| 摘要 |
<p>Developer compositions for silver halide photographic materials having an improved resistance to air oxidation, even if in the presence of metal ion traces, comprise the following principal constituents: a) hydroquinone or a substituted hydroquinone; b) an auxiliary superadditive developing agent; c) an alkali metal sulfite; d) an organic antifoggant agent; e) inorganic alkali agents; f) an alkanolamine; and g) a sequestering agent selected in the group of diethylenetetraminepentacetic acid, 1,3-diamino-2-propanoltetracetic acid and 1-hydroxyethylidene-1,1-diphosphonic acid.</p> |
