Naturally Occurring Elettaria cardamomum Extract as a Corrosion Inhibitor for the Dissolution of Zinc in 1.0 M HCl
Figure 6
The Nyquist plots for zinc electrode in 1.0 M HCl in absence and presence of different concentrations of inhibitor: 0.00 ppm, 100 ppm, 200 ppm, 300 ppm, 400 ppm, and 500 ppm.
