This paper aims to extraction and stripping of gold(I) from alkaline cyanide leaching solution by the N235-TOPO co-extraction system.

• 由N235与路易斯碱三辛基氧膦(TOPO)组成协同萃取体系；对碱性氰化浸金贵液中金(I)协同萃取和反萃进行了研究.