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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