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Bulletin of the Korean Chemical Society (BKCS)

ISSN 0253-2964(Print)
ISSN 1229-5949(Online)
Volume 26, Number 6
BKCSDE 26(6)
June 20, 2005

Title	Indirect Electrochemical Oxidation of Phenol by Ce⁴⁺, Controlling Surface Insulation of Au Electrode
Author	Myoungho Pyo*, Il-Shik Moon
Keywords	Electrochemical oxidation, Phenol, Electroactivity, Surface
Abstract	Indirect electrochemical oxidation of phenol by Ce⁴⁺ was investigated in sulfuric acid solutions. It was found that electrode fouling during oxidation of phenol can be controlled by adjusting the time interval (TI) of double potential steps (DPSs). While the electroactivity was greatly decreased after several DPSs of a relatively long TI, repeated DPSs with a short potential pulse showed substantial amounts of electroactivity after a few hundreds or thousands DPS, suggesting that the formation of an insulating layer can be controlled by adjusting a potential program. Effectiveness of the consecutive application of DPSs for phenol decomposition was confirmed by GC-MS.
Page	899 - 0
Full Text	PDF

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