A Comparative Study of the Inhibitory Effect of the Extracts of Ocimum sanctum, Aegle marmelos, and Solanum trilobatum on the Corrosion of Mild Steel in Hydrochloric Acid Medium

<table class="table-group" id="tab5"><tr><td><table class="table"><tr><td class="thead-hr" colspan="4"><hr/></td></tr><tr class="thead"><td align="left">Inhibitor</td><td align="center">Conc. of the extract (% in v/v)</td><td align="center">Permeation current (μA)</td><td align="center">Reduction in permeation current (%)</td></tr><tr><td class="thead-hr" colspan="4"><hr/></td></tr><tr><td align="left">Blank</td><td align="center">—</td><td align="center">23.0</td><td align="center">—</td></tr><tr><td align="left">Ocimum sanctum</td><td align="center">6.0</td><td align="center">2.2</td><td align="center">90.43</td></tr><tr><td align="left">Aegle marmelos</td><td align="center">8.0</td><td align="center">6.0</td><td align="center">73.91</td></tr><tr><td align="left">Solanum trilobatum</td><td align="center">10.0</td><td align="center">17.3</td><td align="center">24.78</td></tr><tr class="table-tr"><td colspan="4"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

Values of hydrogen permeation current for the corrosion of mild steel in 1N HCl alone and in the presence of inhibitors.

International Journal of Corrosion

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Table 5

Table 5: A Comparative Study of the Inhibitory Effect of the Extracts of Ocimum sanctum, Aegle marmelos, and Solanum trilobatum on the Corrosion of Mild Steel in Hydrochloric Acid Medium

Table 5 | A Comparative Study of the Inhibitory Effect of the Extracts of Ocimum sanctum, Aegle marmelos, and Solanum trilobatum on the Corrosion of Mild Steel in Hydrochloric Acid Medium 