硫化镍精矿氯气浸出—净化—电积工艺作为镍提取冶金的新方向，其净化过程大多采用溶剂萃取方法。
As a new method of nickel extractive metallurgy, the process of chlorine leaching purification electrolysis for nickel sulphide concentrate usually USES solvent extraction as its purification.
方法：溶剂萃取热力学平衡法。
采用溶剂萃取和吸附精制的方法对山城紫苕中的天然色素进行提取和分离。
The natural pigments from purple potato of Shancheng were extracted and analysed by solvent extraction and adsorption.
应用推荐