Corrosion inhibition for low-carbon steel in 1M H2SO4 solution by phenytoin: evaluation of the inhibition potency of another “anticorrosive drug”

Corrosion inhibition for low-carbon steel in 1M H2SO4 solution by phenytoin: evaluation of the... The inhibitive properties of a drug, phenytoin (5,5-diphenylimidazolidine-2,4-dione, 5DID), on corrosion of low-carbon steel (LCS) in aerated 1 M H2SO4 solution has been evaluated in this study using gravimetric and polarization measurements. Judging from the results obtained, the drug served as a good inhibitor for LCS. The inhibition efficiency (I %) of 5DID in this medium was found to be concentration and temperature dependent, and the adsorption data fit the Langmuir and Temkin isotherm models. Polarization curves revealed that 5DID specifically affected the anodic reaction of the corrosion process. The electrochemical and gravimetric results were complemented with atomic force microscopy surface characterization. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Research on Chemical Intermediates Springer Journals

Corrosion inhibition for low-carbon steel in 1M H2SO4 solution by phenytoin: evaluation of the inhibition potency of another “anticorrosive drug”

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Publisher
Springer Netherlands
Copyright
Copyright © 2014 by Springer Science+Business Media Dordrecht
Subject
Chemistry; Catalysis; Physical Chemistry; Inorganic Chemistry
ISSN
0922-6168
eISSN
1568-5675
D.O.I.
10.1007/s11164-014-1741-3
Publisher site
See Article on Publisher Site

Abstract

The inhibitive properties of a drug, phenytoin (5,5-diphenylimidazolidine-2,4-dione, 5DID), on corrosion of low-carbon steel (LCS) in aerated 1 M H2SO4 solution has been evaluated in this study using gravimetric and polarization measurements. Judging from the results obtained, the drug served as a good inhibitor for LCS. The inhibition efficiency (I %) of 5DID in this medium was found to be concentration and temperature dependent, and the adsorption data fit the Langmuir and Temkin isotherm models. Polarization curves revealed that 5DID specifically affected the anodic reaction of the corrosion process. The electrochemical and gravimetric results were complemented with atomic force microscopy surface characterization.

Journal

Research on Chemical IntermediatesSpringer Journals

Published: Jul 14, 2014

References

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