a method to recover silver from waste photographic film with waste fixing bath was studied.
研究了利用彩印漂定废液回收废感光胶片中银的方法。
this text discussed the recovery of silver from the devil fixing bath and the problem that edta from the devil fixing bath can be used in the fishery farming again.
本文讨论了废漂定液中银的回收方法及废漂定液中的edta在渔业养殖中的再利用问题。
recovery rate of silver with this method was high and the waste fixing bath can be recycled.