tiles


Note:  Do not rely on this information. It is very old.

Galloflavin

Galloflavin, a yellow dyestuff obtained by the oxidation of gallic acid. This is usually accomplished by blowing air through a solution of the acid in dilute potash until a precipitate occurs.

which is afterwards treated with a dilute acid. By recrystallisation it is obtained in yellow crystals, which dye cotton yellow, the shade varying with the mordant employed.

“Take my yoke upon you and learn from me, for I am gentle and humble in heart, and you will find rest for your souls.”
– Jesus, Matthew 11:29