石油亚砜萃取铟的机理研究  

STLJDIES ON THE EXTRACTION MECHMISM OF IN(Ⅲ)WITH PETROLEUM SULFOXIDES

作　　者：程飞[1] 古国榜[1] 张振民[1] 龙惕吾[1] 庞双根 

机构地区：[1]华南理工大学应用化学系,广东省华润集团公司

出　　处：《华南理工大学学报（自然科学版）》1995年第5期98-103,共6页Journal of South China University of Technology(Natural Science Edition)

摘　　要：研究表明，在盐酸介质中，石油亚砜萃取锢的机理与水相酸度有关．低酸度时，亚砜通过氧原子与Ｉｎ（Ⅲ）配位生成萃合物ＩｎＣｌ３．２ＰＳＯ．Ｈ２Ｏ，高酸度时，亚砜则通过氧原子配位溶剂化，并与Ｉｎ（Ⅲ）反应生成离子缔合物［ＰＳＯ→Ｈ］＋［ＩｎＣｌ４．２ＰＳＯ］－The extraction mechamism of In(Ⅲ) with petroleem sulfoxides (PSO) is studied inthis paper. The experimental results show that the extraction mechanism of In (Ⅲ) with PSO depends on the acidity of the aqueous phase. At [H+] < l.00mol.L-1, In(Ⅲ) is extracted by oxygen coordination solvation,the extraction compound is In Cl3 2PSO .H2O; and [H+] >2.00mol.L-1, [PSO→H+1][InCl4 2PSO]-is formed by oxygen coordination solvation and iso-association.

关 键 词：亚砜 铟 溶剂萃取 萃取 石油亚砜 

分 类 号：O614.372[理学—无机化学]