Determination of benzo(a)pyrene in Soil, Sediment and Water by Gas Chromatography- Mass Spectrometry

기체크로마토그래피/질량분석기에 의한 토양, 저질 및 수질시료 중 benzo(a)pyrene의 분석

  • Jeon Ree Kyung (Toxicology Lab., Bioanalysis and Biotransformation Research Center, Korea Institute of Science and Technology) ;
  • Choi Rae Yeon (Toxicology Lab., Bioanalysis and Biotransformation Research Center, Korea Institute of Science and Technology) ;
  • Ryu Jae-Chun (Toxicology Lab., Bioanalysis and Biotransformation Research Center, Korea Institute of Science and Technology)
  • 전희경 (한국과학기술연구원 생체대사연구센터, 독성연구실) ;
  • 최해연 (한국과학기술연구원 생체대사연구센터, 독성연구실) ;
  • 류재천 (한국과학기술연구원 생체대사연구센터, 독성연구실)
  • Published : 2005.03.01

Abstract

본 연구는 GC/MS를 이용하여 수질, 토양 및 저질 시료 중의 benzo(a)pyrene(BaP)을 분석하는 방법을 확립하고자 하였다. BaP은 수질 시료(100mL)에서 n-hexane으로 추출하였으며, 토양 및 저질 시료(l0g) 에서는 먼저 메탄올로 추출한 후 hexane으로 다시 추출하여 농축시켜 분석하였다. 수질 시료 중의 BaP 회수율은 94.8% 이상이었으며 토양에서의 회수율은 약 93%를 보였고 재현성은 10.49% 이하였다. 검정 곡선은 상관계수(R²)값이 수질과 토양 모두에서 0.996 이상의 좋은 직선성을 보여주었다. 토양 시료의 경우 35지역 중 6지역의 토양에서 0.5~223.5㎍/kg의 농도 범위로 BaP가 검출되었으며 수질과 저질 시료에서는 모든 지역에서 검출한계 이하로 나타났다. 이 분석방법은 환경 중에 미량으로 존재하는 BaP의 분석과 모니터링에 유용하게 사용할 수 있는 적합한 방법이라 사료된다.

Keywords

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