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AuthorFouda, A. S.
AuthorMohamed, A. K.
Available date2015-11-08T08:35:34Z
Publication Date1988
Publication NameMaterials and Corrosion
CitationFouda, A. S. and Mohamed, A. K. (1988), Substituted phenols as corrosion inhibitors for copper in nitric acid. Materials and Corrosion, 39:�23�26.
ISSN1521-4176
URIhttp://dx.doi.org/10.1002/maco.19880390105
URIhttp://hdl.handle.net/10576/3771
AbstractThe dissolution of copper in nitric acid solution in the presence of resorcinol, o, p-aminophenols, catechol, o-cresol and salicylaldehyde as corrosion inhibitors has been studied by galvanostatic polarization and weight loss methods. For these compounds the two methods gave consistent results. Polarization data suggest that in the case of these inhibitors the cathode is preferentially polarized under the influence of an external current. The inhibitors appear to function through general adsorption following the Langmuir adsorption isotherm. The inhibiting effect of tested compounds is due to the destruction of the HNO2 formed and its interference with the cathodic reaction.
Languageen
PublisherWILEY-VCH Verlag GmbH
Subjectnitric acid
SubjectPhenols
SubjectCorrosion
TitleSubstituted phenols as corrosion inhibitors for copper in nitric acid
TypeArticle
Issue Number1
Volume Number39


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