The effects of pH of aqueous solution, reaction time, concentration of LK-C2 and phase ratio (O/A) on the extraction rate were investigated.

• 结果表明：采用LK-C2从废线路板酸性浸出液中可选择性萃取分离铜，铜/铁分离系数超过2 000，溶液中锌和锡几乎不被萃取；