N-癸酰吗啡啉与TBP协同萃取铀(Ⅵ)的热力学研究  

SYNERGISTIC EXTRACTION OF U(Ⅵ) FROM NITRIC ACI D SOLUTION WITH N-DECANOYWORPHOLINE AND TBP IN BENZENE

作　　者：陈蔚燕[1] 包伯荣[1] 曹卫国[1] 杨兴存[2] 

机构地区：[1]上海大学理学院化学系,上海200436 [2]中国科学院上海原子核研究所,上海201800

出　　处：《核化学与放射化学》2003年第3期181-184,共4页Journal of Nuclear and Radiochemistry

摘　　要：在硝酸介质中研究了N 癸酰吗啡啉(DMPHL)与磷酸三丁酯(TBP)对U(Ⅵ)的协同萃取。通过考察萃取剂浓度、二种萃取剂的浓度比、酸度、温度、盐析剂离子强度对萃取U(Ⅵ)的影响,确定了萃取机理,求出了萃取反应平衡常数Ks,测定了萃取剂与协萃剂在不同浓度比时的协萃分配比。The synergistic extraction properties and mechanism of uranium(Ⅵ)from nitric acid solution with N-decanoyworpholine(DMPHL) and TBP at (25±1)℃ are investigated. The influences of extractant concentration, nitric acid concentration, temperature and salting out agent on the distribution ratio are studied. The extraction equilibrium constants are calculated.

关 键 词：N一癸酰吗啡啉 TBP 协同萃取 铀(Ⅵ) 热力学研究 磷酸三丁酯 萃取剂 

分 类 号：O614.62[理学—无机化学] O652.62[理学—化学]