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Citation: NI Wen-Bin, LIU Tian-Qing, GUO Rong. Effect of SDS on the Electrochemical Oscillation of Nickel in HNO₃/Cl^-/H₂O Solution[J]. Acta Physico-Chimica Sinica, ;2006, 22(04): 502-506. doi: 10.3866/PKU.WHXB20060422 shu

Effect of SDS on the Electrochemical Oscillation of Nickel in HNO₃/Cl^-/H₂O Solution

1.
School of Chemistry and Chemical Engineering, Yangzhou University, Yangzhou 225002, P. R. China

Received Date: 9 September 2005
Available Online: 10 April 2006

The anionic surfactant SDS can control the current oscillation of nickel in 0.5 mol•L-1 HNO3/0.005 mol•L-1 Cl-/H2O system. During the current oscillation, differential capacitance and conductance oscillations are found at the nickel electrode. With the increase of SDS concentration, the amplitudes of the differential capacitance and conductance oscillations all decrease gradually. The functionary mechanism of SDS in the current oscillations and passivation processes is explained.
- Electrochemical oscillation;Impedance;Nickel;HNO3;SDS
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沈阳化工大学材料科学与工程学院沈阳 110142

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Effect of SDS on the Electrochemical Oscillation of Nickel in HNO3/Cl-/H2O Solution

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通讯作者: 陈斌, bchen63@163.com

Effect of SDS on the Electrochemical Oscillation of Nickel in HNO₃/Cl^-/H₂O Solution