Reductive reaction mechanisms of the azo dye Orange II in aqueous solution and in cellulose: from radical intermediates to products.

Abstract

Reductive reaction mechanisms of the azo dye Orange II (Acid Orange 7) in aqueous solution have been studied from radical intermediates through to the final products using a combination of nanosecond time-resolved UV-visible absorption spectroscopy, steady-state photolysis, and HPLC techniques. The dye is reduced by photochemically produced 2-hydroxy-2… (More)
DOI: 10.1021/jp9021147

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