한국환경보건학회지 (Journal of Environmental Health Sciences)

  • 제35권4호
  • /
  • Pages.322-333
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  • 2009
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  • 1738-4087(pISSN)
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  • 2233-8616(eISSN)
한국환경보건학회 (Korean Society of Environmental Health)
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대기 중 다환방향족탄화수소 측정방법의 성능평가 - 하이볼륨 샘플링 및 GC/MS 분석방법을 대상으로

Evaluation of a Method for the Measurement of PAHs in the Ambient Atmosphere - Focusing on High Volume Sampling and GC/MS Analysis

  • Seo, Young-Kyo (Department of Environmental Engineering, Yeungnam University) ;
  • Park, Dae-Kwon (Department of Environmental Engineering, Yeungnam University) ;
  • Baek, Sung-Ok (Department of Environmental Engineering, Yeungnam University)
  • 투고 : 2009.06.23
  • 심사 : 2009.08.13
  • 발행 : 2009.08.30
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초록

In this study, a measurement method was evaluated for the determination of polycyclic aromatic hydrocarbons (PAHs) in the ambient atmosphere. PAHs were sampled by high-volume samplers, and were then analysed with a GC/MS system. Particulate PAHs were collected on $8"{\times}10"$ quartz fiber filter, while vapor phase PAHs were adsorbed on polyurethane foam (PUF). Target compounds included a total of 36 PAHs, which are known to be frequently detected in the urban atmosphere. It was not necessary to clean-up samples before samples were analyzed using GC/MS, and the overall performance of the method was tested by a variety of quality control and quality assurance schemes. It is generally known that the clean-up procedure can negatively affect the recovery of samples. Precision and accuracy was evaluated using SRM provided by US NIST, and the results were generally satisfactory and reliable. However, the GC/MS method appeared not to be adequate for 6-rings PAHs, such as coronene, due to its lower sensitivity. In addition, collection efficiencies for low molecular compounds, such as 2-rings PAHs, were poor because of the lower retention volume of the PUF adsorbent. As a result, it was concluded that the method based on high-volume sampling and GC/MS analysis can give very reliable data by simultaneous sampling of both particulate and vapor phases for 3-rings to 5-rings PAHs of environmental concern.

키워드

참고문헌

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