Determining true rate constants of hydrogen evolution and solid-phase diffusion at adsorption of inhibitor

The adsorption of benzalkonium chloride on a surface of St3 steel in 0.1 N HCl + 0.9 N KCl and 0.9 N HCl + 0.1 N KCl solutions is studied using impedance spectroscopy. Taking into account the surface coverage of the electrode with the inhibitor, the true rate constants of the main stages of the cath...

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Bibliographic Details
Published in:Protection of metals and physical chemistry of surfaces 2010-12, Vol.46 (7), p.788-792
Main Authors: Tsygankova, L. E., Protasov, A. S., Balybin, D. V., Makol’skaya, N. A.
Format: Article
Language:English
Subjects:
Adsorption
Characterization and Evaluation of Materials
Chemistry and Materials Science
Corrosion and Coatings
Corrosion Inhibitors
Diffusion
Diffusion rate
Electrodes
Hydrogen evolution
Industrial Chemistry/Chemical Engineering
Inhibitors
Inorganic Chemistry
Materials Science
Metallic Materials
Rate constants
Surface chemistry
Tribology
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Summary:The adsorption of benzalkonium chloride on a surface of St3 steel in 0.1 N HCl + 0.9 N KCl and 0.9 N HCl + 0.1 N KCl solutions is studied using impedance spectroscopy. Taking into account the surface coverage of the electrode with the inhibitor, the true rate constants of the main stages of the cathodic hydrogen evolution and solid-phase diffusion of hydrogen, as well as the surface coverage with hydrogen in the solutions studied, are calculated.
ISSN:2070-2051
2070-206X
DOI:10.1134/S2070205110070099