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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
materials science
2,3-Quinoxalinedione as a novel corrosion inhibitor for mild steel in 1 M HCl
Materials Chemistry and Physics, Volume 105, No. 1, Year 2007
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Description
2,3-Quinoxalinedione (QD) was tested as corrosion inhibitor for mild steel in 1 M HCl solution using electrochemical (potentiodynamic polarisation) and non-electrochemical technique (weight loss and UV-vis spectrophotometric measurement). Results of weight loss and Tafel polarisation measurements showed that this compound has fairly good inhibiting properties for steel corrosion in acidic bath, with efficiencies of around 88% at a concentration of 10-3 M. The inhibition is of a mixed anodic-cathodic nature. Langmuir isotherm is found to provide an accurate description of the adsorption behaviour of the investigated compound. Negative value was calculated for the energy of adsorption indicating the spontaneity of the adsorption process. The formation of complex between metal cations and 2,3-quinoxalinedione is also proposed as additional inhibition mechanism of mild steel corrosion. © 2007 Elsevier B.V. All rights reserved.
Authors & Co-Authors
Abboud, Younes
Morocco, Casablanca
Laboratoire de Biomolécules et Synthèse Organique
Abourriche, Abdelkrim M.
Morocco, Casablanca
Laboratoire de Biomolécules et Synthèse Organique
Saffaj, Taoufiq
Morocco, Casablanca
Laboratoire de Biomolécules et Synthèse Organique
Berrada, Mohammed
Morocco, Casablanca
Laboratoire de Biomolécules et Synthèse Organique
Charrouf, M'hamed
Morocco, Casablanca
Laboratoire de Biomolécules et Synthèse Organique
Bennamara, Ahmed
Morocco, Casablanca
Laboratoire de Biomolécules et Synthèse Organique
Al Himidi, N.
Morocco, Casablanca
Faculté Des Sciences Ben M’sick
Hannache, Hassane
Morocco, Casablanca
Faculté Des Sciences Ben M’sick
Statistics
Citations: 209
Authors: 8
Affiliations: 2
Identifiers
Doi:
10.1016/j.matchemphys.2007.03.037
ISSN:
02540584