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The index serves as a common reference database of manufactured colour products and is used by manufacturers and consumers, such as artists and decorators. Colorants (both dyes and pigments) are listed using a dual classification which use the Colour Index Generic Name (the prime identifier) and Colour Index Constitution Numbers.
It is a commercial orange pigment, i.e. an insoluble colorant. It is also classified as a diarylide pigment, being derived from 3,3'-dichlorobenzidine. It is closely related to Pigment Orange 13, wherein the two tolyl groups are replaced by phenyl groups. [1] Pigment Orange 34 is a popular component of artist's paints. [2]
Arsenic Pigments. Scheele's Green: yellowish-green pigment commonly used during the early to mid-19th century (AsCuHO 3); Paris Green: It was manufactured in 1814 to be a pigment to make a vibrant green paint
Pigments and paint grinding equipment believed to be between 350,000 and 400,000 years old have been reported in a cave at Twin Rivers, near Lusaka, Zambia. Ochre, iron oxide, was the first color of paint. [7] A favored blue pigment was derived from lapis lazuli. Pigments based on minerals and clays often bear the name of the city or region ...
Mars Black is an iron oxide pigment developed in the 20th century. Also known under the names of black iron oxide, magnetic oxide, Pigment Black 11, and ferrous ferric oxide (Fe 3 O 4), [1] it has no known health hazards [2] and is considered non-toxic, with an ASTM lightfastness rating of I.
The pigment is noteworthy for its vibrant, near-perfect blue color and unusually high NIR reflectance. [1] [2] The color may be adjusted by varying the In/Mn ratio in the pigment's base formula of YIn 1−x Mn x O 3, but the bluest pigment, YIn 0.8 Mn 0.2 O 3, has a color comparable to standard cobalt blue CoAl 2 O 4 pigments. [2]
The pigment is the highest volume pigment produced. [19] All major artists' pigment manufacturers produce variants of copper phthalocyanine, designated color index PB15 (blue) and color indexes PG7 and PG36 (green). A common component on the artist's palette, phthalo blue is a cool blue with a bias towards green.
Pigments are solid particles or flakes incorporated in the paint, usually to contribute color to the paint film. Pigments impart color by selective absorption of certain wavelengths of light and/or by scattering or reflecting light. The particle size of the pigment is critical to the light-scattering mechanism.
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