在显影加工后的试片上,有时会看到一颗颗小黑点。经漂白液处理,黑点便行消失。乳剂合成者认为这是乳剂的银沉积弊病。银沉积对胶片质量有很大影响,一般在乳化及物理成熟过程中酿成,尤其遇到下列条件更容易形成:硝酸银浓度过大,特别是首次乳化之硝酸银液浓度超过10％时;乳化 In the development of processed specimens, and sometimes will see a small black spots. After bleach solution, black spots disappear. Emulsion synthesizers believe this is a silver deposition deficiency of the emulsion. The deposition of silver has a great influence on the quality of the film, which is usually caused during the emulsification and physical maturation. In particular, it is easier to form when the silver nitrate concentration is too high, especially when the concentration of the silver nitrate solution first emulsified exceeds 10% emulsification