Inhibitor-concentration-induced extreme behaviour in electrochemical parameters |
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| Authors: | Wang Jia |
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| Institution: | (1) Institute of Oceanology, Chinese Academy of Sciences, 266071 Qingdao |
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| Abstract: | Changes in electrochemical parameters and inhibition performance with inhibitor concentration were investigated by electrochemical measurements of propargyl derivative inhibitors in acidic solution. It was found that with increasing inhibitor concentrations , double layer capacitences , polarization resistances and inhibiting efficiencies showed extreme behavior at certain inhibitor concentration in sulfuric acid but not in hydrochloric acid medium Analysis of the changes in desorption and corrosion potentials with inhibitor concentration showed that thisextreme phenomenon resulted from inhibitor desorption occurring at around corrosion potential in sulfuric acid solution as the inhibitor concentration reached this certain value. |
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| Keywords: | inhibitor electrochemistry extreme behavior |
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