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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
Patent Blue V is banned as a food dye in Australia and US, because health officials in these countries suspect that it may cause allergic reactions, with symptoms ranging from itching [5] and nettle rash to nausea, hypotension, and in rare cases anaphylactic shock; it is therefore not recommended in those countries for children.
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
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 ).
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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.