Method for sequential determination of 55Fe and 63Ni in leaching solution from cement solidification

  • Lijuan Song
  • Lina Ma
  • Yan Ma
  • Yonggang Yang
  • Xiongxin DaiEmail author


A method for sequential determination of 55Fe and 63Ni in leaching solution of cement solidification using liquid scintillation counting (LSC) was developed. In this method, 55Fe and 63Ni were first precipitated in the form of hydroxide and subsequently purified by anion exchange chromatography and dimethylglyoxime precipitation. After the purification, 55Fe and 63Ni were determined by LSC. The performance of the method was examined, and minimum detectable activity concentration was determined to be 0.82 Bq L−1 for 55Fe and 0.42 Bq L−1 for 63Ni in leaching solution samples with a counting time of 1 h. High decontamination factors for 55Fe and 63Ni were also obtained.


55Fe 63Ni Leaching solution Cement solidification Liquid scintillation counting 



This research was financially supported by the China Institute for Radiation Protection (CIRP).


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Copyright information

© Akadémiai Kiadó, Budapest, Hungary 2019

Authors and Affiliations

  1. 1.China Institute for Radiation ProtectionTaiyuan CityPeople’s Republic of China
  2. 2.Collaborative Innovation Center of Radiation Medicine of Jiangsu Higher Education InstitutionsSuzhouPeople’s Republic of China

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