Patent ID: 6033834
Filing Date: 2000-03-07
Classification: G03C

Abstract:
A method of preparing a bleaching solution having a pH of from 0.45 to 6.8 that is to be used for processing a photographic element comprising adding a photographic bleach starter having a pH of 7.0 to 10.5 and comprising sodium acetate, potassium acetate or ammonium acetate at a concentration of 0.1 mol/l to the solubility limit of said acetate to a bleach replenisher until said bleach replenisher reaches the desired pH to be used during processing, said bleach replenisher comprising as a bleaching agent a ferric complex of an aminopolycarboxylic acid in an amount of at least 0.1 mol/l of bleaching solution, and a water-soluble aliphatic carboxylic acid as a buffer in an amount of at least 0.35 mol/l of bleaching solution.