Synergistic Effect of Iodide Ion and 4-Hydroxy Coumarin on the Corrosion Inhibition of Mild Steel in Hydrochloric Acid

<table>Tafel plot for corrosion of mild steel in 1 M HCl containing different                                                concentrations of 4-hydroxy coumarin.</table>

International Scholarly Research Notices

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Figure 1

Figure 1: Synergistic Effect of Iodide Ion and 4-Hydroxy Coumarin on the Corrosion Inhibition of Mild Steel in Hydrochloric Acid 