Selected condensation products of aromatic aldehydes and thiosemicarbazide have been synthesized and evaluated as corrosion inhibitors of mild steel in 1N hydrochloric acid and 1N sulphuric acid by weight loss and potentiodynamic polarization methods. The values of activation energy and free energy of adsorption have also been determined to understand the mechanism of inhibition. The potentiodynamic polarization studies carried out at room temperature revealed that all the compounds are of mixed type inhibitors in both the acids. The adsorption of all the condensation products on the mild steel surface from both the acids has been found to obey Temkin’s adsorption isotherm. The inhibition efficiency of these compounds has been found to vary with the nature and concentration of the compounds, temperature, immersion time and nature of the acids.
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Technical Paper|
August 01 2000
The influence of some condensation products on corrosion inhibition of mild steel in acidic solutions Available to Purchase
M.A. Quraishi;
M.A. Quraishi
Corrosion Research Laboratory, Department of Applied Chemistry, Faculty of Engineering and Technology, Aligarh Muslim University, Aligarh, India.
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Danish Jamal
Danish Jamal
Corrosion Research Laboratory, Department of Applied Chemistry, Faculty of Engineering and Technology, Aligarh Muslim University, Aligarh, India.
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Publisher: Emerald Publishing
Online ISSN: 1758-4221
Print ISSN: 0003-5599
© MCB UP Limited
2000
Anti-Corrosion Methods and Materials (2000) 47 (4): 233–240.
Citation
Quraishi M, Jamal D (2000), "The influence of some condensation products on corrosion inhibition of mild steel in acidic solutions". Anti-Corrosion Methods and Materials, Vol. 47 No. 4 pp. 233–240, doi: https://doi.org/10.1108/00035590010344349
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