Abstract
Azithromycin has been tested as inhibitor for steel, copper and zinc corrosion in 0.5 M H2SO4 was studied using potentiodynamic polarization and electrochemical impedance spectroscopy. The results showed that the inhibition efficiency increased with increasing the concentration of Azithromycin. The adsorption characteristics of Azithromycin in presence of steel, copper and zinc metals were studied and the data found to fit the Kinetic-Thermodynamic model. IR spectroscopy of the corrosion product with the inhibitor confirmed the formation of metal ion inhibitor complex.
Highlights
Chemical inhibitors are important and have great uses in the protection and retardation of corrosion [1, 2]
Azithromycin has been tested as inhibitor for steel, copper and zinc corrosion in 0.5 M H2SO4 using potentiodynamic polarization and electrochemical impedance spectroscopy (EIS) techniques
Flouroquinolones was studied as corrosion inhibitor for mild steel in H2SO4 by mass loss, the results indicated that ciprofloxacin, norofloxacin, ofloxacin and sparofloxacin are effective corrosion inhibitors and their adsorption on mild steel surface is consistent with Langmuir adsorption isotherm [12]
Summary
Chemical inhibitors are important and have great uses in the protection and retardation of corrosion [1, 2]. Flouroquinolones have been evaluated as corrosion inhibitors for mild steel in 3.4 % sodium chloride containing different concentrations of flouroquinolones, by mass loss and electrochemical polarization techniques. Flouroquinolones was studied as corrosion inhibitor for mild steel in H2SO4 by mass loss, the results indicated that ciprofloxacin, norofloxacin, ofloxacin and sparofloxacin are effective corrosion inhibitors and their adsorption on mild steel surface is consistent with Langmuir adsorption isotherm [12]. Cefotaxim sodium has been studied as a new efficient corrosion inhibitor for mild steel in hydrochloric acid solution by weight loss, electrochemical polarization, and impedance measurements. The efficiency of inhibition and inhibition mechanism of pipemidic acid, levofloxacin and ciprofloxacin for mild steel in 0.5 M H2SO4 was studied by mass loss, potentiodynamic polarization, electrochemical impedance (EIS) and scanning electron microscope (SEM) techniques. The present study aims to evaluate the potential of Azithromycin as a corrosion inhibitor for steel, copper and zinc in 0.5 M H2SO4 solution by using potentiodynamic polarization, electrochemical impedance (EIS) methods and study the reaction between the metal and inhibitor by FTIR and UV-visible spectrophotometry techniques
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