한국대기환경학회지 (Journal of Korean Society for Atmospheric Environment)

  • 제18권2호
  • /
  • Pages.127-137
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  • 2002
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  • 1598-7132(pISSN)
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  • 2383-5346(eISSN)
한국대기환경학회 (Korean Society for Atmospheric Environment)
권호 표지

흡착관/열탈착 GC/MS 방법에 의한 모사시료 중의 미량 페놀 분석에 관한 평가

Evaluation of the Measurement of Trace Phenols by Adsorption/Thermal Desorption/Gas Chromatography/Mass Spectrometry (ATD/GC/MS) in Artificial Air

  • 허귀석 (한국표준과학연구원 물질량 표준부) ;
  • 이재환 (연세대학교 화학과) ;
  • 황승만 (한국표준과학연구원 물질량 표준부) ;
  • 정필갑 (충남대학교 환경공학과) ;
  • 유연미 (충남대학교 환경공학과) ;
  • 김정우 (한국표준과학연구원 물질량 표준부) ;
  • 이대우 (연세대학교 화학과)
  • 발행 : 2002.04.01
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초록

Phenolic compounds in air are toxic even at their low concentrations. We had evaluated a total of five phenolic compounds (Phenol, o-Cresol, m-Cresol, 2-Nitrophenol and 4-Chloro-3-methylphenol) in artificial air using a combination of ATD/GC/MS. To compare the adsorption efficiency of these phenolic compounds, three adsorbents (Tenax TA, Carbotrap and Carbopack B) were tested. Tenax TA adsorbent was most effective of all the adsorbents used for the efficiency test. Five phenolic compounds were found to be very stable on adsorbent tubes for 4 days at room temperature. Detection limit of five phenolic compounds ranged from 0.05 to 0.08 ppb (when assumed to collect 10 L air). The calibration curve was linear over the range of 22∼ 164 ng. The reproducibility was less than 4%. Sampling of duplicate pairs (DPs) was made to demonstrate duplicate precision and sampling efficiency.

키워드

참고문헌

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