Der Pharma Chemica
Journal for Medicinal Chemistry, Pharmaceutical Chemistry, Pharmaceutical Sciences and Computational Chemistry
ISSN: 0975-413X
Abstract
Effect of iodide ion on corrosion inhibition of mild steel in 1M H2SO4 by polyacrylamide with different macromolecular weight and polyacrylamide poly4-vinylpyridine mixture
Author(s): A. Mansri, B. Bouras, L. Tennouga, K. MedjahedThe effect of iodide ions on the corrosion inhibition of mild steel in 1 M sulfuric acid in the presence of polyacrylamide (PAM) with different macromolecular weight and polyacrylamide poly4-vinylpyridine (PAM/P4VP) (50%/50%) mixture were studied by weight loss measurements at 18°C. The obtained results showed that the inhibition efficiency increased with increasing PAM concentration. The macromolecular weight of the PAM polymer has not any effect in the inhibition efficiency. It was also found that inhibition efficiency increased with addition the P4VP solution to PAM solution. The addition of potassium iodide (KI) enhanced the inhibition efficiency (P%). A synergistic effect was observed between PAM, KI and (PAM/P4VP) (50%/50%) mixture, KI.
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