Journal of Korean Society for Atmospheric Environment (한국대기환경학회지)

Korean Society for Atmospheric Environment (한국대기환경학회)
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Quality Control(QC) Analysis of Ambient VOCs in Canisters Using GC/MSD Method

Canister와 GC/MSD를 이용한 대기 중 VOCs 분석시스템의 정도관리(QC)

  • Jeon, Jun-Min (Dept. of Environmental Engineering, Suncheon First College) ;
  • Hur, Dang (Dept. of Environmental Engineering, Suncheon First College) ;
  • Kim, Dong-Sool (Air Pollution Lab., School of Environment & Applied Chemistry, Kyung Hee University)
  • 전준민 (순천제일대학 환경과) ;
  • 허당 (순천제일대학 환경과) ;
  • 김동술 (경희대학교 환경응용화학부 대기오염연구실)
  • Published : 2002.12.01
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Abstract

In this study, the performance of sampling and of analytical methodology was examined against a number of selected volatile organic compounds (VOCs) in the ambient air. The canister-based sampling method for VOCs has been a viable and widely used approach that is based on research and evaluation performed over the past several years. VOCs were determined using canisters by GCMSD analysis. A total of target analyses in this study included approximately 30 VOCs designated in TO-l4A categories including BTEX. The methodology for QC(quality control) was intensively investigated with a wide range of performance criteria such as; (1) cleanliness of canisters, (2) reproducibility of diluter, (3) instrumental detection limits of preconcentrator and GCMSD, and (4) precision and accuracy of GCMSD. For most of the compounds tested, precision was less than $\pm$5%, IDL was 0.2 ppbv, accuracy was $\pm$5%, respectively. This study demonstrated that the combination of canister sampling and GC/MSD analysis could be reliably applied to the measurements of BTEX in ppbv levels that are typically observed in/outdoor air environment.

Keywords

References

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