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CMPO-离子液体体系对Ce~(3+)的萃取
黄磊; 黄卫; 付海英; 吴国忠; 郭治军; 吴王锁
2012
Source Publication无机化学学报
ISSN1001-4861
Issue4Pages:669-673
Abstract本文研究了CMPO[辛基(苯基)-N,N-二异丁基氨甲酰基甲基氧化膦]溶于疏水性离子液体BmimNTf2(1-丁基-3-甲基咪唑双三氟甲磺亚酰胺盐)和BmimPF6(1-丁基-3-甲基咪唑六氟磷酸盐)对硝酸水溶液体系中Ce3+的萃取行为,详细考察了稀释剂、酸度、金属离子浓度、盐析剂、萃取剂浓度、温度等对萃取性能的影响。研究结果表明:离子液体BmimNTf2体系中Ce3+的萃取率远高于BmimPF6体系;硝酸浓度、金属离子浓度的增大会导致萃取率下降;温度升高萃取率降低;萃取剂CMPO浓度升高萃取率增大;而盐析剂(C=0.001~1 mol.L-1时)对Ce3+的萃取几乎没有影响。萃取机理的推测表明萃取反应形成三配位的配合物,其结构为Ce3+.3CMPO,萃取平衡常数为lgK=6.49,反应焓变为-47.29 kJ.mol-1。
Indexed ByCNKI
Language中文
Funding Project应物所项目组
Document Type期刊论文
Identifierhttp://ir.sinap.ac.cn/handle/331007/12702
Collection中科院上海应用物理研究所2011-2019年
Recommended Citation
GB/T 7714
黄磊,黄卫,付海英,等. CMPO-离子液体体系对Ce~(3+)的萃取[J]. 无机化学学报,2012(4):669-673.
APA 黄磊,黄卫,付海英,吴国忠,郭治军,&吴王锁.(2012).CMPO-离子液体体系对Ce~(3+)的萃取.无机化学学报(4),669-673.
MLA 黄磊,et al."CMPO-离子液体体系对Ce~(3+)的萃取".无机化学学报 .4(2012):669-673.
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