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학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2018.8
- 수록면
- 616 - 624 (9page)
- DOI
- 10.5572/KOSAE.2018.34.4.616
이용수
초록· 키워드
오류제보하기
In this study, a previous DNPH (2,4-dinitrophenylhydrazine) coupled with high performance liquid chromatography (HPLC) method to measure the concentration of formaldehyde in ambient and source environments has been improved. To improve the disadvantage of the previous HPLC method, an appropriate composition ratio of mobile phase (water: acetonitrile (ACN)) was determined and an isocratic analysis was conducted. Furthermore, limit of detection (LOD), limit of quantitation (LOQ), accuracy, and precision were investigated to verify the reliability of the analytical conditions determined. Finally, samples of exhaust gases from five different industrial facilities were applied to HPLC analytial method proposed to determine their formaldehyde concentrations. The appropriate composition ratio of the mobile phase under the isocratic condition was a mixture of water (40%) and ACN (60%). As the volume fraction of the organic solvent ACN increases, retention time of the formaldehyde peak was reduced. Detection time of formaldehyde peak determined using the proposed isocratic method was reduced from 7 minutes (previous HPLC method) to approximately 3 minutes. LOD, LOQ, accuracy, and precision of the formaldehyde determined using standard solutions were 0.787 ppm, 2.507 ppm, 93.1%, and 0.33%, respectively, all of which are within their recommended ranges. Average concentrations of the formaldehyde in five exhaust gases ranged from 0.054 ppm to 1.159 ppm. The lowest concentration (0.054 ppm) was found at samples from waste gas incinerator in a bisphenol-A manufacturing plant. The highest was observed at samples from the absorption process in manufacturing facilities of chemicals including formaldehyde and hexamine. The analytical time of the formaldehyde in ambient air can be shortened by using the isocratic analytical method under appropriate mobile phase conditions.
목차
Abstract
1. 서론
2. 실험 방법
3. 결과 및 고찰
4. 요약 및 결론
References
참고문헌 (25)
참고문헌 신청
[학술지(정기간행물)] - Altshuller, A.P. / 1993 / Production of aldehydes as primary emissions and from secondary atmospheric reactions of alkenes and alkanes during the night and early morning hours / Atmospheric Environment 27 : 21 ~ 32
[학술지(정기간행물)] - Andesron, L.G. / 1996 / Sources and sinks of formaldehyde and acetaldehyde: an analysis of denver’s ambient concentration data / Atmospheric Environment 30 : 2113 ~ 2123
[학술지(정기간행물)] - Atkinson, R. / 1997 / Gas-phase tropospheric chemistry of organic compounds: 1. Alkanes and Alkenes / Journal of Physical and Chemical Reference Data 26 : 215 ~
[학술지(정기간행물)] - Carlier, P. / 1986 / The chemistry of carbonyl compounds in the atmosphere - A review / Atmospheric Environment 20 : 2079 ~ 2099
[학술지(정기간행물)] - Georghiou, P.E. / 1983 / Temperature dependence of the modified pararosanilne method for the determination of formaldehyde in air / Analytical Chemistry 55 : 567 ~ 570
[학술지(정기간행물)] - Andesron, L.G. / 1996 / Sources and sinks of formaldehyde and acetaldehyde: an analysis of denver’s ambient concentration data / Atmospheric Environment 30 : 2113 ~ 2123
[학술지(정기간행물)] - Atkinson, R. / 1997 / Gas-phase tropospheric chemistry of organic compounds: 1. Alkanes and Alkenes / Journal of Physical and Chemical Reference Data 26 : 215 ~
[학술지(정기간행물)] - Carlier, P. / 1986 / The chemistry of carbonyl compounds in the atmosphere - A review / Atmospheric Environment 20 : 2079 ~ 2099
[학술지(정기간행물)] - Georghiou, P.E. / 1983 / Temperature dependence of the modified pararosanilne method for the determination of formaldehyde in air / Analytical Chemistry 55 : 567 ~ 570
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UCI(KEPA) : I410-ECN-0101-2018-539-003413635