Acceleration of silver removal by thioether compounds

Radiation imagery chemistry: process – composition – or product th – Color imaging process – Stabilizing

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430393, 430428, 430429, 430455, 430459, 430460, G03C 1100, G03C 518, G03C 526, G03C 538

Patent

active

056331240

ABSTRACT:
This invention provides a process for removal of silver halide from a silver halide photographic recording material by a processing solution with fixing ability (a fixer) containing thiosulfate as a fixing agent conducted in the presence of a thioether compound incorporated within a fixer formulation. It further provides a fixer formulation for use in said process. The fixer contains a maximum ammonium ion concentration of 0.9M.

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