Studies on the Separation and Concentration Method of $^{90}Sr$ in the Environmental Samples

환경시료 중 $^{90}Sr$의 분석을 위한 분리농축법 연구

  • Won, Mi Sook (Pusan Branch, Korea Basic Science Institute) ;
  • Cho, Kyu Bong (Department of Chemistry, Pusan National University) ;
  • Yoon, Jang Hee (Pusan Branch, Korea Basic Science Institute) ;
  • Lee, Dae Won (Department of Physics, Pusan National University) ;
  • Shim, Yoon Bo (Department of Chemistry, Pusan National University)
  • 원미숙 (기초과학지원연구소 부산분소) ;
  • 조규봉 (부산대학교 화학과) ;
  • 윤장희 (기초과학지원연구소 부산분소) ;
  • 이대원 (부산대학교 물리학과) ;
  • 심윤보 (부산대학교 화학과)
  • Received : 2000.08.17
  • Published : 2001.02.25

Abstract

New process to determine $^{90}Sr$ in the environmental samples was established by investigating the existing methods. The environmental samples included soil, milk, seaweed, fishes and clams, pine needles, and marine sediment. Using the developed method combined with fuming nitric acid and ion exchange resin, which could be reduced the treatment step, we could be removed Ca effectively for the determination of $^{90}Sr$. The recovery yield of $^{90}Sr$ in this method was 10% higher than those of using the fuming nitric acid only. This method could be applied to all environmental samples we choose. The content of $^{90}Sr$ in soil was the highest value in the tested environmental samples.

Keywords

$^{90}Sr$;fuming nitric acid;ion exchange resin;environmental sample

Acknowledgement

Supported by : 부산대학교

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