Synergistic Effect of KI on Corrosion Inhibition of Mild Steel by Polynuclear Schiff Base in Sulphuric Acid

Table 3

Synergism parameter (𝑆_𝜃) for different concentrations of inhibitor in combination with 0.2 mM KI.

Concentration	Synergism parameter, 𝑆𝜃
0.2 mM	1.34
0.4 mM	1.36
0.6 mM	1.42
0.8 mM	1.73
1.0 mM	1.96