论文部分内容阅读
本文在含有机溶剂的盐酸体系和络合剂(草酸、柠檬酸或酒石酸)-盐酸体系中,以静态法研究了钼和钨在强碱性阴离子交换树脂ZerolitFF上的阴离子交换行为。探讨了在含不同种类和不同含量的有机溶剂体系中,影响钼和钨在树脂相和溶液相中浓度的主要因素及其影响机理。并确定,钨和钼在异丙醇-酒石酸一盐酸体系中的分离因数α_(MO)~W高达5.62,从而为大量钼中痕量钨的分离和浓集提供了依据。
In this paper, the anion exchange behavior of molybdenum and tungsten on Zerolit FF, a strongly basic anion exchange resin, was investigated by a static method in an organic solvent-containing hydrochloric acid system and a complexing agent (oxalic acid, citric acid or tartaric acid) The main factors influencing the concentration of molybdenum and tungsten in the resin phase and the solution phase in organic solvent system with different kinds and contents were discussed and their influence mechanisms were discussed. The results showed that the separation factor of α - (MO) ~ W of tungsten and molybdenum in isopropanol - tartaric acid - hydrochloric acid was as high as 5.62, which provided a basis for the separation and concentration of trace amounts of tungsten in molybdenum.