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本文报道由偶氮类螯合剂,季铵盐及邻二氯苯所组成的一类新萃取体系的萃锂性能.讨论了该体系的萃锂反应机理、萃取热力学及萃合物结构.实验结果表明,新体系具有良好的萃锂性能及很大的锂钠分离系数(β_(Li/Na)).
In this paper, a series of new extraction systems consisting of azo chelating agents, quaternary ammonium salts and o-dichlorobenzene were reported to study the extraction mechanism of lithium, the extraction thermodynamics and the structure of the complexes. The experimental results The results show that the new system has a good extraction of lithium and a large lithium-sodium separation coefficient (β_ (Li / Na)).