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合成并表征了新型萃取剂N ,N’ -二癸酰基哌嗪 ,研究了N ,N’ -二癸酰基哌嗪 /四氯化碳体系在硝酸介质中对U(Ⅵ )的萃取性能 ,考察了硝酸浓度、萃取剂浓度、盐析剂浓度及温度等因素对U(Ⅵ )分配比的影响 ,并计算了相关的热力学函数。
A new extractant N, N ’- didecanoylpiperazine was synthesized and characterized. The extraction of U (Ⅵ) in N, N’ - didecanoylpiperazine / carbon tetrachloride system was investigated. The influence of nitric acid concentration, extractant concentration, salting-out agent concentration and temperature on U (¢ ö) partition ratio was calculated and the related thermodynamic functions were calculated.