Nb、Ta的溶剂萃取及分光显色剂的研究进展  

The Latest Development of Nb/Ta Solvent Extraction and Spectrophotometric Developer

作　　者：任卿[1] 张锦柱[2] 

机构地区：[1]昆明理工大学国土资源工程学院,云南昆明650093 [2]昆明理工大学理学院,云南昆明650093

出　　处：《稀有金属与硬质合金》2006年第4期50-54,共5页Rare Metals and Cemented Carbides

摘　　要：概述了Nb、Ta萃取分离机理;对Nb、Ta的常用分光显色剂及适应体系进行了介绍,并对每种体系的显色测定条件、各种测定指标、常见干扰离子及掩蔽剂、生成的络合物组成和稳定情况等进行了介绍;展望了显色剂的发展方向。In the paper is summarized the Nb/Ta solvent extraction mechanism. Description is made of the common spectrophotometric developer and its applicable system;the determination conditions,various tesring indices, common interfering ions and shelters, resultant complex composition and stability, etc. The future development tendency of the developer is also looked forward,

关 键 词：NB TA 萃取法 分光显色剂 研究进展 

分 类 号：TF841.6[冶金工程—有色金属冶金]