Inhibition Behaviour of Some Isonicotinic Acid Hydrazides on the Corrosion of Mild Steel in Hydrochloric Acid Solution

<table class="table-group" width="800px"><tr class="fig-image" id="a"><td><img alt="854781.fig.0010a" src="https://static.hindawi.com/articles/ijc/volume-2013/854781/figures/854781.fig.0010a.jpg"/></td></tr><tr class="fig-caption"><td align="center"><table><tr><td><b>(a) </b>INIMH</td></tr></table></td></tr><tr class="fig-image" id="b"><td><img alt="854781.fig.0010b" src="https://static.hindawi.com/articles/ijc/volume-2013/854781/figures/854781.fig.0010b.jpg"/></td></tr><tr class="fig-caption"><td align="center"><table><tr><td><b>(b) </b>INPMH</td></tr></table></td></tr></table>

<table>Nyquist plots for MS in 0.5 M HCl in the presence of different concentrations of (a) INIMH and (b) INPMH.</table>

International Journal of Corrosion

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Figure 10

Figure 10: Inhibition Behaviour of Some Isonicotinic Acid Hydrazides on the Corrosion of Mild Steel in Hydrochloric Acid Solution 