Research Article

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

Figure 3

Free energy of adsorption of SPAH in in 1 M HCl and 0.5 M H2SO4 in the presence of SPAH 1 M HCl and 0.5 M H2SO4.
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