The main chemical constituent of the Tyrian
Page 1 of 1
The main chemical constituent of the Tyrian
The main chemical constituent of the Tyrian dye was discovered by Paul Friedländer in 1909 to be 6,6′-dibromoindigo, a substance that had previously been synthesized in 1903. The dye was thus shown to be an organobromine compound.[18][19] However, it has never been synthesized commercially.[20][21]
In 1998, through a lengthy trial and error process, an English engineer named John Edmonds rediscovered the secret of how to dye Tyrian purple.[22][23] He researched recipes and observations of dyers from the 15th century to the 18th century. He explored the biotechnology process behind woad fermentation. After collaborating with a chemist, Edmonds hypothesized that an alkaline fermenting vat was necessary. He studied an incomplete ancient recipe for Tyrian purple recorded by Pliny the Elder. By altering the percentage of sea salt in the dye vat and adding potash, he was able to successfully dye wool a deep purple colour.[24]
Vector Clipart
IT Problems
In 1998, through a lengthy trial and error process, an English engineer named John Edmonds rediscovered the secret of how to dye Tyrian purple.[22][23] He researched recipes and observations of dyers from the 15th century to the 18th century. He explored the biotechnology process behind woad fermentation. After collaborating with a chemist, Edmonds hypothesized that an alkaline fermenting vat was necessary. He studied an incomplete ancient recipe for Tyrian purple recorded by Pliny the Elder. By altering the percentage of sea salt in the dye vat and adding potash, he was able to successfully dye wool a deep purple colour.[24]
Vector Clipart
IT Problems
jancancook- Master of the Paranormal
-
Number of posts : 468
Age : 39
Location : Viet Nam
Registration date : 2011-02-15
Similar topics
» On February 22, the main Satsuma army arrived and attacked
» The chemical structure of the pigment
» 14 dead in Chinese chemical plant explosion
» The chemical structure of the pigment
» 14 dead in Chinese chemical plant explosion
Page 1 of 1
Permissions in this forum:
You cannot reply to topics in this forum