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논문 기본 정보

자료유형
학술저널
저자정보
조상희 (세종대학교) 김기현 (세종대학교)
저널정보
한국대기환경학회 한국대기환경학회지(국문) 한국대기환경학회지 제28권 제3호
발행연도
2012.6
수록면
306 - 315 (10page)

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In this study, storage stability of reduced sulfur compounds (H₂S, CH₃SH, DMS, CS₂, and DMDS) and SO₂ in sampling bags was investigated in terms of two contrasting storage approaches between forward (F) and reverse (R) direction. The samples for the F method were prepared at the same time and analyzed sequentially through time. In contrast, those of reverse (R) method were prepared sequentially in advance and analyzed all at once upon the preparation of the last sample. In addition, relative performance between two different bag materials (PVF and PEA) was also assessed by using 100 ppb standard. The response factors (RF) of gaseous RSC samples were determined by gas chromatography/pulsed flame photometric detector (GC/PFPD) combined with air server (AS)/thermal desorber (TD) system at storage intervals of 0, 1, and 3 days. There is no statistical difference in all RSCs between two storage methods. However, the results of relative recovery indicated 2.58~12.8% differences in compound type between the two storage methods. Moreover, loss rates and storage stability of H₂S and SO₂ were considerably affected by bag materials than any other variables. Therefore, some considerations about storage methods (or bag material types) for sulfur compounds are needed if stored by sampling bag method.

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Abstract
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UCI(KEPA) : I410-ECN-0101-2013-539-002719712