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研究了硫酸铵-丁二酮肟-乙醇体系萃取Co(Ⅱ)的行为及乙醇与水溶液分相条件.试验表明,作为萃取溶剂的乙醇,能萃取带电络合物,当溶液pH>5时,能使Co(Ⅱ)与Ni(Ⅱ),Fe(Ⅲ)分别在乙醇相、浮选相及水相中实现同一体系中三相分离.
The extraction behavior of Co (Ⅱ) by ammonium sulfate-dimethylglyoxime-ethanol system and the separation conditions of ethanol and aqueous solution were studied. The results showed that ethanol as extraction solvent could extract charged complexes. When pH> 5, Co (Ⅱ), Ni (Ⅱ) and Fe (Ⅲ) In the same system to achieve the three-phase separation.