Abstract
The adsorption and protective properties of three thiadiazole derivatives on St3 steel from 5 and 15% H2SO4 solutions have been studied by the method of impedance spectroscopy. A series of changes in absorbability and protective effect depending on the compound structure have been determined. Equivalent electrical circuits have been suggested, and numerical values of circuit parameters have been determined at the compounds' different concentrations. The degree of occupation of the electrode surface by the studied compounds at the corrosion potential has been calculated.
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ACKNOWLEDGMENTS
This work was financially supported by the Russian Foundation for Basic Research, project no. 17-43-590419.
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Translated by D. Marinin
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Panteleeva, V.V., Shein, A.B. & Polkovnikov, I.S. Adsorption of a Series of Thiadiazole Derivatives on Low-Carbon Steel from Sulfuric Acid Solutions. Prot Met Phys Chem Surf 56, 1270–1275 (2020). https://doi.org/10.1134/S2070205120070151
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DOI: https://doi.org/10.1134/S2070205120070151