Berkeley's formula contained pyrogallol, sulfite and citric acid.
2.
The aromatic components are derived from phenol, resorcinol, or pyrogallol.
3.
The company marketed Berkeley's Sulpho-pyrogallol Developer.
4.
It can be synthesized from pyrogallol using zinc chloride and acetic anhydride.
5.
In 1969, he began experimenting with the forgotten photographic developing agent Pyrogallol.
6.
The bark and especially the fruit yield pyrogallol and catechol to dye and tan leather.
7.
I notice that the article about pyrogallol mentions the fact that it readily absorbs oxygen.
8.
The new formula was sold by the Platinotype Company in London as Sulpho-Pyrogallol Developer.
9.
In 1977, Petersen Photographic published Wimberley's formula for WD2D, a pyrogallol-based film developer.
10.
Bismuth nitrate forms insoluble complexes with pyrogallol and cupferron and these have been the basis of gravimetric methods of determining bismuth content.
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