Pyromania | Looking at Pyro Developers

Описание к видео Pyromania | Looking at Pyro Developers

One of the oldest types of photographic developers is pyro-based developers. These organic chemicals, mainly pyrogallol and pyrocatechol, were used as far back as 1851 with wet plate pioneering photographers. While they are fairly niche today, they are a powerful addition to your chemistry kit!

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