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有机酸类萃取剂引起人们越来越大的兴趣。除了广泛采用的磷酸三丁酯以外,最近几年合成了一些新的高效的酸性和中性萃取剂。我们采用甲基膦酸的中性醚——二-2-乙基己基甲基膦酸酯和酸性醚——二-2-乙基己基亚磷酸酯作为铀(Ⅵ)的萃取剂。
Organic acid extractant has aroused more and more interest. In addition to the widely used tributyl phosphate, some new highly effective acidic and neutral extractants have been synthesized in recent years. We used methylphosphonic acid as a neutral ether-di-2-ethylhexyl methylphosphonate and acid ether-di-2-ethylhexyl phosphite as uranium (Ⅵ) extractant.