期刊
CORROSION SCIENCE
卷 44, 期 3, 页码 467-479出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/S0010-938X(01)00069-5
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The electrochemical behaviour of copper, nickel and copper/nickel (Cu55/Ni45) alloy in 0.50 M H2SO4 in the absence and presence of propargyl alcohol has been studied. The results indicate that the electrochemical behaviour of the copper/nickel alloy is similar to that of nickel. The interaction between the electrode surface and the organic compound is a relatively fast process and depends on the adsorption potential and alcohol concentration. Anodic currents associated with the electrooxidation of the metals decrease in the presence of propargyl alcohol. Differences in inhibition experience by the three electrodes are discussed in terms of cyclic voltammetry, potentiometry and impedance measurements. (C) 2002 Elsevier Science Ltd. All rights reserved.
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