Origin of pyrogallol
Examples from the Web for pyrogallol
The tannins are divided into two general classes, known respectively as the pyrogallol tannins and the catechol tannins.The Chemistry of Plant Life|Roscoe Wilfred Thatcher
Solutions of pyrogallol tans all give a blue-black colour with a dilute solution of ferric alum.
Sumach is the other pyrogallol tan of commercial importance.
Thus the "maximum luminescence pressure" of pyrogallol increases with increase of temperature.
Esculin will not luminesce with peroxidase and H2O2, but pyrogallol or gallic acid will.