Aqueous Extract of Kalmegh (<i>Andrographis paniculata</i>) Leaves as Green Inhibitor for Mild Steel in Hydrochloric Acid Solution

<table>Polarization curves in absence and presence of different concentrations of extract in 1 M HCl.</table>

International Journal of Corrosion

Figure 5: Aqueous Extract of Kalmegh (<i>Andrographis paniculata</i>) Leaves as Green Inhibitor for Mild Steel in Hydrochloric Acid Solution 