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研究了硫酸铵－水杨基荧光酮－乙醇体系萃取钼的行为及乙醇水溶液的分相条件。试验表明，作为萃取溶剂的乙醇，能萃取电中性螯合物又能萃取带电荷螯合物，当溶液ｐＨ １～２，能使Ｍｏ（Ⅵ）与Ｆｅ（Ⅲ）、Ｃｕ（Ⅱ）、Ｃｏ（Ⅱ）、Ｍｎ（Ⅱ）分离。
The extraction of molybdenum by ammonium sulfate-salicylfluorone-ethanol system and the separation conditions of ethanol aqueous solution were studied. The results showed that ethanol as extraction solvent could extract the neutral chelate and the charged chelate. When the solution pH was 1 ~ 2, the reaction of Mo (Ⅵ) with Fe (Ⅲ), Cu (Ⅱ) Co (Ⅱ), Mn (Ⅱ) separation.