Definition: natural protein used as a transparent medium to hold light sensitive silver halide crystals in suspension, binding them to the printing paper or film, yet swelling to allow entry of processing solutions.
Definition: A substance produced from animal skins and bones, it is the basis for modern photographic emulsions. It holds light-sensitive silver halide crystals in suspension.
Definition: A substance produced from animal skins and bones, it is the basis for modern photographic emulsions. It holds light-sensitive silver halide crystals in suspension.
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