 | 93.8 |
| 333 K | |||||||
| Blank | −742 | 57.5 | 443.2 | 126.3 | |||
| 100 | −735 | 90.3 | 193.4 | 98.9 | 0.5915 | 0.8121 | 21.7 |
| 400 | −668 | 121.4 | 214.0 | 65.0 | 0.0266 | 0.7560 | 48.5 |
| 700 | −579 | 98.4 | 348.3 | 32.9 | 0.0004 | 0.6076 | 74.0 |
| 1000 | −573 | 139.7 | 200.5 | 14.5 | 0.0001 | 0.2768 | 88.5 |