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논문 기본 정보

자료유형
학술저널
저자정보
강지환 (한국표준과학연구원) 김용두 (한국표준과학연구원) 김미언 (한국표준과학연구원) 이진홍 (충남대학교) 이상일 (한국표준과학연구원)
저널정보
한국대기환경학회 한국대기환경학회지(국문) 한국대기환경학회지 제34권 제2호
발행연도
2018.4
수록면
331 - 341 (11page)
DOI
10.5572/KOSAE.2018.34.2.331

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Hazardous air pollutants (HAPs) in the atmosphere are regulated as major air pollutants in Korea by the Air Pollution Control Act. In order to manage and control HAPs, accurate standards, which are traceable to the International System of Units (SI), are required. In this study, primary standard gas mixtures (PSMs) of volatile organic compounds (VOCs) which are specified as HAPs were developed at 1 μmol/mol levels. The selected fourteen VOCs include Benzene, Toluene, Ethylbenzene, m-Xylene, Styrene, o-Xylene, Chloroform, 1,1,2-Trichloroethane, Trichloroethylene, Tetrachloroethylene, 1,1-Dichloroethane, Carbon tetrachloride, 1,3-Butadiene, and Dichloromethane. The HAPs PSMs were gravimetrically prepared in aluminum cylinders and their consistency was verified within the relative expanded uncertainty of 0.71% (k=2). Potential adsorption loss onto the internal surface of cylinders was estimated by cylinderto-cylinder division method. No adsorption loss was observed within the uncerainty of 0.53%. The long-term stability of the HAPs PSMs was evaluated comparing with freshly prepared HAPs PSMs. The HAPs PSMs were stable for one year within the uncertainty of 0.38%. The final uncertainty of the PSMs was determined by combining the preparation uncertainty, verification uncertainty, and stability uncertainty. Finally, traceable and stable HAPs PSMs at 1 μmol/mol levels were developed with the uncertainty of less than 0.76% in high-pressure aluminum cylinders.

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Abstract
1. 서론
2. 실험 방법
3. 실험 결과 및 고찰
4. 결론
References

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UCI(KEPA) : I410-ECN-0101-2018-539-002080090