Congo color

Congo color
any of a group of azo dyes derived from benzidine that will dye cotton and other vegetable fibers without the aid of a mordant. Also called Congo dye.

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Universalium. 2010.

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  • Congo color — Chem. any of a group of azo dyes derived from benzidine that will dye cotton and other vegetable fibers without the aid of a mordant. Also called Congo dye. * * * Congo color or Congo dye, any one of a group of direct azo dyes, usually derived… …   Useful english dictionary

  • Congo dye — or Congo color n. any of certain azo dyes, derived mainly from benzidine * * * …   Universalium

  • Congo dye — or Congo color n. any of certain azo dyes, derived mainly from benzidine …   English World dictionary

  • congo dye — noun Usage: usually capitalized C : any of a group of direct azo dyes most of which are derivatives of benzidine see dye table I * * * Congo color or Congo dye, any one of a group of direct azo dyes, usually derived from benzidine …   Useful english dictionary

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