Extraction of natural radionuclides from aqueous solutions by novel maltolate-based task-specific ionic liquids

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• 作者：Sonja Platzer ; Orhan Sap ; Raphlin Leyma…
• 关键词：Ionic liquids ; Natural radionuclides ; Extraction of radionuclides ; Maltol
• 刊名：Journal of Radioanalytical and Nuclear Chemistry
• 出版年：2015
• 出版时间：March 2015
• 年：2015
• 卷：303
• 期：3
• 页码：2483-2488
• 全文大小：387 KB
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• 作者单位：Sonja Platzer (1)
  Orhan Sap (1)
  Raphlin Leyma (1)
  Gabriele Wallner (1)
  Franz Jirsa (1)
  Wolfgang Kandioller (1)
  Regina Krachler (1)
  Bernhard K. Keppler (1)
  
  1. Faculty of Chemistry, Institute of Inorganic Chemistry, University of Vienna, Waehringer Str. 42, 1090, Vienna, Austria
  
• 刊物类别：Chemistry and Materials Science
• 刊物主题：Chemistry
  Nuclear Chemistry
  Physical Chemistry
  Nuclear Physics, Heavy Ions and Hadrons
  Diagnostic Radiology
  Inorganic Chemistry
  
• 出版者：Akad茅miai Kiad贸, co-published with Springer Science+Business Media B.V., Formerly Kluwer Academic
• ISSN：1588-2780

文摘

Two novel maltol-based ionic liquids, namely [A336][Mal] and [C101][Mal], were synthesized as potential extracting agents for radionuclides from water. These two room temperature task-specific ionic liquids could be easily prepared by anion metathesis starting from commercially available materials. The isolated compounds were characterized by standard analytical methods. Their application as extraction agent for Unat., 234Th, 210Pb, 210Bi, 210Po and 226Ra was elucidated by liquid–liquid extraction and scintillation counting. Uranium was totally extracted by both ionic liquids over a broad pH range (2-), while the other radionuclides were removed with differing efficacies depending on the respective pH value.