Concentrated color developer composition used for silver halide photographic material and processing method by use thereof

摘要

A color developer concentrate composition is disclosed, comprising a color developing agent, a sulfite and a compound represented by formula (1), the color developing agent concentration 0.02 to 0.2 mol/l and the sulfite concentration meeting the following requirement: 0.1 < sulfite concentration (mol/l)/color developing agent concentration (mol/l) < 10 formula (1) HO-N-(X-A)2o