摘要
将废定影液中的银转化为氯化银 ,再用抗坏血酸作还原剂将氯化银还原为银 .pH值较高 (大于 9) ,反应可在低氨条件下迅速完成 ,污染小 .
A new method for retrieval of silver from photographic fixers. The reduction process is directed to transform silver from its chloride by using ascorbic acid. This process can be fast at pH above 9 and be completed in a short time with the ammonia in low concentration.
出处
《西南民族学院学报（自然科学版）》
2000年第2期172-176,共5页
Journal of Southwest Nationalities College(Natural Science Edition)
