Table 2 Corrosion rate and inhibition efficiency in the absence and presence of 6-(dodecyloxy)-1H-benzo[d]imidazole 29 as inhibitor in 1 M HCl solution.
From: Recent advances in the use of benzimidazoles as corrosion inhibitors
C(M) | ν (gm−2 h−1) | η(%) | θ |
|---|---|---|---|
0 | 4.8 ± 0.02 | – | – |
10−6 | 1.24 ± 0.16 | 74.2 | 0.742 |
2 10−6 | 1.06 ± 0.23 | 77.9 | 0.779 |
4 10−6 | 0.81 ± 0.04 | 83.1 | 0.831 |
8 10−6 | 0.39 ± 0.03 | 91.9 | 0.919 |
10−5 | 0.35 ± 0.01 | 92.7 | 0.927 |
10−4 | 0.24 ± 0.01 | 95.0 | 0.950 |