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Physical and chemical investigations on natural dyes |
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| Authors: | S Acquaviva E D’Anna M L De Giorgi A Della?Patria P Baraldi |
| Institution: | 1. Department of Physics, University of Salento, Lecce, Italy 2. Art Diagnostic Group, C.N.R.—INO, Lecce, Italy 3. Department of Chemistry, University of Modena and Reggio Emilia, Modena, Italy |
| Abstract: | Natural dyes have been used extensively in the past for many purposes, such us to colour fibers and to produce inks, watercolours and paints, but their use declined rapidly after the discovery of synthetic colours. Nowadays we witness a renewed interest, as natural dyes are neither toxic nor polluting. |
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