Expired Colxacillin, Amoxicillin, and Ceflaxin Drugs as Inhibitors for Low Carbon Steel Corrosion in Sodium Chloride

Al-Khawarizmi Engineering Journal

article

AmeerJawad¹  Shatha K. Muallah¹  Kafa Khalaf Hammud² 

[1] Department of Bio-Chemical Engineering / Al-Khwarizmi Engineering College/ Baghdad University/ Baghdad/ Iraq;Ministry of Science and Technology/Baghdad/ Iraq

关键词: Polarization;    Inhibitor;    Expired Drugs;    Cloxacillin;    Amoxicillin;    Ceflaxin;    Salt corrosion;   

DOI  :  10.22153/kej.2023.11.003

学科分类：社会科学、人文和艺术（综合）

来源: Al-Khwarizmi College of Engineering – University of Baghdad

【 摘 要 】

The ability to inhibit corrosion of low carbon steel in a salt solution (3.5%NaCl) has been checked with three realexpired drugs (Cloxacillin, Amoxicillin, Ceflaxin) with variable concentrations (0, 250, 500, 750) mg/L were examinedin the weight loss. The inhibition efficiency of the Cloxacillin 750 mg/L showed the highest value (82.8125 %) and thebest inhibitor of the rest of the antibiotics. The different concentrations of Cloxacillin drug (0, 250, 500, 750) mg/L andtemperature (25, 35, 45, 55) oC were studied as variables with potentiodynamic polarization, Scanning ElectronMicroscopy (SEM) for surface morphology and electrochemical impedance spectroscopy (EIS) depending on currentvalues and the resistance of charge to calculate the inhibition efficiency. The main observations of these tests were thatpolarization curves showed a mixed-type inhibition of expired Cloxacillin. The inhibition efficiency increased withincreasing Cloxacillin concentration but not with increasing temperature.

【 授权许可】

CC BY