Inhibition of steel corrosion by calcium benzoate adsorption in nitrate solutions

The inhibitive properties of calcium benzoate for steel corrosion were studied in sodium nitrate solutions at room temperature. Corrosion parameters of the steel/nitrate and steel/benzoate + nitrate interfaces were obtained from polarisation curves. Adsorption parameters of benzoate on steel in sodi...

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Bibliographic Details
Published inCorrosion science Vol. 47; no. 2; pp. 369 - 383
Main Authors Blustein, G., Rodriguez, J., Romanogli, R., Zinola, C.F.
Format Journal Article
LanguageEnglish
Published Oxford Elsevier Ltd 01.02.2005
Elsevier Science
Subjects
Adsorption
Applied sciences
Calcium benzoate
Corrosion
Corrosion environments
Corrosion mechanisms
Corrosion prevention
Exact sciences and technology
Inhibition
Metals. Metallurgy
Steel
Inhibition
Corrosion
Adsorption
Steel
Calcium benzoate
Benzoate
Corrosion protection
Corrosion inhibitor
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Summary:The inhibitive properties of calcium benzoate for steel corrosion were studied in sodium nitrate solutions at room temperature. Corrosion parameters of the steel/nitrate and steel/benzoate + nitrate interfaces were obtained from polarisation curves. Adsorption parameters of benzoate on steel in sodium nitrate solutions were determined through changes in the degree of surface coverage by the inhibitor, as a function of concentration, time and adsorption potential. The effect of chloride on the corrosion inhibition of benzoate was analysed exposing the metal in different chloride solution concentrations.
Bibliography:ObjectType-Article-2
SourceType-Scholarly Journals-1
ObjectType-Feature-1
content type line 23
ISSN:0010-938X
1879-0496
DOI:10.1016/j.corsci.2004.06.009