In Situ FTIR Reflection Spectroscopic Studies of Adsorption and Oxidation of Ethylene Glycol on Platinum Electrode(Ⅱ)──Alkaline Media

Chem. J. Chinese Universities ›› 1994, Vol. 15 ›› Issue (4): 548.

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In Situ FTIR Reflection Spectroscopic Studies of Adsorption and Oxidation of Ethylene Glycol on Platinum Electrode(Ⅱ)──Alkaline Media

CHEN Ai-Cheng, SUN Shi-Gang

State Key Lab. for Phys. Chem. of the Solid Surf., Chem. Dept., Xiamen Univ., Xiamen, 361005

Received:1993-07-15 Revised:1993-11-25 Online:1994-04-24 Published:1994-04-24

Abstract

Abstract: The electrooxidation of ethylene glycol (EG) in alkaline media has been investigated with in situ FTIRspectroscopy and cyclic voltammetry.The main products such as CO₂ and were detected clearly.Besides CH₂OHCOO^- and ^-OOC-COO^- species, a new intermediate, (with its IR absorption band at 2027cm^-1 in 0.1 mol/Land at 2036 cm^-1 in 0.05 mol/L NaOH solution), was determined and a possible mechanism to form this intermediate was proposed.

Key words: Ethylene glycol, Electrooxidation, Pt electrode, Alkaline media, In situ FTIR

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CHEN Ai-Cheng, SUN Shi-Gang. In Situ FTIR Reflection Spectroscopic Studies of Adsorption and Oxidation of Ethylene Glycol on Platinum Electrode(Ⅱ)──Alkaline Media[J]. Chem. J. Chinese Universities, 1994, 15(4): 548.

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In Situ FTIR Reflection Spectroscopic Studies of Adsorption and Oxidation of Ethylene Glycol on Platinum Electrode(Ⅱ)──Alkaline Media

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