- organic coloring matter
- 有机色素
English-Chinese chemistry dictionary (英汉化学大词典). 2013.
organic coloring matter
Look at other dictionaries:
organic pigment — noun : an insoluble coloring matter consisting essentially of a dye that is itself insoluble or has been converted into an insoluble product the expression “lakes and toners” has come to be used synonymously with organic pigments E.R.Allen… … Useful english dictionary
chromogen — Any organic coloring matter or substance capable of yielding a dye … Forensic science glossary
dye — dyable, dyeable, adj. dyer, n. /duy/, n., v., dyed, dyeing. n. 1. a coloring material or matter. 2. a liquid containing coloring matter, for imparting a particular hue to cloth, paper, etc. 3. color or hue, esp. as produced by dyeing. 4. of the… … Universalium
paint — paintable, adj. paintless, adj. /paynt/, n. 1. a substance composed of solid coloring matter suspended in a liquid medium and applied as a protective or decorative coating to various surfaces, or to canvas or other materials in producing a work… … Universalium
dye — A stain or coloring matter; a compound consisting of chromophore and auxochrome groups attached to one or more benzene rings, its color being due to the chromophore and its dyeing affinities to the auxochrome. Dyes are used for intravital… … Medical dictionary
pigment — /pig meuhnt/, n. 1. a dry insoluble substance, usually pulverized, which when suspended in a liquid vehicle becomes a paint, ink, etc. 2. a coloring matter or substance. 3. Biol. any substance whose presence in the tissues or cells of animals or… … Universalium
Flavin — For the town in France, see Flavin, Aveyron .Flavin (from Latin flavus , yellow ) is the common name for a group of organic compounds based on pteridine, formed by the tricyclic heteronuclear organic ring isoalloxazine. The biochemical source is… … Wikipedia
Color photography — Color film redirects here. For the motion picture equivalent, see Color motion picture film. A circa 1850 Hillotype photograph of a colored engraving. Long believed to be a complete fraud, recent testing found that Levi Hill s process did… … Wikipedia
Perkin , Sir William Henry — (1838–1907) British chemist Perkin was born in London, the youngest son of a builder. His interest in chemistry was aroused early by some experiments shown to him by a young friend and he was fortunate to attend the City of London School, which… … Scientists
Aniline — For other uses, see Aniline (disambiguation). Aniline … Wikipedia
litmus — /lit meuhs/, n. a blue coloring matter obtained from certain lichens, esp. Roccella tinctoria. In alkaline solution litmus turns blue, in acid solution, red: widely used as a chemical indicator. [1495 1505; earlier lytmos < ON litmosi dye moss,… … Universalium
