以咪唑类离子液体1-癸基-3-甲基咪唑三氟磺酰亚胺盐[C10mim][ NTf2]为萃取剂,研究了其对硝酸溶液中铈(Ⅳ)的萃取行为,分别考察了萃取时间、料液浓度、硝酸浓度、离子液体咪唑环上烷基链长、无机盐浓度和温度对萃取过程的影响.热力学计算表明,萃取过程是自发的放热过程.推测可能的萃取机理是阴离子交换机理.对萃取液进行了反萃考察,在硫酸浓度为1.0 mol/L时,反萃率为85.1％.
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