Chemija / Chemistry
 ISSN 0235-7216 ISSN 2424-4538 (online) |
2008 m. Nr. 2 Electrochemical study of riboflavin adsorbed on a graphite electrode
Electrochemical redox processes of riboflavin adsorbed on a graphite electrode have been studied by cyclic voltammetry, and two separate steps for anodic oxidation of a reduced form of riboflavin have been found at a sufficiently fast potential sweep. The midpoint redox potential (–0.460 ± 0.002 V vs. SCE at pH 7.0) and the charge transfer rate constant (0.05 s–1) have been determined. Keywords: riboflavin, redox, cyclic voltammetry, graphite electrode |
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