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Indigo, used as a dye, made its way to the Greeks and the Romans, where it was valued as a luxury product. [10] In Mesopotamia, a neo-Babylonian cuneiform tablet of the seventh century BC gives a recipe for the dyeing of wool, where lapis-colored wool (uqnatu) is produced by repeated immersion and airing of the cloth. [11]
In medieval Europe, purple, violet, murrey and similar colors were produced by dyeing wool with woad or indigo in the fleece and then piece-dyeing the woven cloth with red dyes, either the common madder or the luxury dyes kermes and cochineal. Madder could also produce purples when used with alum.
An oriental rug is a heavy textile made for a wide variety of utilitarian and symbolic purposes and produced in "Oriental countries" for home use, local sale, and export. Oriental carpets can be pile woven or flat woven without pile, [1] using various materials such as silk, wool, cotton, jute and animal hair. [2]
Although almost all dyeing can be done in a vat, the term vat dye is used to describe a chemical class of dyes that are applied to cellulosic fibre (i.e., cotton) using a redox reaction as described below. Because of the use of caustic soda, and the very high pH of the dye bath in the dyeing process, wool cannot be dyed using vat dyestuffs.
Pages in category "Indigo dye production" The following 18 pages are in this category, out of 18 total. This list may not reflect recent changes. C. Champaran ...
Most producers make their rugs on foot pedal looms using wool dyed with natural materials such as indigo and the cochineal bug. [12] Rugs are also produced in Mitla, Santa Ana del Valle and Tlacolula de Matamoros along with blankets and a type of sarape. [10] One distinguishing feature of Oaxaca rug production is the use of the cochineal insect.
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Saxon blue or Saxony blue is an 18th century dye made from a solution of indigo in concentrated sulfuric acid. Saxon green Saxon green or Saxony green is a bright green dye of the 18th century produced using indigo and fustic. substantive Substantive dyes are dyes that produce color without the use of a mordant. [2] Examples include indigo dye ...