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Study of the Direct Red 81 Dye/Copper(II)-Phenanthroline System

Recovered papers contain several chromophores, such as wood lignin and dyes. These have to be eliminated during paper recycling in order to produce white paper. Hydrogen peroxide under alkaline conditions is generally used to decolorize lignin, but its effect on dyes is limited. Copper(II)-phenanthr...

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Autori principali: Elsa Walger, Nathalie Marlin, Florian Molton, Gérard Mortha
Natura: Artigo
Lingua:Inglês
Pubblicazione: MDPI AG 2018-01-01
Serie:Molecules
Soggetti:
Direct Red 81 azo dye
copper(II)-phenanthroline
UV-vis spectroscopy
coordination
EPR spectroscopy
speciation simulation
color-stripping
Accesso online:http://www.mdpi.com/1420-3049/23/2/242
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