钼(Ⅵ)和钨(Ⅵ)的阴离子交换性能研究——含有机溶剂体系  

Investigation of Anion-Exchange Behaviour for Molybdenum(Ⅵ) and Tungsten (Ⅵ) in Mixed Organic-Aqueous Solvents

作　　者：蔡淑莲 周执明[2] Cai Shulian;Zhou Zhiming(Department of Chemisty,Fudan University,Shanghai;Zhejiang Institute of Technology,Hangzhou)

机构地区：[1]复旦大学化学系 [2]浙江工学院化工系

出　　处：《高等学校化学学报》1985年第3期206-210,共5页Chemical Journal of Chinese Universities

摘　　要：本文在含有机溶剂的盐酸体系和络合剂-盐酸体系中,研究了铜和钨在强碱性阴离子交换树脂ZerolitEF上的阴离子交换行为.探讨了影响钼和钨在树脂相和溶液相间分配的主要因素及其机理,为大量钼中痕量钨的分离和浓集提供了依据.The anion-exchange behaviour of molybdenum(Ⅵ) and tungsten(Ⅵ) on a strong basic anion-exchange resin(Zerolit FF) has been investigated in hydrochloric acid and complexing agent (tartaric, citric and oxalic acid)-hydrochloric acid systems containing various kinds of organic solvent by means of batch method. The main factor effecting of organic solvent on the distribution of molybdenum(Ⅵ) and tungsten (Ⅵ )bet-ween resin and solution phases and the distribution mechanism are discussed. The results indicate that adding organic solvent favors complex-forming and increases the stability of the complexes. The possibility is offered for separation and concentration of trace amounts of tungsten(Ⅵ) from macro amounts of molybdenum(Ⅵ).

关 键 词：阴离子交换 钼(Ⅵ) 强碱性阴离子交换树脂 钨(Ⅵ) 树脂相 有机溶剂 络合剂 盐酸体系 

分 类 号：O65[理学—分析化学]