abstract |
FIELD: chemical-photographic industry. SUBSTANCE: developing composition contains, g/l: ethylenediamine,N,N,N′,N′-tetraacetic acid disodium salt 2←_0.1; hydroquinone 8-12; metol 6-8; methylphenidone 0.8-1.6; sodium sulfite 40-120; sodium carbonate 30-50; potassium bromide 3-6; 3, 3′-dimethylene-bis-(1-ethyl-5-chlorobenzimidazolium) dibromide 0.005+ -0.02; 1-phenyl-5-mercaptotetrazole 0.003+ -0.015, and water up to 1 l. EFFECT: improved quality of composition. 1 tbl |