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Citation: Xu Hai-Bo, Lin Hai-Chao, Yu Jia-Kang. SERS Study of Adsorption and Condensation Reaction of Urea on Silver Electrode[J]. Acta Physico-Chimica Sinica, ;1997, 13(12): 1119-1122. doi: 10.3866/PKU.WHXB19971212 shu

SERS Study of Adsorption and Condensation Reaction of Urea on Silver Electrode

1.
The State Key Laboratory for Corrosion and Protection of Metals,Institute of Corrosion and Protection of Metals,Academic Sinica,Shenyang 110015

Received Date: 10 March 1997
Available Online: 15 December 1997

Adsorption behavior of urea on silver electrode and the influence of thiourea on its adsorption in sulphuric acid solution were investigated by polarization curves and Surface Enhanced Raman Spectroscopy. Urea was found to under a condensation reaction on roughened silver electrode. Biuret was the condensation compound, and was adsorbed in the protonated form on the silver surface. Obvious synergistic mechanism between thiourea and protonated biuret was proposed.
- SERS,
- Ure,
- Biuret,
- Condensation reaction
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