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多元络合物是络合物化学中一个新兴领域,由于多元络合物具有不少优异性能,在分析化学上早已引起人们的重视。近些年来,我国分析工作者应用混合型配位络合物与阳离子表面活性剂反应形成多元络合物来测定稀土元素已获得成功。锰-铬天青S-邻菲罗啉-溴化十六烷基三甲铵体系的多元络合物的分光光度法的研究似未见报导。本文系统地研究了该多元络合物的最佳形成条件,试验了大多数常见离子的干扰情况,测定了络合物的组成及摩尔吸光系数,并用建立的方法于钢铁和铝合金中锰的测定获得较满意的结果。
Polyplex complex is an emerging field of complex chemistry. Due to the many excellent properties of complex complexes, it has drawn great attention in analytical chemistry. In recent years, our analysts have been successful in the determination of rare earth elements by the use of mixed coordination complexes with cationic surfactants to form multiple complexes. Studies on the spectrophotometric method of the multi-complex of manganese-chromium azure S-o-phenanthroline-cetyltrimethylammonium bromide system have not been reported. In this paper, the best formation conditions of the multi-complex were systematically studied, the interference of most common ions was tested, the composition and molar absorptivity of the complex were measured, and the adsorption capacity of manganese in steel and aluminum alloy Determination of more satisfactory results.