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合成了２－（十二烷基苯磺酰胺）噻唑和２－（十二烷基苯磺酰胺）苯并噻唑（分别简称萃取剂Ⅰ和Ⅱ）．研究表明，这两种萃取剂在一定的条件下，能有效地萃取钴（Ⅱ）和镍（Ⅱ）．同时，采用斜率法探讨了它们对钴（Ⅱ）和镍（Ⅱ）的萃取机理．
Synthesis of 2- (dodecylbenzenesulfonamide) thiazole and 2- (dodecylbenzenesulfonamide) benzothiazole (Extractants I and II, respectively). The results show that these two extractants can effectively extract cobalt (Ⅱ) and nickel (Ⅱ) under certain conditions. At the same time, their extraction mechanism of cobalt (Ⅱ) and nickel (Ⅱ) was discussed by the slope method.