Abstract
We propose a kinetic scheme for reduction of methylene blue by ascorbic acid, characterized by the existence of two pathways: outer-sphere reduction of methylene blue according to a second-order reaction, and reduction through formation of a 1∶1 complex with ascorbic acid.
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Translated from Teoreticheskaya i Éksperimental'naya Khimiya, Vol. 29, No. 5, pp. 424–429, September–October, 1993.
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Strizhak, P.E. Kinetics of oxidation of ascorbic acid by methylene blue in acid solutions. Theor Exp Chem 29, 283–286 (1994). https://doi.org/10.1007/BF00531462
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DOI: https://doi.org/10.1007/BF00531462