Environmental Analysis Health and Toxicology

The Korean Society of Environmental Health and Toxicology (환경독성보건학회)
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Determination of 4-Nitrotoluene Exposure in Water, Soil and Sediment by Gas Chromatography- Mass Spectrometry

기체크로마토그래피/질량분석기에 의한 토양, 저질 및 수질시료 중 4-Nitrotoluene의 노출평가

  • Jeon Hee Kyung (Toxicology Lab., Korea Institute of Science and Technology) ;
  • Choi Hae Yeon (Toxicology Lab., Korea Institute of Science and Technology) ;
  • Ryu Jae-Chun (Toxicology Lab., Korea Institute of Science and Technology)
  • 전희경 (한국과학기술연구원 생체대사여구센터, 독성연구실) ;
  • 최해연 (한국과학기술연구원 생체대사여구센터, 독성연구실) ;
  • 류재천 (한국과학기술연구원 생체대사여구센터, 독성연구실)
  • Published : 2005.06.01
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Abstract

본 연구는 GC/MS를 이용하여 수질, 토양 및 저질 시료 중의 4-Nitrotoluene(4-NT)을 분석하는 방법을 확립하고자 하였다. 4-NT은 수질 시료(100mL)에서 n-hexane으로 추출하였으며, 토양 및 저질 시료(10g)에서는 먼저 메탄올로 추출한 후 hexane으로 다시 추출하여 농축시켜 분석하였다. 수질 시료 중의 4-NT의 회수율은 $99.1\%$ 이상이였으며 토양에서의 회수율(recovery)은 약 $110\%$를 보였고 재현성 (relative standard deviation)은 $11.99\%$ 이하였다. 검정곡선은 상관계수$(R^2)$값이 수질과 토양 모두에서 0.994이상의 좋은 직선성을 보여주었다. 본 연구에서 채취한 수질 43개 지역, 토양 35개 지역 및 저질 11개 지역의 모든 시료에서 4-NT은 검출한계 이하로 나타났다. 이 분석방법은 환경 중에 미량으로 존재하는 4-NT의 분석과 모니터링에 유용하게 사용할 수 있는 적합한 방법이라 사료된다.

Keywords

References

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