Comparison of Sampling and Analysis Methods for Volatile Organic Compounds in Ambient Air

대기중 휘발성 유기화합물의 채취 및 분석 방법 비교

  • 나광삼 (한국과학기술연구원 지구환경연구센터) ;
  • 김용표 (국과학기술연구원 지구환경연구센터, 국과학기술연구원 지구환경연구센터, 영남대학교 환경공학과, 영남대학교 환경공학과, 영남대학교 환경공학과, 미국 AtmAA.,Inc., 한국과학기술연구원 특성분석센터, 한국과학기술연구원 특성분석센터)
  • Published : 1998.10.01

Abstract

A field comparison study was carried out to quantify differences among various sampling and analytical methods for volatile organic compounds (VOCs) at a site in Vlsan in June 1997. Air sampling containers (SUMMA canisters) were used by the Korea Institute of Science and Technology (KIST) and adsorption tubes (carbotrap) were used by Yeungnam University (YN Univ.) for sampling ambient air. Duplicate samples obtained by KIST were analyzed by KIST with a GC-MS system for aromatics and halogenated hydrocarbons and by Atm AA with a GC -FID system for C2∼C9 hydrocarbons, respectively. The adsorption tube samples were analyzed by YN Univ. with a GC-FID system for aromatics. VOC levels for the duplicate canister sampls analyzed by KIST and Atm AA were in good agreement. Concentrations of aromatics by the adsroption tube method were generally higher than those by the canister sampling method by factor of 1.5 to 2.0. Differences between the two sampling methods were discussed.

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