Research Article
Corrosion Inhibition of Carbon Steel in 0.5 M H2SO4 by Phtalocyanine Blue
Table 1
Inhibitor efficiency values obtained from the weight loss tests at different concentrations and temperatures.
| (ppm) | I.E. (%) | | 25°C | 40°C | 60°C |
| 0 | — | — | — | 100 | −48.806 | −79.781 | −89.513 | 200 | −50.759 | −52.564 | −58.637 | 400 | −16.549 | −2.8457 | −54.426 | 600 | 7.942 | −23.521 | −30.119 | 800 | 35.052 | −0.7194 | 7.1672 | 1000 | 24.6 | 0.2282 | −31.134 |
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