Study of Synergistic Effect of Iodide on the Corrosion Antagonistic Behaviour of a Heterocyclic Phenylhydrazone in Sulphuric Acid Medium on Carbon Steel
Figure 10
(a) SEM image of bare CS surface (b) SEM image of CS surface in 0.5 M H2SO4, (c) SEM image of CS surface in 0.5 M H2SO4 and 3APPH (0.8 mM), and (d) SEM image of CS surface in 0.5 M H2SO4 and 3APPH (0.8 mM) + 0.2 mM KI.