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一、引言二-(2-乙基己基)磷酸(即HDEHP或称为D_2EHPA)是一个有广泛用途的有机磷萃取剂。它在铀的水冶处理,稀土与超钚元素的分离及环境中超微量放射性元素的分离分析等各方面都有极重要的用途。
I. INTRODUCTION Bis (2-ethylhexyl) phosphate (HDEHP or D 2 EHPA) is a widely used organic phosphorus extractant. It is in uranium water treatment, rare earth and ultra-plutonium separation and separation of ultra-trace radioactive elements in the environment and other aspects have an extremely important use.