CC-BY-NC-NDZdravković, MilicaGrekulović, VesnaZdravković, BojanŠtrbac, NadaGorgievski, MilanMarković, Miljan2023-12-262023-12-262023978-86-6305-140-9https://ioc.tfbor.bg.ac.rs/public/2023/Proceedings_IOC_2023.pdfhttps://repozitorijum.tfbor.bg.ac.rs/handle/123456789/2497Corrosion control is possible by adding a small amount of a compound that opposes the anodic or cathodic corrosion reaction or both. This paper presents the results of investigating the electrochemical behavior of steel with 0.1 mol/dm3 HCl in the absence and presence of potato peel juice (2 mL-10 mL). Electrochemical methods of open circuit potential measurement and cyclic voltammetry were applied. The results show that in the presence of potato peel juice (PPJ), there is a shift towards more positive values of the open circuit potential and that value is increasingly positive with the increase in the PPJ concentration. The results obtained by cyclic voltammetry indicate that there are no clearly expressed current peaks on the cyclic voltammogram. With all the PPJ additions the current strength values are lower compared to the current strength values without the addition. The lowest value of the current strength was obtained with the addition of 10 mL PPJ. Lower current values in the presence of PPJ indicate that the potato peel juice slows down both anodic and cathodic processes to a certain extent. Potato peel juice acts as a mixed type of steel corrosion inhibitor in 0.1 mol/dm3 HCl.ensteelelectrochemical behaviorchloride mediumpotato peelconferenceObject