Gelatin Silver

The chosen medium of Ansel Adams, Weston and countless other iconic masters of photography, this is the most popular black and white darkroom process. Gelatin silver is an emulsion of light-sensitive silver salts in gelatin applied to a sheet of paper coated with a layer of baryta, a white pigment mixed with gelatin. The sensitized paper, generally fiber-based, is exposed to light through a negative and then made visible in a chemical reducing solution. Because the silver image is suspended in a gelatin emulsion that rests on a pigment-coated paper, gelatin silver can be sharply defined and highly detailed in comparison to platinum or palladium, in which the image is absorbed directly into the fibers of the paper.

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