Separation and determination of lithium in uranium products by a micro-column filled with actived Al2O3

  • Hao Wu
  • Mingbiao LuoEmail author
  • Zhifen Wang
  • Wenting Yu
  • Hui Zhang
  • Rong HuaEmail author
  • Jingyuan Li


A method was applied in the separation and determination of trace lithium in uranium products. Separation and enrichment of lithium was carried out through a micro-column packed with activated Al2O3 in an alkaline environment, having the lithium adsorbed while the uranium flowed through the column. And a sulfuric acid solution was adopted to elute lithium. The relative standard deviation were in the range of 4.08–6.72% (n = 5). The accuracy was studied by adding 5 µg lithium to the actual samples and the recoveries were between 99.7 and 100.3%, which indicates that the method is reliable and in good precision.


Lithium Uranium products Separation Micro-column Actived Al2O3 



This project was supported by the National Natural Science Foundation of China (No. 21761001), National Defense Basic Research Projects (No. JCKY2017401C005), Jiangxi Provincial Key Laboratory of Mass Spectrometry Science and Instrument Development Fund (JSMS2017014), Jiangxi provincial Department of Education (GJJ14484). The authors would like to thank Prof. Mingbiao Luo for his guidance and support on this work, and thanks to Dr. Zhifen Wang and Wenting Yu for their help.


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Copyright information

© Akadémiai Kiadó, Budapest, Hungary 2019

Authors and Affiliations

  1. 1.College of Chemical Biology and Materials ScienceEast China University of TechnologyNanchangChina
  2. 2.State Key Laboratory of Nuclear Resources and EnvironmentEast China University of TechnologyNanchangChina
  3. 3.College of Nuclear Science and EngineeringEast China University of TechnologyNanchangChina

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