동남지역 주요 배출지역의 PM2.5 기여도 분석
J. Korean Soc. Atmos. Environ., Vol. 34, No. 4, August 2018, pp.625 Journal of Korean Society for Atmospheric Environment 625
Vol. 34, No. 4, August 2018, pp.625 https://doi.org/10.5572/KOSAE.2018.34.4.625 p-ISSN 1598-7132, e-ISSN 2383-5346
정오표 (Errata)
선택적다중이온질량분석기를 이용한 대기 중 휘발성유기화합물 실시간 동시분석법 개발 및 적용 393
J. Korean Soc. Atmos. Environ., Vol. 34, No. 3, 2018
* Corresponding author.
Tel : +82-(0)55-639-8673, E-mail : uhyim@kiost.ac.kr Journal of Korean Society for Atmospheric Environment Vol. 34, No. 3, June 2018, pp.393-405
https://doi.org/10.5572/KOSAE.2018.34.3.393 p-ISSN 1598-7132, e-ISSN 2383-5346
선택적다중이온질량분석기를 이용한 대기 중 휘발성유기화합물 실시간 동시분석법 개발 및 적용
Development of Real-time and Simultaneous Quantification of Volatile Organic Compounds in Ambient with SIFT-MS
(Selected Ion Flow Tube-Mass Spectrometry)
손현동1),2)·안준건1)·하성용1)·김기범2)·임운혁1),3),*
1)한국해양과학기술원 남해특성연구센터, 2)경상대학교 해양환경공학과
3)과학기술연합대학교 해양환경과학과
(2018년 2월 28일 접수, 2018년 3월 26일 수정, 2018년 4월 6일 채택)
Hyun Dong Son1),2), Joon Geon An1), Sung Yong Ha1), Gi Beum Kim2) and Un Hyuk Yim1),3),*
1)Oil and POPs Research Group, Korea Institute of Ocean Science and Technology
2)Department of Marine Environmental Engineering, Gyeongsang National University
3)Marine Environmental Science Major, Korea University of Science and Technology (Received 28 February 2018, revised 26 March 2018, accepted 6 April 2018)
Abstract
Volatile organic compounds(VOCs) are representative air pollutants due to their detrimental effects on human health and their role in formation of secondary organic aerosols. Assessments and monitoring programs of VOCs using periodic grab sampling like Tedlar bags, canisters, and sorbent traps provide limited information, often with delay times of days or weeks. Selected ion flow tube mass spectrometry(SIFT-MS) is an emerging analytical technique for the real-time quantification of VOCs in air. It relies on chemical ionization of the VOCs molecules in air introduced into helium carrier gas using H3O+, NO+, and O2+ precursor ions. Real-time monitoring method of 60 VOCs in the ambient air was developed using TO-15 standard gas mixture. Calibration curves, method detection limit, and quantitation reproducibility of the target compounds were tested. Dynamic dilution system was used to dilute standard gas from 0.174ppbv to 100 ppbv, where calibration curves showed good linearity with r2>
0.95 in all target analytes. Limit of detection(LOD) all compounds were sub ppbv, and some halogenated compounds showed pptv levels. Seven consecutive analyses of target compounds showed good repeatability with relative standard deviation of less than 10%. One day monitoring of VOCs in ambient air was conducted in Geoje. Average concentration of target VOCs in Geoje were relatively lower than other regions, among which formaldehyde showed the highest concentration(15.4±5.78ppbv). SIFT-MS provided good temporal resolution data(1 data per
2. 한국대기환경학회지 제34권 제3호, 2018.6, 393-405 (13 pages) 감사의글 추가
(추가) 감사의 글
이 논문은 해양경찰청 "유지문감식 선진화기법 개발(PN67490)"과제의 지원을 받아 수행되었습니다.
