Contains neither tannic nor gallic acid, but abounds with a yellow, bitter principle, soluble in water and alcohol. |
Mid-90s gallic nuclear testing is blamed for mutating a native iguana species of Tahiti. |
The main constituents of Aleppo galls are 50 to 70 per cent of gallotannic acid, 2 to 4 per cent of gallic acid, mucilage, sugar, resin and an insoluble matter called lignin. |
Pyrogallol, tannic acid, and gallic acid were obtained from Zhunyi Reagents. |
The water of the former is strongly impregnated with iron, that of the latter with gallic acid. |
By washing the paper with a solution of gallic acid after the exposure, he produced a developed-out image. |