低含量钪的化学分析前人已做过不少工作,其主要问题在于它常与稀土、钍、锆和铀等元素共生,分离困难,干扰其测定。文献所采用的萃取—纸色层、离子交换分离等方法,手续繁琐,耗时冗长,故探讨解决钪与共存元素的分离与测定方法,提高化学法测定钪的选择性、灵 The chemical analysis of scandium with low content has done a lot of work before. The main problem is that it often coexists with elements such as rare earth, thorium, zirconium and uranium and it is difficult to separate and interfere with its determination. The methods used in the literature, such as extraction-paper chromatography and ion-exchange separation, are cumbersome and time-consuming. Therefore, the methods of separation and determination of scandium and coexisting elements are discussed to improve the selectivity of scandium by chemical method.