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Title: Electrochemical oxidation of 8-methylxanthine at stationary pyrolytic graphite electrode
Authors: Goyal, R N
Kumar, Anoop
Issue Date: Nov-1989
Publisher: NISCAIR-CSIR, India
Abstract: Electrochemical oxidation of 8-methylxanthine has been investigated in phosphate buffers of pH range (1.35-10.71) using various techniques such as linear and cyclic sweep voltammetry, coulometry, controlled potential electrolysis and spectral studies. Linear and cyclic sweep voltammetry of 8-methylxanthine exhibit one well-defined 2e, 2H+ oxidation peak (Ia). The first order rate constant for the disappearance of UV absorbing intermediate has been calculated. The products of controlled potential electrolysis have been separated in the pH range (1.35-4.57) and identified as alloxan and acetamidine. A tentative mechanism has been proposed to account for the observed experimental results.
Page(s): 949-952
ISSN: 0975-0975(Online); 0376-4710(Print)
Appears in Collections:IJC-A Vol.28A(11) [November 1989]

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