| The pyrogallol method of Preisz also proved to be unreliable in his hands. |
| It is particularly advantageous to blend judiciously the two main types of material, the pyrogallol and catechol tans. |
| Table 10 shows the relation between temperature and intensity of luminescence with pyrogallol and various oxidizers. |
| It is the only pyrogallol tannin which does not deposit bloom, or ellagic acid, on the leather. |
| Sumach is the other pyrogallol tan of commercial importance. |
| The improved pyrogallol method by using terminating agent for superoxide dismutase measurement. |
