From: Liam Lawless (lawless@ic24.net)
Date: 06/24/01-03:55:30 PM Z
Hi,
Have a vague memory of having read somewhere that it is an oxidation product
of pyro that causes staining of gelatin. Since more oxidation takes place
in the heavily exposed areas, staining should be proportional to developed
silver densities.
Liam
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