The present invention relates to use of an amino-containing neutral phosphine extractant of Formula I in extraction and separation of thorium, and a process of extracting and separating thorium using the amino-containing neutral phosphine extractant of Formula I,
wherein, R1 and R2 are each independently selected from the group consisting of C1-C12 alkyl, R3 and R4 are each independently selected from the group consisting of C1-16 alkyl and hydrogen, and n is an integer of 1 to 8.
本发明涉及式 I 含
氨基中性膦萃取剂在萃取和分离
钍中的用途,以及使用式 I 含
氨基中性膦萃取剂萃取和分离
钍的工艺、
其中,R1和R2各自独立地选自C1-C12烷基组成的组,R3和R4各自独立地选自C1-16烷基和氢组成的组,n为1至8的整数。