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研究论文

Cd(Ⅱ)在DMSO中的电还原及其与香豆素衍生物的配位作用

  • 宋继国 ,
  • 宋化灿 ,
  • 杨绮琴 ,
  • 陈义文 ,
  • 许遵乐
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  • 中山大学化学与化学工程学院,中山大学化学与化学工程学院,中山大学化学与化学工程学院,中山大学化学与化学工程学院,中山大学化学与化学工程学院 广东广州510275 ,广东广州510275 ,广东广州510275 ,广东广州510275 ,广东广州510275

收稿日期: 2003-02-28

  修回日期: 2003-02-28

  网络出版日期: 2003-02-28

Electroreduction of Cd(Ⅱ) in DMSO and Complexation of Cd(Ⅱ) with Coumarin Derivates

  • SONG Ji_guo ,
  • SONG Hua_can ,
  • YANG Qi_qin ,
  • CHEN Yi_wen ,
  • XU Zun_le
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  • (School of Chem. and Chem.Eng.,Zhongshan University, Guangzhou 510275,China)

Received date: 2003-02-28

  Revised date: 2003-02-28

  Online published: 2003-02-28

摘要

合成容易脱水的对甲苯磺酸镉,首次用于有机溶剂中的电化学研究.Cd( )在Cd(p-CH3C6H4SO3)2+TBAP+DMSO中Pt电极上还原时,首先出现镉的欠电位沉积,然后电沉积镉.4-甲基-7-羟基香豆素、3-氨基香豆素与镉离子配位,使镉离子的还原电位向负方移动.

本文引用格式

宋继国 , 宋化灿 , 杨绮琴 , 陈义文 , 许遵乐 . Cd(Ⅱ)在DMSO中的电还原及其与香豆素衍生物的配位作用[J]. 电化学, 2003 , 9(1) : 104 -107 . DOI: 10.61558/2993-074X.1493

Abstract

Cadmium p_toluenesulfonate was synthesized and tested electrochemically for the first time. This salt can lose all the hydrated water easily and the dehydrated salt do not deliquesce in the air.Hence,the cadmium p_toluenesulfonate is suitable for the electrochemical studies in organic solvents.When the Cd(Ⅱ) reduced on Pt electrode in Cd(pCH3C6H4SO3)2+TBAP+DMSO, underpotential deposition of cadmium occurred at first, and then cadmium deposited. 4_Methyl_7_hydroxylcoumarin and 3_aminocoumarin coordinate with Cd(Ⅱ) respectively, as a result the reductive potentials of Cd(Ⅱ) moved to the negative direction.
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