Research Article
An Ecofriendly Initiative for the Corrosion Inhibition of Mild Steel in 1 M HCl Using Tecoma capensis Flower Extract
Table 3
Relationship between inhibition efficiency and concentration for TCF/MS/1 M HCl systems at various temperatures.
| Conc.% | Temperature (K) | 303 | 313 | 323 | 333 | 343 | 353 | CR (mpy) | IE (%) | CR (mpy) | IE (%) | CR (mpy) | IE (%) | CR (mpy) | IE (%) | CR (mpy) | IE (%) | CR (mpy) | IE (%) |
| Blank | 1032 | | 2755 | | 6252 | | 8146 | | 9971 | | 18091 | | 0.1 | 333 | 67.8 | 967 | 64.9 | 1307 | 79.1 | 2077 | 74.5 | 4188 | 58.0 | 7634 | 57.8 | 0.2 | 307 | 70.3 | 628 | 77.2 | 982 | 84.3 | 1750 | 78.5 | 3833 | 61.6 | 5174 | 71.4 | 0.3 | 273 | 73.5 | 540 | 80.4 | 757 | 87.9 | 1352 | 83.4 | 3490 | 65.0 | 4378 | 75.8 | 0.4 | 196 | 81 | 507 | 81.6 | 569 | 90.9 | 1238 | 84.8 | 3091 | 69.0 | 4125 | 77.2 | 0.5 | 179 | 82.7 | 479 | 82.6 | 539 | 91.4 | 1149 | 85.9 | 2353 | 76.4 | 3636 | 79.9 | 0.6 | 154 | 85.1 | 410 | 85.1 | 469 | 92.5 | 1075 | 86.8 | 1894 | 81.0 | 3383 | 81.3 | 0.7 | 146 | 85.9 | 386 | 86.0 | 388 | 93.8 | 863 | 89.4 | 1595 | 84.0 | 3039 | 83.2 |
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