Titlebook: Advanced Systems-Level Problem Solving, Volume 3; Manual of Dialectica Otto Laske Book 2023Latest edition The Editor(s) (if applicable) and

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ing colour and dyeing properties with chemical composition emerged as more and more dyes were discovered. Thus, in 1868 it was suggested that colour was associated with unsaturation, since all the then known synthetic dyes could be decolorised by reduction (Graebe and Liebermann, 1868). This view wa

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