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本文研究了三烷基(C_6-C_8)氧膦(TRPO)对锕系、镧系元素及裂变产物的萃取行为;测得了铀、镎、钚、镅、锔等20余种离子在30％TRPO-煤油-硝酸溶液中的分配比以及部分离子的被萃络合物形式;测定了稀释剂、萃取剂浓度、温度、盐析剂等因素对TRPO萃取三价锕系和镧系元素的影响,为用TRPO萃取剂从强放废液中提取有用元素提供了基础数据。
In this paper, the extraction behavior of actinides, lanthanides and fission products of trialkyl (C_6-C_8) phosphine oxide (TRPO) was studied. More than 20 kinds of ions such as uranium, plutonium, - kerosene - nitric acid solution and part of the complex ions extracted complex forms; determination of the diluent, extractant concentration, temperature, salinization and other factors on the TRPO extraction of actinides and lanthanides, It provides basic data for the extraction of useful elements from strong liquid waste by using TRPO extractant.