Fig. 4

Nyquist and Bode plots for copper in 0.6 M NaCl with different concentrations of (a, c) nNB, (b, e) ME, and (c, f) QF, respectively. (g, h) equivalent circuit for blank and blank with inhibitors.

Nyquist and Bode plots for copper in 0.6 M NaCl with different concentrations of (a, c) nNB, (b, e) ME, and (c, f) QF, respectively. (g, h) equivalent circuit for blank and blank with inhibitors.