Marjoram Extract as Corrosion Inhibitor for Dissolution of Zinc in 1.0 M HCl
Figure 8
Nyquist plots for zinc electrode in 1.0 M HCl in absence and presence of different concentrations of Marjoram extract: 0.00 ppm, 100 ppm, 200 ppm, 300 ppm, 400 ppm, and 500 ppm.