A Study on the Analysis of 89Sr and 90Sr with Cerenkov Radiation and Liquid Scintillation Counting Method

첼렌코프광과 액체섬광계수법을 이용한 89Sr 및 90Sr 분석에 대한 연구

  • 이명호 (한국 원자력 연구소 원자력환경연구팀) ;
  • 조영현 (한국 원자력 연구소 원자력환경연구팀) ;
  • 정근호 (한국 원자력 연구소 원자력환경연구팀) ;
  • 최근식 (한국 원자력 연구소 원자력환경연구팀) ;
  • 이창우 (한국 원자력 연구소 원자력환경연구팀)
  • Received : 2001.10.05
  • Published : 2002.02.25


An accurate and simple analytical technique for $^{89}Sr$ and $^{90}Sr$, overcoming the demerits of the conventional method, has been developed with extraction chromatography and liquid scintillation counting. The Sr fraction was separated from hindrance elements with oxalate coprecipitation or cation exchange resin and purified with Sr-Spec column. With liquid scintillation counter, $^{89}Sr$ was measured by Cerenkov radiation method, and $^{90}Sr$ was measured by spectrum unfolding method. The developed radioactive strontium separation method was validated by application to the IAEA-reference material (IAEA-375, Soil) and radioactive waste samples.


Supported by : 과학기술 연구부


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