Publicação: Electrochemical reduction of disperse orange 1 textile dye at a boron-doped diamond electrode
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Springer
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Resumo
Electrochemical reduction of the azo dye disperse orange 1 (DO1) was performed by square wave and cyclic voltammetry using a boron-doped diamond electrode. The dissolution of DO1 was evaluated by monitoring the UV-Vis spectra of the solutions, and best results were obtained using aqueous solutions containing 5 % Fongranal FB dispersant. Three irreversible peaks were obtained for the electrochemical reduction of DO1, while the dispersant showed one irreversible peak. The overall electrodic process was mainly diffusion controlled. A mechanism is proposed for the reduction of the dye.
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Azo dyes, Dispersants, Diamond electrodes, Aromatic amines
Idioma
Inglês
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Journal of Applied Electrochemistry. Dordrecht: Springer, v. 42, n. 5, p. 297-304, 2012.
