Method for processing color photographic films using a peroxide

Radiation imagery chemistry: process – composition – or product th – Color imaging process – Using identified radiation sensitive composition in the...

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430430, 430461, 430943, 430488, 430491, 430490, 430493, G03C 544, G03C 512

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active

057732027

ABSTRACT:
A simple and effective bleaching method includes the use of a bleaching solution including a peroxide bleaching agent and chloride ion in an amount of at least 0.35 mol/l. An organic phosphonic acid or tertiary aminocarboxylic acid can also be present for stability. The method is useful for bleaching color photographic films containing at least 20 mol % silver bromide and from 0 to about 0.5 mol % silver iodide in at least one silver halide emulsion.

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