Synergistic effect of thiourea derivatives and non‐ionic surfactants on the inhibition of corrosion of carbon steel in acid environments

Synergistic effect of thiourea derivatives and non‐ionic surfactants on the inhibition of... Some thiourea derivatives, non-ionic surfactants and their synergism when used simultaneously were evaluated for their efficiency as corrosion inhibitors for mild steel in 1N H2SO4 solution at different temperatures (303, 313 and 323K). A marked inhibition synergism occurred within an optimum concentration range even at higher temperature. The thiourea derivatives obey the Langmuir adsorption isotherm. The effect of these compounds on the corrosion behaviour of carbon steel was studied using open circuit potential measurements and potentiodynamic polarization measurements. These data were utilized to calculate activation energy. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Anti-Corrosion Methods and Materials Emerald Publishing

Synergistic effect of thiourea derivatives and non‐ionic surfactants on the inhibition of corrosion of carbon steel in acid environments

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Publisher
Emerald Publishing
Copyright
Copyright © 2000 MCB UP Ltd. All rights reserved.
ISSN
0003-5599
DOI
10.1108/00035590010354050
Publisher site
See Article on Publisher Site

Abstract

Some thiourea derivatives, non-ionic surfactants and their synergism when used simultaneously were evaluated for their efficiency as corrosion inhibitors for mild steel in 1N H2SO4 solution at different temperatures (303, 313 and 323K). A marked inhibition synergism occurred within an optimum concentration range even at higher temperature. The thiourea derivatives obey the Langmuir adsorption isotherm. The effect of these compounds on the corrosion behaviour of carbon steel was studied using open circuit potential measurements and potentiodynamic polarization measurements. These data were utilized to calculate activation energy.

Journal

Anti-Corrosion Methods and MaterialsEmerald Publishing

Published: Dec 1, 2000

Keywords: Surfactants; Adsorption; Chemisorption

References

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