STUDY ON THE ELECTROREDUCTION OF [Ag(IO6)2]7- AND [Cu(IO6)2]7- BY THIN LAYER SPECTROELECTROCHEMICAL METHOD

Chinese Journal of Applied Chemistry ›› 1989, Vol. 0 ›› Issue (2): 92-94.

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STUDY ON THE ELECTROREDUCTION OF [Ag(IO₆)₂]^7- AND [Cu(IO₆)₂]^7- BY THIN LAYER SPECTROELECTROCHEMICAL METHOD

Li Haiying, Yu Zhangyu, Gu Dengping

Department of Chemistry, Hebei Normal University, Shijiazhuang

Received:1988-04-25 Revised:1988-08-16 Published:1989-04-10 Online:1989-04-10

Abstract

Abstract: The reduction of [Ag(IO₆ )₂]^7- at an Au minigrid electrode was studied by using thinlayer spectroelectrochemical method.The reaction was found to proceed in two steps,namely:Ag(Ⅲ) →Ag(Ⅰ) and Ag(Ⅰ) →Ag(0). From the measured formal redox potential E⁰' atvarious pH a linear equation was obtained: E⁰' = 1.611 - 0.086pH (V vs SCE). The reduc-tion of copper complex was studied in the same way.

Key words: Thin layer spectroelectrochemistry, Complex ion of silver (Ⅲ), Complex ion of copper (Ⅲ)

Li Haiying, Yu Zhangyu, Gu Dengping. STUDY ON THE ELECTROREDUCTION OF [Ag(IO₆)₂]^7- AND [Cu(IO₆)₂]^7- BY THIN LAYER SPECTROELECTROCHEMICAL METHOD[J]. Chinese Journal of Applied Chemistry, 1989, 0(2): 92-94.

STUDY ON THE ELECTROREDUCTION OF [Ag(IO₆)₂]^7- AND [Cu(IO₆)₂]^7- BY THIN LAYER SPECTROELECTROCHEMICAL METHOD

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