MULTIPURPOSE CONCENTRATED DEVELOPER FOR TREATMENT OF PHOTOGRAPHIC MATERIALS AND METHOD OF PREPARING OPERATION SOLUTION FROM IT

摘要

FIELD: photographic materials. SUBSTANCE: developer comprises two parts. The first part contains hydroquinone, sodium sulfate, sodium carbonate, potassium bromide, benzotriazol, boric acid, oxyethylenediphosphonic acid, and water, and the other part contains phenidone or methylphenidone, sodium sulfite, potassium or sodium hydroxide, Trilon B and water in specified amounts. EFFECT: increased stability. 2 cl, 3 tbl