The studies of extraction of Au(Ⅲ)by "A-408
Li Changtai, Luo Gongli and Rong Fengguang (Qingdao Institute of Chemical Engineering)
The function of new extractor A-408 is researched in extractor concentra tion, extraction temp., acidity of aq.,phase ratio,extraction time, saturating capacity and selectivity. At last, the optimum technological conditions of extraction have been obtained by doing right-cross experiment. On these conditions, one-step percentage extraction of Au(Ⅲ)by A-408 is more than 99.62%.