Research Article

Corrosion Inhibition of Mild Steel in Acidic Media by 5′-Phenyl-2′,4′-dihydrospiro[indole-3,3′-pyrazol]-2(1H)-one

Figure 7

Nyquist plots of SPAH for mild steel in (a) 1 M HCl and (b) 0.5 M H2SO4.
835365.fig.007a
(a)
835365.fig.007b
(b)