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GC/ECD 및 GC/MS을 이용한 토양 중 PCBs 분석방법 고찰

Analytical method of the polychlorinated biphenyls in soil using GC/ECD and GC/MS

  • 김태승 (국립환경과학원 환경진단연구부) ;
  • 신선경 (국립환경과학원 환경측정기준부) ;
  • 윤정기 (국립환경과학원 환경진단연구부) ;
  • 김종하 (국립환경과학원 환경진단연구부) ;
  • 김형섭 (한국환경자원공사 기술센터) ;
  • 이정아 (국립환경과학원 환경진단연구부)
  • Kim, Tae-Seung (National institute of Environmental Research, Environmental Diagnostics Research Department) ;
  • Shin, Sun-Kyoung (National institute of Environmental Research, Environmental Measurement Standards Department) ;
  • Yoon, Jeong-Ki (National institute of Environmental Research, Environmental Diagnostics Research Department) ;
  • Kim, Jong-Ha (National institute of Environmental Research, Environmental Diagnostics Research Department) ;
  • Kim, Hyoung Seop (Korea Environment & Resources Corporation) ;
  • Lee, Jeong Ah (National institute of Environmental Research, Environmental Diagnostics Research Department)
  • 투고 : 2007.02.01
  • 심사 : 2007.02.26
  • 발행 : 2007.04.28

초록

토양 중 PCBs 분석방법을 검토하기 위해 우리나라 토양오염공정시험방법 및 선진국의 분석방법을 비교 검토하고 결과를 근거로, 추출 및 전처리방법, 칼럼정제방법, 분석용 칼럼 조건, 기기분석 조건 및 정량방법을 검토하였다. 또한 검토된 방법에 따라 토양 중 PCBs 세부분석지침(안)을 제시하고, 제시된 세부분석지침(안)에 의해 PCBs 제품으로 오염시킨 토양 5건 시료와 토지이용도별 및 오염원별 23건의 시료를 전처리하여 분석하였다. 기체크로마토그래피/전자포획검출법(GC/ECD)에 의한 토지이용도별 및 오염원별 PCBs 분석결과는 모든 시료에서 피크패턴(GC/ECD)을 확인 할 수 없었으나, 기체크로마토그래피/질량분석법(GC/MS)에 의한 개별이성체 정량결과는 $0.002{\sim}0.487{\mu}g/kg$ 범위로 검출되었다.

This study was investigated both the Korean official soil test method and the international various methods for PCBs in soil sample. The analytical guideline of PCBs in contaminated soil were proposed based on the official soil test methods by discussing the extraction, column cleanup, instrumental conditions, quantification methods of peak matching and individual isomers. The total 28 soil samples were selected by consideration of PCBs-contamination, land use etc., and then analyzed using gas chromatography/electron capture detection (GC/ECD) and gas chromatography/mass spectrometry(GC/MS). In this study, the PCBs were not detected as peak matching method using GC/ECD, but PCBs detected $0.002{\sim}0.487{\mu}g/kg$ using GC/MS in background concentrations.

키워드

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