Inhibition of API 5L X52 Pipeline Steel Corrosion in Acidic Medium by Gemini Surfactants: Electrochemical Evaluation and Computational Study

Figure 4

Nyquist plots for API X52 steel in 1 M HCl with different concentrations of the synthesized corrosion inhibitors, (a) A312, (b) A314, and (c) A316.

(a)

(b)

(c)