| 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. |
| Esculin will not luminesce with peroxidase and H2O2, but pyrogallol or gallic acid will. |
| The texture of the paper was not injured, but the iron basis of the ink, as well as the gallic acid, was entirely removed. |
| The image is to be brought out with gallic acid and acetic acid, laid over with a brush, and requires no heat. |
| By washing the paper with a solution of gallic acid after the exposure, he produced a developed-out image. |
| Larry Yachimec, in a Sterling award nominated turn, embodies the odd, denaturalized gallic intensity of this play. |
