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indigotin
indigotin Chem. (ˈɪndɪgəʊtɪn) [f. indigo + t euphonic (cf. agiotage) + -in.] = indigo-blue.1838 Penny Cycl. XII. 460/1 When common indigo has been treated with dilute acids, alkalis, and alcohol, the remainder is indigo-blue, or indigotin, or indigo nearly in a state of purity. 1874 Schorlemmer Org....
Oxford English Dictionary
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Indigofera tinctoria
They are soaked in water and fermented in order to convert the glycoside indican naturally present in the plant to the blue dye indigotin.
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indigotic
indigotic, a. (ɪndɪˈgɒtɪk) [f. as indigotin + -ic.] Of, pertaining to, or produced from indigo; indigotic acid, C7H5(NO2)O3, prepared by treating indigotin with oxidizing agents; = anilic acid.1838 T. Thomson Chem. Org. Bodies 141 Indigotic acid has been given in the Chemistry of Inorganic bodies. 1...
Oxford English Dictionary
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William Popplewell Bloxam
He then moved to Bihar to work on the chemistry of indigo production and the extraction of indigotin.
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indigoid
indigoid, a. (n.) (ˈɪndɪgɔɪd) [a. G. indigoid (P. Friedländer 1908, in Ber. d. Deut. Chem. Ges. XLI. 773): see indigo n. (a) and -oid.] Of a dye: similar to indigotin in chemical structure, spec. in having another atom or atoms, esp. of sulphur, in place of one or both of the imino-groups. Hence as ...
Oxford English Dictionary
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Caftan (Metropolitan Museum of Art)
It is no longer possible to determine with certainty what colors were used; likely, the designs were originally dark blue from an indigotin-bearing plant
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indigo-white
indigo-white Chem. Reduced or deoxidized indigo, C16H12N2O2, also called leucindigo, a white crystalline powder produced by subjecting commercial indigo to the action of a reducing agent, as an alkaline fluid; it is re-converted by oxidation to indigo-blue. Formerly supposed to exist ready-formed in...
Oxford English Dictionary
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Anshun
Then, the cloth will be dipped dyeing in the indigotin. Finally, the patterns will be white shapes on a blue ground.
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thioindigo
thioindigo (θaɪəʊˈɪndɪgəʊ) [f. thio- + indigo n. (a.).] A red vat dye in which the two imino groups of indigotin are replaced by sulphur atoms; also, any of various derivatives of this also used as dyes.1906 Textile Colorist XXVIII. 321/1 Messrs. Kalle & Co., Aktiengesellschaft, have placed upon the...
Oxford English Dictionary
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Hexaplex trunculus
One of the dye's main chemical ingredients is red dibromo-indigotin, the main component of tyrian purple or tekhelet.
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indigo-blue
indigo-blue, n. and a. A. n. 1. The blue-violet colour of indigo.1712 E. Cooke Voy. S. Sea 329 The Back of an Indigo Blew. 1796 Kirwan Elem. Min. (ed. 2) I. 27 [Colours] Indigo blue—the deepest, nearly black. 1860 Tyndall Glac. i. xxvii. 196 They appeared of a decided indigo-blue. 1879 O. N. Rood Ch...
Oxford English Dictionary
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Cas(482-89-3), 靛蓝-阿拉丁试剂, 靛兰(1),还原蓝1#,Indigotin,
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Brilliant blue FCF
In a 1979 clinical trial of patients with perennial asthma, brilliant blue FCF, tested alongside two other non-azobenzene dyes (Erythrosine & Indigotin But, a case study of a 55-year-old man in 1996 reporting occupational asthma when exposed to Indigotine (a derivative of Indigotin) at work found reduced
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Huaca Prieta
Analysis of the pigment used on the cloth identified it as indigotin, an indigoid dye.
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Blue Quran
The signature blue color of the parchment came from an indigo dye that was derived from an indigotin-bearing plant material, either Indian Indigo or woad
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