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Citation: Song Ji-Guo, Song Hua-Can, Yang Qi-Qin, Xu Zun-Le. Electoreduction of Cu(II) in Cu (p-CH₃C₆H₄SO₃)₂＋DMSO[J]. Acta Physico-Chimica Sinica, ;2003, 19(03): 283-285. doi: 10.3866/PKU.WHXB20030322 shu

Electoreduction of Cu(II) in Cu (p-CH₃C₆H₄SO₃)₂＋DMSO

1.
Department of Chemistry and Chemical Engineering, Zhongshan University, Guangzhou　510275

Received Date: 2 July 2002
Available Online: 15 March 2003

Copper p-toluenesulfonate was synthesized and has been applied to the electrochemical test for the first time. This salt can lose all its hydrated water easily and the dehydrated salt does not deliquesce in air. Hence, the copper p-toluenesulfonate is suitable to the electrochemical studies in organic solvents. The cyclic voltammetry, chronoamperometry and potential-time curve after galvanostatic electrolysis were used to study the electro-reduction of Cu(II) on Pt electrode in Cu (p-CH3C6H4SO3)2＋TBAP＋DMSO. The electro-reduction of Cu (II) to Cu proceeds by two steps: Cu (II)＋e = Cu (I), Cu (I)＋e = Cu. The first step is reversible. The diffusion coefficient of Cu(II) in DMSO is determined as 1.0×10－6 cm2•s－1 at 301 K.
- Copper p-toluenesulfonate;DMSO;Cu (II);Electroreduction;Diffusion coefficient
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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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Electoreduction of Cu(II) in Cu (p-CH3C6H4SO3)2＋DMSO

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通讯作者: 陈斌, bchen63@163.com

Electoreduction of Cu(II) in Cu (p-CH₃C₆H₄SO₃)₂＋DMSO