leuco dye

leuco dye
leukodažiklis statusas T sritis chemija apibrėžtis Bespalvė tirpi leukobazė, kuri oksiduojama ant dažomos medžiagos virsta spalvotu junginiu. atitikmenys: angl. leuco dye; vat dye rus. лейкокраситель

Chemijos terminų aiškinamasis žodynas – 2-asis patais. ir papild. leid. – Vilnius: Mokslo ir enciklopedijų leidybos institutas. . 2003.

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  • Leuco dye — A leuco dye is a dye whose molecules can acquire two forms, one of which is colorless.For example, the spiro form of an oxazine is a colorless leuco dye; the conjugated system of the oxazine and another aromatic part of the molecule is separated… …   Wikipedia

  • leuco base — noun Etymology: International Scientific Vocabulary leuco + base : a colorless or weakly colored amine that is formed by reduction of a dye (as a triphenylmethane dye) or its carbinol derivative and that on oxidation and treatment with acids… …   Useful english dictionary

  • Dye — For other uses, see Dye (disambiguation). Yarn drying after being dyed in the early American tradition, at Conner Prairie living history museum. A dye is a colored substance that has an affinity to the substrate to which it …   Wikipedia

  • leuco ester — noun : a water soluble sodium salt of the sulfuric acid ester of the leuco compound of a vat dye that is applied to textiles and then oxidized in acid solution to the corresponding vat dye compare dye table I …   Useful english dictionary

  • leuco base — /looh koh/, Chem. a noncolored or slightly colored compound that is produced by reducing a dye and is readily oxidized to regenerate the dye. [1885 90; independent use of LEUCO ] * * * …   Universalium

  • leuco form — noun The colorless form of a dye created as a result of its insoluble form interacting with an alkaline liquor. Color returns to the dye upon oxidation …   Wiktionary

  • leuco base — /lukoʊ ˈbeɪs/ (say loohkoh bays) noun a colourless or slightly coloured compound made by reducing a dye and which is readily oxidised to regenerate the dye …  

  • dye base — noun : an organic base that is itself a dye or that with acids forms salts which are dyes called also color base; compare leuco base …   Useful english dictionary

  • leuco-base — leuˈco base or leuˈco compound noun A colourless reduction product of a dye that can be converted back to the dye by oxidation • • • Main Entry: ↑leuc …   Useful english dictionary

  • leuco-compound — leuˈco base or leuˈco compound noun A colourless reduction product of a dye that can be converted back to the dye by oxidation • • • Main Entry: ↑leuc …   Useful english dictionary

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