Naturally Occurring Elettaria cardamomum Extract as a Corrosion Inhibitor for the Dissolution of Zinc in 1.0 M HCl
Figure 2
Potentiodynamic polarization curves of zinc electrode in 1.0 M HCl solution containing different concentrations of inhibitor at 30°C. 0.00 ppm, 100 ppm, 200 ppm, 300 ppm, 400 ppm, and 500 ppm.
