Research Article
A Study of 1-Benzyl-3-phenyl-2-thiourea as an Effective Steel Corrosion Inhibitor in 1.0 M HCl Solution
Table 3
Polarization curve parameters of low carbon steel in 1.0 M HCl with different concentrations of BPTU at 40, 50, and 60°C
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| | Temperatures (°C) | Concentration (M) | icorr (iinh) (mA.cm−2) | H% |
| | 40 | Blank | 1.0070 | | | 2 × 10−4 | 0.1207 | 88.02 (1.30) | | 10–4 | 0.1405 | 86.05 (1.40) | | 5 × 10−5 | 0.1551 | 84.59 (1.32) | | 10–5 | 0.1940 | 80.73 (1.50) |
| | 50 | Blank | 4.1032 | | | 2 × 10−4 | 1.3889 | 66.15 (1.40) | | 10–4 | 1.5051 | 63.32 (1.29) | | 5 × 10−5 | 1.5570 | 62.05 (1.25) | | 10–5 | 1.7039 | 58.48 (1.20) |
| | 60 | Blank | 7.3500 | | | 2 × 10−4 | 3.3803 | 54.01 (1.28) | | 10–4 | 3.6177 | 50.78 (1.13) | | 5 × 10−5 | 3.8414 | 47.74 (1.32) | | 10–5 | 4.3766 | 40.45 (1.41) |
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Values in parenthesis in the last column of this table are the mean absolute deviation. |
