Research Article
The Electrochemical Variation of a Kind of Protein Staining and Food Dye as a New Corrosion Inhibitor on Mild Steel in Acidic Medium
Figure 2
Proposed equivalent circuit models for uninhibited and inhibited solutions (Rs: solution resistance, Rct: charge transfer resistance, Rd: diffuse layer resistance, Ra: resistance of accumulated species at metal/solution interface, L: inductance, RL: inductive resistance, Rf: film resistance, Rpor: pore resistance, CPE1: film capacitance, and CPE2: double layer capacitance).
(a) Uninhibited solution |
(b) Inhibited solutions |