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Citation: XU Qun-Jie, ZHOU Guo-Ding, LU Zhu, TIAN Zhong-Qun, LIN Chang-Jian. SERS Studies of Corrosion Inhibition of BTA and Its Derivative on Copper Electrodes in NaCl Solution[J]. Chinese Journal of Applied Chemistry, ;2002, 19(4): 390-392. shu

SERS Studies of Corrosion Inhibition of BTA and Its Derivative on Copper Electrodes in NaCl Solution

1.
a Electrochemical Research Group, Shanghai University of Electric Power, Shanghai 200090;
2.
b Corrosion Prevension Center, East China University of Science and Technology, Shanghai;
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c State Key Laboratory of Physicial Chemistry for Solid Surfaces, Xiamen University, Xiamen

Corresponding author: XU Qun-Jie,
Received Date: 17 May 2001
Available Online: 28 December 2001
Fund Project: 国家自然科学基金(29876008) (29876008)

Corrosion inhibition of benzotriazole(BTA) and its derivative CBTME on Cu in 3%NaCl solution was studied by SERS technique. The inhibition mechanism for BTA and CBTME on copper corrosion in the solution was found to be similar each other, by which a protective film is formed through the triazole ring. The substituent group (-COOCH₃) of CBTME plays the role in the inhibition effect due to steric hindrance. A combination of BTA and CBTME showed a synergistic effect and the inhibition mechanism remained the same as individual species.
- Cu electrode,
- inhibitor,
- BTA,
- benzotriazole derivative
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