Abstract
The anti-corrosion inhibition effect of itraconazole on copper (Cu) in 0.5 M H2SO4 is observed with variety of experimental methods, including electrochemical measurement, surface morphology analysis, and theoretical calculations. These experimental results all confirm that itraconazole exhibits excellent anti-corrosion performance in the certain temperatures range (298 K–313 K) for copper in sulfuric acid solution. In addition, corresponding adsorption isothermal models were used to fit the adsorption behavior of itraconazole on the copper surface. The results show that the Langmuir adsorption model agrees best with the experimental results. The adsorption of itraconazole on the copper surface belongs to chemical and physical adsorption.
Highlights
The problems of metal materials corrosion and anti-corrosion are closely involve the development of modern science, technology and human life [1]
Metal materials are susceptible to corrosion by corrosive media during use, which affects their service life [2,3]
The corrosion inhibitor molecule is more combined with cuprous ions to form a coordination bond, which effectively isolates the corrosive medium from the copper substrate, thereby achieving a good corrosion inhibition effect
Summary
The problems of metal materials corrosion and anti-corrosion are closely involve the development of modern science, technology and human life [1]. The addition of corrosion inhibitors to the acid wash solution availably inhibits the. The addition of corrosion inhibitors to the acid wash solution availably inhibits the removal of the oxide film on the surface of copper, and reduces the corrosion of the copper itself removal of the oxide film on the surface of copper, and reduces the corrosion of the copper itself by the acid, which is of great significance [4]. Tan et al [13] and co-authors studied the inhibitory effect of the asthma drug montelukast sodium on copper in H2SO4. We drew on Tan’s work and studied the corrosion inhibition performance of the antifungal drug itraconazole on pure copper in sulfuric acid. Corrosion of the antifungal drug itraconazole on pure copper in sulfuric acid. Heteroatoms and conjugated rings, so it can be used as a potential inhibitor
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