CC-BY-NC-NDGrekulović, VesnaMitovski, AleksandraRajčić Vujasinović, MirjanaŠtrbac, NadaZdravković, MilicaGorgievski, MilanMarković, Miljan2023-12-262023-12-262021978‐86‐6305‐119‐5https://ioc.tfbor.bg.ac.rs/public/2021/Proceedings_IOC_2021.pdfhttps://repozitorijum.tfbor.bg.ac.rs/handle/123456789/2727The use of plant extracts to inhibit the corrosion of copper and its alloys has been the subject of numerous scientific studies. This paper presents the results of research the electrochemical behavior of copper during oxidation in a solution of 0.5 mol/dm3NaCl in the absence and presence of walnut shell macerate in different concentrations. The electrochemical behavior of copper was investigated by method of open circuit potential measurement and cyclic voltammetry method. The results of measuring the open circuit potential show that the values obtained in the presence of walnut shell macerate are more positive in relation to the value recorded without the addition of walnut shell macerate. Three current peaks that correspond to copper chloride and copper oxide formation appear on the anode polarization curve obtained without the presence of walnut shell macerate. The value of current peaks decreases with increasing concentration of walnut shell macerate in the electrolyte. Lower current values in the presence of walnut shell macerate indicate that walnut shell macerate has got an inhibitory effect on processes resulting with these current peaks.encopperelectrochemical behaviorchloride mediumwalnut shell macerateconferenceObject