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Vol 13, Issue 1, 2021
Pages: 155 - 158
Research article
Metallic materials
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Published: 28.05.2021. Research article Metallic materials

INVESTIGATION OF THE GENERAL CORROSION OF COPPER IN HYDROCHLORIC ACID

By
Farzet Bikić ,
Farzet Bikić
Contact Farzet Bikić

University of Zenica , Zenica , Bosnia and Herzegovina

Dejana Kasapović
Dejana Kasapović

University of Zenica , Zenica , Bosnia and Herzegovina

Abstract

In this paper were investigated the effect of hydrochloric acid concentration and addition of oxidizing agents on the rate of general corrosion of copper.For comparison, the corrosion rate in distilled water was also tested.Taffel extrapolation method was used for investigation of general corrosion of copper. Taffel extrapolation method implies scanning of working electrode potential on the order of ± 250 mV in relation to its Open Circuit Potential (EOCP), at the speed of 0.5 mVs-1.Investigations of corrosion were conducted in the corrosion cell according to Standard ASTM G5[5], on instrument potentiostat/galvanostat, Princeton Applied Research, model 263A-2, with the software PowerCORR®. Tests were performed at room temperature, 20 ± 1 °C. 

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