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Citation: Wu Wanqun, Wang Yuefeng, Fan Li, Wang Guangrong, Li Kunlan, Liu Qin. Electrocatalytic Effect of Polyaniline Film Electrode Modified by Platinum Microparticles on Oxidation of Formaldehyde[J]. Chinese Journal of Applied Chemistry, ;1995, 12(1): 68-72. shu

Electrocatalytic Effect of Polyaniline Film Electrode Modified by Platinum Microparticles on Oxidation of Formaldehyde

1.
Department of Chemistry, Southwest China Teacher's University, Chongqing 6307153

Received Date: 14 March 1994
Available Online: 3 June 1994
Fund Project:

The polyaniline film electrodes incorporated with platinum microparticles by cyclic potential sweep were prepared and the electrocatalytic activity and stability were studied on oxidation of formaldehyde in 0.5mol/L H₂SO₄.The electrodes which combine both electroac-tivity and catalytic activity exhibit a very high electrocatalytic activity for oxidation of formaldehyde in aqueous acidic solution.The catalytic currents at the platinum microparticle modified polyaniline electrode were ten times larger than those at naked platinum electrode.The catalytic activity depends strongly on the size,distribution and amount of the loaded platinum microparticles, as well as on the concentration of formaldehyde and the electrode material.
- platinum microparticle,
- polyaniline,
- formaldehyde,
- electrocatalytic oxidation
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