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多元络合物在分析化学中的应用提高了分析方法的灵敏度和选择性,为稀土元素的分组测定开辟了新途径。慈云祥研究了稀土-铬天青S-邻菲罗啉-溴代十六烷基三甲铵体系的显色反应,把混合配位体络合物和胶束增溶络合物统一在一个多元络合物体系中,具有较高的灵敏度和选择性,加入适当的竞争配位体可在铈组存在下测钇组稀土。Pande和Vekhancde分别研究了钇与漂蓝6B和溴化十六烷基三甲铵存在下钪、钇、镧与漂蓝6B的显色反应,表明漂蓝6B是一种有前途的显色
The application of multicomponent complexes in analytical chemistry improves the sensitivity and selectivity of analytical methods and opens up new avenues for grouping of rare earth elements. Ciyun Xiang studied the color reaction of rare earth-chrysostilbene S-o-phenanthroline-bromocetyl trimethylammonium bromide system. The mixed ligand complex and micellar solubilization complex were unified in one In multi-complex system, it has higher sensitivity and selectivity. By adding suitable competitive ligands, the rare earth yttrium group can be measured in the presence of cerium. Pande and Vekhancde studied the chromogenic reaction of scandium, yttrium, lanthanum and bleached blue 6B in the presence of yttrium and bleached blue 6B and cetyltrimethylammonium bromide respectively, indicating that bleached blue 6B is a promising coloration