| 硝酸体系中双功能离子液体萃取剂[A336][CA-12]/[A336][CA-100]萃取稀土的机理研究 |
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| 引用本文： | 杨华玲,王威,崔红敏,陈继.硝酸体系中双功能离子液体萃取剂[A336][CA-12]/[A336][CA-100]萃取稀土的机理研究[J].分析化学,2011(10):1561-1566. |
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| 作者姓名： | 杨华玲 王威 崔红敏 陈继 |
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| 作者单位： | 中国科学院长春应用化学研究所稀土资源利用国家重点实验室;中国科学院研究生院; |
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| 基金项目： | 国家高技术研究发展计划(863计划,No.2007AA06Z202); 国家自然科学基金(No.51174184); 教育部留学回国人员科研启动基金资助项目 |
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| 摘 要： | 研究了双功能离子液体萃取剂A336]CA-12]/A336]CA-100]在HNO3体系中对稀土的萃取性能.通过与有机羧酸类萃取剂CA- 12/CA- 100及中性有机膦(磷)类萃取剂TBP和P350的比较得知,在相同条件下,萃取能力按如下顺序降低:A336] CA- 12]/A336] CA- 100...
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| 关 键 词： | 双功能离子液体萃取剂 稀土 萃取分离 |
Extraction Mechanism of Rare Earths with Bifuncional Ionic Liquids [A336][CA-12]/[A336][CA-100]in Nitrate Medium |
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| YANG Hua-Ling,WANG Wei,CUI Hong-Min,CHEN Ji.Extraction Mechanism of Rare Earths with Bifuncional Ionic Liquids [A336][CA-12]/[A336][CA-100]in Nitrate Medium[J].Chinese Journal of Analytical Chemistry,2011(10):1561-1566. |
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| Authors: | YANG Hua-Ling WANG Wei CUI Hong-Min CHEN Ji |
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| Institution: | YANG Hua-Ling1,2,WANG Wei1,CUI Hong-Min1,CHEN Ji1 1(State Key Laboratory of Rare Earth Resources Utilization,Changchun Institute of Applied Chemistry,Chinese Academy of Sciences,Changchun,130022) 2(Graduate School of Chinese Academy of Sciences,Beijing 100039) |
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| Abstract: | The solvent extraction of rare earths with bifuncional ionic liquids(Bif-ILs) /CA-100] has been investigated in nitate medium.The extraction abilities for rare earths were compared with organic carboxylic acids CA-12/CA-100 and neutral organophosphorus extractants TBP/P350.The results showed that they were in the descending order: /CA-100]>CA-12/CA-100>P350>TBP.The slope analysis method was used to determine the extraction stoichiometry.The extraction mechanisms of rare earths with Bif-ILs /CA-100] were ... |
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| Keywords: | Bifuncional ionic liquids Rare earths Extraction |
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