Directory
References
Discover
yellow flavine
dye
Learn about this topic in these articles:
source
- In quercitron bark
…crude quercetin known commercially as yellow flavine. A second variety, known as red flavine, is deposited when an extract of the bark is digested at the boil with dilute acid. These products are used to dye wool mordanted (fixed) with aluminum or tin compounds to bright shades of yellow and…
Read More