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Monday, December 18, 2006

Indigo

Indigo is among the oldest dyes to be used for textile dyeing and printing. Many Asian countries, such as India, China, and Japan, have used indigo as a dye for centuries. The dye was also known to ancient civilizations in Egypt, Greece, Rome, Britain, Peru, and Africa.World consumption of indigo in the 1800s was very large indeed, so in 1866 a German chemist named Adolph von Baeyer began his studies of the pigment and eventually elucidated its chemical structure so that it could be synthesized commercially.At the end of the 19th century, Germany was able to produce synthetic indigotine cheaper than the natural dyestuff, and thus Germany then took charge of supplying indigo.


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