Application of Freezing Filtration Method to the Analysis of Alkylphenols, Chlorophenols and Bisphenol a in Korean Aquatic Biological Samples Using GC/MS-SIM

GC/MS-SIM을 이용한 우리나라 수중 생물시료 중 알킬페놀, 클로로페놀과 비스페놀 A의 분석을 위한 냉동필터법의 응용

  • 김협 (포항공과대학교 화학과) ;
  • 장철현 (한밭대학교 토목.환경.도시공학부 환경공학)
  • Published : 2007.06.30

Abstract

A new technique was proposed for the determination of alkylphenols, chlorophenols and bisphenol A in korean aquatic biological samples. The alkylphenols, chlorophenols and bisphenol A in korean aquatic biological samples were extracted with acetonitrile and then acetonitrile layer was refrigerated at $-60^{\circ}C$ for 2 hours(freezing filtration method). Also, solid-phase extraction(SPE) was used to XAD-4 and subsequent conversion to isobutoxycarbonyl(isoBOC) or tert-butyldimethylsilyl(TBDMS) derivatives for sensitive analysis with gas chromatography/mass spectrometry-selected ion monitoring(GC/MS-SIM) mode. For isoBOC derivatization and TBDMS derivatization the recoveries were $70.1\sim150.6%$ and $93.8\sim108.3%$, the method detection limit(MDLs) of bisphenol A for SIM were $0.062{\mu}g/kg$ and $0.010{\mu}g/kg$, and the SIM respectively. When these methods were applied to korean aquatic biological samples, the concentrations of the 11 phenolic EDCs were $0.675\sim1.970{\mu}g/kg$.

우리나라 수중 생물시료에 있는 알킬페놀류, 클로로페놀류 및 비스페놀 A의 정량분석을 위한 새로운 기술을 제시하였다. 우리나라 수중 생물시료에 있는 알킬페놀류, 클로로페놀류 및 비스페놀 A를 아세토니트릴로 추출한 다음 아세토니트릴 층을 2 시간동안 $-60^{\circ}C$에 냉동하였다(냉동필터). 또한, XAD-4를 이용한 고체상 추출 후, isobutoxycarbonyl(isoBOC) 또는 tert-butyldimethylsilyl(TBDMS) 유도체화 한 후 가스크로마토그래피/질량분석기-선택이온 모니터링 방법을 사용하였다. isoBOC 유도체화와 TBDMS 유도체화의 회수율은 $70.1\sim150.6%$$93.8\sim108.3%$이였으며, 선태이온 모니터링 방법을 이용한 비스페놀 A의 분석방법 검출한계는(MDLs) 각각 $0.062{\mu}g/kg$$0.010{\mu}g/kg$이었다 이 방법을 우리나라 수중 생물시료에 적용하였을 때, 11가지 페놀성 내분비계장애물질의 농도는 $0.675\sim1.970{\mu}g/kg$이었다.

Keywords

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