Difference between revisions of "Cudbear"
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== Description == | == Description == | ||
| − | A violet color natural dye obtained from lichens. Cudbear in the name given to the dye by a Scottish chemist, C. Gordon after he discovered, then patented, the process for making it in the 18th century. Previously, the dye, [[archil]], had been produced in Italy by a secret process for several hundred years. Cudbear is the source of litmus dye. | + | A violet color natural dye obtained from [[lichen|lichens]]. Cudbear in the name given to the dye by a Scottish chemist, C. Gordon after he discovered, then patented, the process for making it in the 18th century. Previously, the dye, [[archil]], had been produced in Italy by a secret process for several hundred years. Cudbear is the source of [[litmus]] dye. |
[[Category:Materials database]] | [[Category:Materials database]] | ||
Latest revision as of 08:35, 28 October 2020
Description
A violet color natural dye obtained from lichens. Cudbear in the name given to the dye by a Scottish chemist, C. Gordon after he discovered, then patented, the process for making it in the 18th century. Previously, the dye, Archil, had been produced in Italy by a secret process for several hundred years. Cudbear is the source of Litmus dye.