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Synthetic colorants are those created in a laboratory or industrial setting. The production and improvement of colorants was a driver of the early synthetic chemical industry, in fact many of today's largest chemical producers started as dye-works in the late 19th or early 20th centuries, including Bayer AG (1863). [ 2 ]
Wider societal terms that do not have a specific sociological nature about them should be added to social concepts in keeping with the WikiProject Sociology scope for the subject. Contents Top
Mauveine or aniline purple was the first synthetic organic chemical dye. [28] [29] mignonette Same as weld. mordant A mordant is a chemical used in combination with dye to "fix" the color in the textile fibers. By using different mordants, dyers can often obtain a variety of colors and shades from the same dye. [30] munjeet Same as Indian madder
Classical sculptures were originally painted in colors. Ancient Greek and Roman sculptures were originally painted in colors; they appear white today only because the original pigments have deteriorated. Some well-preserved statues still bear traces of their original coloration.
Chemical free (also chemical-free) is a term used in marketing to imply that a product is safe, healthy or environmentally friendly because it only contains natural ingredients. [1] The term is a misnomer, as all substances and objects are composed entirely of chemicals and energy.
The Free Library has a separate homepage. It is a free reference website that offers full-text versions of classic literary works by hundreds of authors. It is also a news aggregator, offering articles from a large collection of periodicals containing over four million articles dating back to 1984. Newly published articles are added to the site ...
The following outline is provided as an overview of and topical guide to the discipline of sociology: . Sociology – the study of society [1] using various methods of empirical investigation [2] and critical analysis [3] to understand human social activity, from the micro level of individual agency and interaction to the macro level of systems and social structure.
A color term (or color name) is a word or phrase that refers to a specific color. The color term may refer to human perception of that color (which is affected by visual context) which is usually defined according to the Munsell color system , or to an underlying physical property (such as a specific wavelength of visible light ).