A developer liquid suited for use in development of photographic silver halide emulsion layer materials which liquid contains :
1) hydroquinone or a substituted hydroquinone as sole developing agent or said hydroquinone as main developing agent in combination with an auxiliary developing agent in an amount less than 10 mole % with respect to the main developing agent,
2) an inorganic compound yielding free sulphite ions in an amount of at least 5 grams per litre,
3) an organic anti-fogging agent corresponding to the following general formula (Z) :
wherein :
X² represents an alkyl group or an aryl group including said groups in substituted form or an amino group including said group in substituted form;
the amount of anti-fogging agent being in the range of 50 mg to 1 g per litre,
4) a polymer containing a plurality of alkylene oxide units, and
5) the necessary alkaline material to have in said liquid a pH of at least 10.5.
一种适用于冲洗照片卤化
银乳剂层材料的显影液,其中含有......:
1) 作为唯一显影剂的
对苯二酚或替代
对苯二酚,或作为主显影剂的
对苯二酚与辅助显影剂合用,其用量少于主显影剂的 10 摩尔%、
2) 产生游离
亚硫酸根离子的无机化合物,每升至少 5 克、
3) 符合以下通式(Z)的有机防雾剂:
其中:
X² 代表烷基或芳基(包括上述取代形式的基团)或
氨基(包括上述取代形式的基团);
防雾剂的用量范围为每升 50 毫克至 1 克、
4) 含有多个环氧亚烷基单元的聚合物,以及
5) 必要的碱性材料,使所述液体的 pH 值至少为 10.5。