Synergetic Effect between Phenolic Extracts of Ammi visnaga and Zea mays Formulation on the Corrosion of Mild Steel in 1 M HCl Solution

Figure 3

Equivalent circuit ((a) and (b)) used to fit the impedance data for mild steel in 1 M HCl with or without HE (AV)/HE (ZM) mixture.

(a)

(b)