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Effect of Aaronsohnia Pubescens Extracts to Prevent Against the Corrosion of Mild Steel in 1.0 M HCl
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نویسنده
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manssouri mounir ,znini mohamed ,el ouadi yassir ,laghchimi amal ,ouakki moussa ,majidi lhou
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منبع
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analytical and bioanalytical electrochemistry - 2020 - دوره : 12 - شماره : 7 - صفحه:944 -958
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چکیده
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The corrosion inhibition and adsorption (cia) performance of the aqueous extracts of aaronsohnia pubescens aerial parts (odorized aqueous extract (oe) and deodorized aqueous extract (de)) on the corrosion mild steel (ms) in 1m hydrochloric acid were evaluated. it is based on the weight loss (wl) analysis, kinetic and thermodynamic parameters, and electrochemical methods both stationary (potentiodynamic polarization (pdp)) and transient (electrochemical impedance spectroscopy (eis)). the inhibition efficiency of inhibitors increases for the concentration of 1.5 g/l; reaching a high value of 93.11 and 87.88 % in 1 m hcl solution at 308 k for oe and de, respectively. the thermodynamic kinetic parameters showed that the adsorption of oe and de on the ms surface follows the langmuir adsorption isotherm. furthermore, pdp measurements exhibited that the studied of each inhibitor performs as a mixed-type inhibitor. oe shows itself to be the best aqueous extract of aaronsohnia pubescens aerial parts to prevent against the corrosion of mild steel.
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کلیدواژه
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Aaronsohnia pubescens ,Aqueous extracts ,Mild Steel ,Corrosion inhibition
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آدرس
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moulay ismail university of meknes, faculty of sciences and techniques, laboratory of natural substances & synthesis and molecular dynamics, Morocco, moulay ismail university of meknes, faculty of sciences and techniques, laboratory of natural substances & synthesis and molecular dynamics, Morocco, university of mohammed premier, faculty of sciences, laboratory of analytical chemistry, materials, and environment (lc2ame), Morocco, moulay ismail university of meknes, faculty of sciences and techniques, laboratory of natural substances & synthesis and molecular dynamics, Morocco, university ibn tofail, faculty of science, laboratory of materials engineering and environment: modelling and application, Morocco, moulay ismail university of meknes, faculty of sciences and techniques, laboratory of natural substances & synthesis and molecular dynamics, Morocco
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Authors
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