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Analytical and Bioanalytical Electrochemistry، جلد ۱۶، شماره ۷، صفحات ۶۸۳-۶۹۹
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عنوان انگلیسی Inhibition of Copper Corrosion by Solanum Elaeagnifolium Extract in 0.5 M H₂SO4 Solution
چکیده انگلیسی مقاله Materials made with copper, find widespread use in various industries and several fields due to its important chemical and physical properties. However, these materials are susceptible to corrosion in harsh environments. This study explores the anti-corrosive properties of copper when exposed to solanum elaeagnifolium extract in 0.5 M H2SO4 solutions, employing electrochemical techniques such as electrochemical impedance spectroscopy and potentiodynamic polarization. The extract effectively protects by acting as a mixed-type inhibitor, as demonstrated by potentiodynamic polarization testing, with cathodic predominance. slowing down the cathodic and anodic reactions. An appropriate electrical analog circuit model was utilized to determine the electrochemical impedance characteristics. The analysis revealed that the inhibitor effectiveness is influenced by the inhibitor concentration, the temperature, and the exposure duration. This effectiveness achieved a maximum of 94% at a concentration of 2.5 g/L. The results obtained from electrochemical measurements are strongly supported by the examination of surface morphology. The addition of SE leads to a visibly smoother appearance of the copper, effectively suppressing corrosion of the copper sample. This observation implies the development of an SE–adsorption layer on the copper substrate.
کلیدواژه‌های انگلیسی مقاله copper,Sulphuric Acid,Solanum elaeagnifolium extract,Potentiodynamic polarization,electrochemical impedance spectroscopy
نویسندگان مقاله Abderrahmane Talfana |
Laboratory of Engineering and Applied Technologies, School of Technology, Beni Mellal, Morocco

Issam Forsal |
Laboratory of Engineering and Applied Technologies, School of Technology, Beni Mellal, Morocco

Sara Lahmady |
Laboratory of Engineering and Applied Technologies, School of Technology, Beni Mellal, Morocco

نشانی اینترنتی https://www.abechem.com/article_714696_1ff2cad3906b631c4b28f479d52a6502.pdf
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