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- Turkey red is a dyeing method that was widely used to give cotton a distinctive bright red colour in the 18th and 19th centuries. It was made using the...7 KB (927 words) - 19:01, 24 May 2024
- process artificial chemical dyes (aniline) like alizarine red, napthol and indigo are used to obtain the red, blue and other colour effects. It takes 10 to...8 KB (942 words) - 12:02, 9 August 2024
Alizarine yellow may refer to: Alizarine Yellow R Alizarine Yellow 2G Gallacetophenone, also called also Alizarine Yellow C This set index article lists...433 bytes (52 words) - 07:10, 12 March 2021
Rubia tinctorum (redirect from Madder red)pigment is alizarin, of the anthraquinone-group, and was used to make the alizarine ink in 1855 by Professor Leonhardi of Dresden, Germany. In 1869, the German...10 KB (1,181 words) - 17:35, 22 June 2024
Alizarin Red S (also known as C.I. Mordant Red 3, Alizarin Carmine, and C.I 58005.) is a water-soluble sodium salt of Alizarin sulfonic acid with a chemical...6 KB (372 words) - 18:39, 24 August 2024
Alizarin crimson (color) (redirect from Alizarine crimson (color))Alizarin crimson is a shade of red that is biased slightly more towards purple than towards orange on the color wheel and has a blue undertone. It is...2 KB (207 words) - 00:49, 2 October 2024- of the species is colorless, whereas in other indicators, such as methyl red, both species confer a color. While pH indicators work efficiently at their...19 KB (1,670 words) - 15:01, 3 November 2024
however foreign competition was not non-extant, for example the British Alizarine Company Ltd. In 1858 Peter Griess passed ‘nitrous fumes’ (N2O3) into a...34 KB (4,204 words) - 19:28, 23 November 2024
Alchornea cordifolia (category IUCN Red List least concern species)gentisic acid, anthranilic acid, protocatechuic acid, and ellagic acid (alizarine yellow). A C20 homolog of vernolic acid named alchornoic acid can be found...3 KB (254 words) - 18:49, 27 August 2023
handkerchiefs, and scarves, all articles for which bright colours are in demand. Alizarine and other mordant colours are mainly used for any goods that have to resist...33 KB (4,668 words) - 20:23, 17 November 2024
food colors fall in this category. Examples of acid dye are Alizarine Pure Blue B, Acid red 88, etc. Basic dyes are water-soluble cationic dyes that are...23 KB (2,764 words) - 21:31, 10 November 2024- phthalocyanine 1330-38-7 Ellagic acid Alizarine yellow 75270 natural 476-66-4 Eosin B Eosine bluish Imperial red Acid red 91 45400 fluorone 548-24-3 Eosin...49 KB (67 words) - 00:03, 20 November 2024
cheroot-producing areas. Until the discovery of artificial aniline and alizarine dyes, Madras possessed a thriving vegetable dye manufacturing industry...127 KB (13,539 words) - 00:02, 20 November 2024
- same persons, October 5, 1869, for an 'improved process of preparing alizarine.' It was reissued on two separate amended specifications, Division A and