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研究了新型萃取剂二(2-乙基己基)单硫代磷酸(D_2EHMTPA)的纯化及其对多种多属离子的萃取性能。研究结果表明,它是分离 Co、Ni 和回收 In、Tl(Ⅰ)的高效萃取剂。
The purification of the novel extractant di (2-ethylhexyl) monothiophosphoric acid (D 2 EHMTPA) and its extraction of many multi-ions were studied. The results show that it is an efficient extraction agent for separating Co, Ni and recovering In, Tl (Ⅰ).