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Aminooxoethylpyridinium Chlorides as Inhibitors of Mild Steel Acid Corrosion

Olena Bondar1, Viktoria Vorobyova2, Iryna Kurmakova1, Olena Chygyrynets2
1 Chernihiv National T.G. Shevchenko Pedagogical University, 53, Hetmana Polubotka St., 14013 Chernihiv, Ukraine 2 National Technical University of Ukraine “Igor Sikorsky Kyiv Polytechnic Institute”, 37, Peremogy Ave., 03056 Kyiv, Ukraine
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Aminooxoethylpyridinium chlorides under the St3ps steel corrosion in acid hydrochloric and sulfuric solutions demonstrate the inhibition efficiency at 98 %. The compound with hydrazinocarbonyl and 2,3-dimethylphenyl fragments turns out to be the most effective within the interval 293–333 К. This inhibitor is also characterized by a significant aftereffect due to the chemisorption on the steel surface.

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