Journal of Korean Society for Atmospheric Environment (한국대기환경학회지)

Korean Society for Atmospheric Environment (한국대기환경학회)
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Comparison of Real Time Water Soluble Organic Carbon Measurements by Two PILS-TOC Analyzers

PILS-TOC를 이용한 실시간 대기 중 수용성 유기탄소 비교 측정

  • Park, Da-Jeong (Department of Environmental Engineering, Mokpo National University) ;
  • Kang, Seokwon (Department of Environmental Science, Hankuk University of Foreign Studies) ;
  • Lee, Taehyoung (Department of Environmental Science, Hankuk University of Foreign Studies) ;
  • Shin, Hye-Jung (Air Quality Research Division, National Institute of Environmental Research) ;
  • Shon, Zang-Ho (Department of Environmental Engineering, Dong-Eui University) ;
  • Bae, Min-Suk (Department of Environmental Engineering, Mokpo National University)
  • 박다정 (국립목포대학교 환경공학과) ;
  • 강석원 (한국외국어대학교 환경학과) ;
  • 이태형 (한국외국어대학교 환경학과) ;
  • 신혜정 (국립환경과학원 대기환경연구과) ;
  • 손장호 (동의대학교 환경공학과) ;
  • 배민석 (국립목포대학교 환경공학과)
  • Received : 2016.10.20
  • Accepted : 2016.12.05
  • Published : 2016.12.31
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Abstract

Two identical Particle Into Liquid Samplers-Total Organic Carbon (PILS-TOC) were operated to measure fine particle Water Soluble Organic Carbon (WSOC) for one week on Feb. in 2016. The dual instrument operations provided validated WSOC concentrations to have a continuous WSOC measurement during the sample analysis period. Both PILS-TOC instruments were operated downstream of an carbon denuder to remove positive adsorption artifacts associated with semi-volatile organic compounds. Comparison of WSOC showed good agreement each other. The linear regression had a coefficient of determination ($r^2$) of 0.92 and a regression slope of 1.01 for the first period. The lower collection efficiency due to lower steam temperature is discussed. In addition, the potential primary source related to WSOC based on the comparison of black carbon (BC) concentrations is explained. The results of good agreement between two PILS-TOC measurements can provide the validation of WSOC cooperations and knowledge regarding the origins of WSOC and their behaviors.

Keywords

References

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