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测量了２－羟基－５－烷基苯乙肟（７８０４）萃取Ｎｄ￣（３＋）的萃取配合物红外谱图、ｆ元素的超灵敏跃迁光谱及萃取剂的稀释效应红外谱图。推断了萃取配合物的结构、萃取机理，计算了镅及一些镧系元素的萃取平衡常数。
The infrared spectra of the extracted complexes of 2-hydroxy-5-alkylbenzophenoxime (7804), the ultra-sensitive transition spectra of the f elements and the dilution effect of the extractants were measured. The structure and extraction mechanism of the extracted complexes were deduced, and the equilibrium constants of extraction of some lanthanides were calculated.