The Inhibitory Action of the Extracts of Adathoda vasica, Eclipta alba, and Centella asiatica on the Corrosion of Mild Steel in Hydrochloric Acid Medium: A Comparative Study
Figure 11
(1) Blank (2) Centella asiatica (10% v/v) (3) Eclipta alba (8% v/v) (4) Adathoda vasica (6% v/v) Hydrogen permeation current versus time plots for mild steel in 1N HCl solution in the absence and presence of an optimum concentration of the plant extracts.