color yield of pigments

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• Color — This article is about the perceptual property. For other uses, see Color (disambiguation). For usage of color on Wikipedia, see Wikipedia:Colors. Colored pencils Color or colour (see spelling differences) is the visual perceptual property… …   Wikipedia

• Additive color — An additive color model involves light emitted directly from a source or illuminant of some sort. The additive reproduction process usually uses red, green and blue light to produce the other colors. See also RGB color model. Combining one of… …   Wikipedia

• CIE 1931 color space — In the study of color perception, one of the first mathematically defined color spaces is the CIE 1931 XYZ color space, created by the International Commission on Illumination (CIE) in 1931.[1][2] The CIE XYZ color space was derived from a series …   Wikipedia

• test — 1. To prove; to try a substance; to determine the chemical nature of a substance by means of reagents. 2. A method of examination, as to determine the presence or absence of a definite disease or of some substance in any of the fluids, tissues,… …   Medical dictionary

• 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

• Photosynthesis — Composite image showing the global distribution of photosynthesis, including both oceanic phytoplankton and vegetation …   Wikipedia

• Pigment — For the drug referred to as pigment, see black tar heroin. Natural ultramarine pigment in powdered form …   Wikipedia

• 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

• Han Purple and Han Blue — Infobox Color|title=Han Purple|textcolor=white hex=5218FA r= 82|g= 24|b=250 c= |m= |y= |k= h= 260|s= 97|v= 47 source= [http://images.google.com/imgres?imgurl=http://www.spacedaily.com/images/microscopic han purple sm.jpg… …   Wikipedia

• Han purple and Han blue — (also called Chinese purple and Chinese blue) are synthetic barium copper silicate pigments that were developed in China at least 2,000 years ago. Han purple and Han blue were used in ancient and imperial China from the Western Zhou period (1207… …   Wikipedia

• coloration — colorational, adj. colorationally, adv. /kul euh ray sheuhn/, n. appearance with regard to color arrangement or use of colors; coloring: the bold coloration of some birds. [1605 15; COLOR + ATION] * * * ▪ biology Introduction       in biology,… …   Universalium