Dye

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https://term.museum-digital.de/md-de/tag/4894
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"A dye is a coloured substance that chemically bonds to the substrate to which it is being applied. This distinguishes dyes from pigments which do not chemically bind to the material they colour. The dye is generally applied in an aqueous solution, and may require a mordant to improve the fastness of the dye on the fiber.

Both dyes and pigments are colored, because they absorb only some wavelengths of visible light. Dyes are usually soluble in water whereas pigments are insoluble. Some dyes can be rendered insoluble with the addition of salt to produce a lake pigment." - (en.wikipedia.org 01.03.2020)
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  • Geheimversteck von Ampullen in einer Bürste

    Geheimversteck von Ampullen in einer Bürste

    Bürste mit geheimer Nachricht...

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    Image: SBG gGmbH - CC BY-NC-SA

  • Natürliches Indigo

    Natürliches Indigo

    Natürliches Indigo von der...

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    Image: Drilandmuseum - CC BY-NC-SA

  • Siriusfarbstoffe

    Siriusfarbstoffe

    Deutsche Werkstelle für...

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    Image: Gerda und Klaus Tschira Stiftung - CC BY-NC-ND

  • Augenspinner, Automeris belti

    Augenspinner, Automeris belti

    Der Augenspinner zeigt...

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    Image: Museum für Naturkunde Chemnitz - CC BY-NC-ND

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