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

<table>Variation of inhibition efficiency of Kalmegh (<i>Andrographis paniculata</i>) extracts in 1 M HCl with (a) extract concentration, (b) immersion time, (c) acid concentration, and (d) temperature of the solution.</table>

International Journal of Corrosion

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Figure 1: Aqueous Extract of Kalmegh (<i>Andrographis paniculata</i>) Leaves as Green Inhibitor for Mild Steel in Hydrochloric Acid Solution 

International Journal of Corrosion

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

Figure 1