Fig. 20

Nyquist plot of carbon steel in 1 M HCl with 50 ppm of TAC 6 inhibitor in the presence of different concentrations of CoCl2 salt (10–90 ppm).
Nyquist plot of carbon steel in 1 M HCl with 50 ppm of TAC 6 inhibitor in the presence of different concentrations of CoCl2 salt (10–90 ppm).