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《Electrochemistry》 2008-02
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Inhibition of Amino Acids Against Steel in Hydrochloric Acid Solution

CHENG Ming-yan1,WU Wei-ming1,2,LIU He-ming1,DU Hai-yan1(1.Jiangxi University of Science and Technology,School of Materials and Chemical Engineering,Ganzhou 341000,China;2.School of Materials Science and Engineering,University of Science andTechnology Beijing,Beijing 100083,China)  
The inhibition effect of glutamic acid towards the corrosion of X65 steel in hydrochloric acid solution(10%) was investigated using polarization techniques、electrochemical impedance spectroscopy(EIS) and SEM.The corrosion rate,corrosion potential(Ecoor),polarization resistance(Rp) and inhibition efficiency(η) were determined.The results revealed that the inhibitor is a mixed type inhibitor.It has promising corrosion inhibition efficiency at low concentrations.The inhibition efficiency(η) increased with increasing the concentration.The maximum inhibition efficiency appeared at 0.3 g·L-1.
【Fund】: 江西省教育厅科技(GJJ08293)项目资助
【CateGory Index】: TG174.42
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