Analytical Science and Technology (분석과학)

The Korean Society of Analytical Sciences (한국분석과학회)
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Characteristic Feature of Inductively Coupled Plasma Atomic Emission Spectrometer/Shielding System and Evaluation of Its Applicability to Analysis of Radioactive Materials

유도 결합 플라스마 원자방출분광기/차폐 시스템의 특성 및 방사성 물질 분석에 대한 적용성 평가

  • Lee, Chang Heon (Nuclear Chemistry Research Team, Korea Atomic Energy Research Institute) ;
  • Suh, Moo Yul (Nuclear Chemistry Research Team, Korea Atomic Energy Research Institute) ;
  • Choi, Kae Chun (Nuclear Chemistry Research Team, Korea Atomic Energy Research Institute) ;
  • Park, Yang Soon (Nuclear Chemistry Research Team, Korea Atomic Energy Research Institute) ;
  • Jee, Kwang Yong (Nuclear Chemistry Research Team, Korea Atomic Energy Research Institute) ;
  • Kim, Won Ho (Nuclear Chemistry Research Team, Korea Atomic Energy Research Institute)
  • 이창헌 (한국원자력연구소 원자력화학연구팀) ;
  • 서무열 (한국원자력연구소 원자력화학연구팀) ;
  • 최계천 (한국원자력연구소 원자력화학연구팀) ;
  • 박양순 (한국원자력연구소 원자력화학연구팀) ;
  • 지광용 (한국원자력연구소 원자력화학연구팀) ;
  • 김원호 (한국원자력연구소 원자력화학연구팀)
  • Received : 2000.04.29
  • Published : 2000.08.25
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Abstract

An inductively coupled plasma atomic emission spectrometer/shielding system was specially designed and built for the analysis of radioactive materials. Both of an inductively coupled plasma source and a sample transfer system to be contacted with radioactive materials was installed in a stainless steel glove box. In terms of analytical capability and radiation safety, characteristic feature of the system was investigated. Its applicability to the determination of fission products and corrosion products in the radioactive materials such as spent fuel dissolver solution and the primary coolant of nuclear power reactors was evaluated. In the concentration range $0.01-0.1mgL^{-1}$, the relative standard deviation was found to be less than 5%.

사용후핵연료에 함유되어 있는 핵분열생성물을 분석하기 위하여 여러 원소를 동시에 분석할 수 있고, 분석감도가 커서 시료의 방사능과 폐기물의 양을 감소시킬 수 있는 유도 결합 플라스마 원자방출분광기/차폐 시스템을 구성하였다. 방사성 물질이 직접 접촉되는 플라스마 들뜸원과 시료용액 도입부를 스테인리스 스틸 재질의 글로브박스 내부에 설치하였으며, 고주파 들뜸전원, 분광기, 검출기 그리고 전기, 전자 및 아르곤 가스 공급 제어장치는 외부에 설치하였다. 분석능과 방사선 안전의 관점에서 시스템의 특성을 검증하였으며, 사용후핵연료 용해용액과 원자력발전소의 일차냉각수를 대상으로 핵분열생성물과 방사성 부식생성물 분석에 대한 적용성을 평가한 결과 $0.01-0.1mgL^{-1}$ 농도범위에서 상대표준편차는 5% 이하였다.

Keywords

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