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本工作中找到了一新的能定量萃取锆、钍、钚的身硝基偶氮化合物试剂,探讨了这些元素的内络络物萃取机理。针对不同的试剂,讨论了两种类型的萃取率与pH值的关系曲线。为了防止生成(钅羊)盐离子以提高萃取率,除了使用较酸性的试剂外,还可以加入隐蔽剂,如乳酸、乙酰丙酮等。最后谈到,在不同的条件下,5,7-二硝基-8-羟基喹啉与钍形成的络合物有两种不同的成分:ThOR_2或ThR_4。
In this work, we found a new nitroxide reagent that can quantitatively extract zirconium, thorium and plutonium, and discussed the internal complexation mechanism of these elements. For different reagents, the relationship between the two types of extraction rates and pH values is discussed. In order to prevent the generation of (Yang sheep) salt ions to improve the extraction rate, in addition to using more acidic reagents, you can also add covert agents, such as lactic acid, acetylacetone and so on. Finally, it is mentioned that the complex of 5,7-dinitro-8-hydroxyquinoline with thorium has two different compositions under different conditions: ThOR 2 or ThR 4.