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Analytical and Bioanalytical Electrochemistry، جلد ۱۶، شماره ۶، صفحات ۵۵۹-۵۶۷
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عنوان انگلیسی Electrochemical Investigation of The Inhibitory Effect of Zinc Oxide Nanoparticles/Tenofovir Disoproxil Fumarate Nanocomposite on Mild Steel Corrosion in 1 M Hydrochloric Acid
چکیده انگلیسی مقاله Corrosion of mild steel is a disturbing phenomenon that deserves effective measures to avert accidents, equipment breakdown, and economic downturns. The corrosion inhibitory potentials of zinc oxide nanoparticles/tenofovir disoproxil fumarate nanocomposite (Z+D) was investigated using potentiodynamic polarization (PDP) and electrochemical impedance spectroscopy (EIS).  PDP analysis revealed that the alteration in corrosion potential values in the presence of Z+D (compared to corrosion potential obtained in the absence of Z+D) was less than 85 mV which suggest that Z+D operated as a mixed-type inhibitor. Corrosion current density (Icorr) decreased tremendously from 1241 μAcm-2 (in the absence of Z+D) to 321 μA
cm-2 in the presence of 1000 ppm of the inhibitor. The inhibition efficiency increased with an increase in concentration of inhibitor to reach 74% when 1000 ppm of the inhibitor was introduced. EIS studies revealed a tremendous increase in charge transfer resistance (Rct) from 3533 Ω cm2 (in the absence of the inhibitor) to 21464×cm2 when 1000 ppm of Z+D was introduced. The highest inhibition efficiency (i.e 84%) computed from EIS analysis was obtained when 1000 ppm of the inhibitor was introduced. Electrochemical findings suggest that Z+D exhibited good attributes as a corrosion inhibitor for mild steel in 1 M hydrochloric acid.
کلیدواژه‌های انگلیسی مقاله Corrosion inhibitor,Tenofovir disoproxil fumarate,Mild steel,Acid,Nanocomposite,Electrochemical study
نویسندگان مقاله Msenhemba Moses Mchihi |
Department of Chemical Science, School of Science, Yaba College of Technology Lagos, Nigeria

Nnenna Winifred Odozi |
Department of Chemistry, Faculty of Science, University of Ibadan, Nigeria

Shittu Alhameen Gbolahan |
Department of Science Education, School of Technical Education, Yaba College of Technology Lagos, Nigeria

نشانی اینترنتی https://www.abechem.com/article_714079_405d97fb68f3ba78870f35334ed1d2fc.pdf
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