한국대기환경학회지 (Journal of Korean Society for Atmospheric Environment)

  • 제22권2호
  • /
  • Pages.201-208
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  • 2006
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  • 1598-7132(pISSN)
  • /
  • 2383-5346(eISSN)
한국대기환경학회 (Korean Society for Atmospheric Environment)
권호 표지

DNPH cartridge/LC-MS 방법에 의한 카르보닐화합물 분석에 관한 연구

Analysis of Carbonyl Compounds using DNPH Cartridge with LC-MS

  • 조덕희 (경기도보건환경연구원 악취분석팀) ;
  • 송일석 (경기도보건환경연구원 악취분석팀)
  • Cho Deok-Hee (Odor Analysis Team, Gyeonggi-Do Institute of Health and Environment) ;
  • Song Il-Seok (Odor Analysis Team, Gyeonggi-Do Institute of Health and Environment)
  • 발행 : 2006.04.01
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초록

Several carbonyl compounds are important because of their irritant and toxic properties, mutagenicity and carcinogenicity. Therefore, they are regulated in korean odor emission standard. In this study, atmospheric pressure ionization-mass spectrometry(API-MS) is used for the analysis of carbonyl compounds after derivatization with 2, 4-dinitrophenylhydrazine (DNPH) and liquid chromatographic separation. In the negative ion mode, the $[M-H]^-$ pseudomolecular ions are most abundant for the carbonyls. Analytical parameters such as linearity, repeatability and minimum detection limit were evaluated. The linearities ($r^2$) for carbonyls were $0.9977{\sim}0.9999$ when analyte concentration ranges from $25\;to\;250{\mu}g/L$(n=6). The relative standard deviations (%RSD) for carbonyls were $0.55{\sim}3.51%$ for concentration of $100{\mu}g/L$(n=5). The minimum detection limit (MDL) was $1.88{\mu}g/L$(0.27 ppb) for i-valeraldehyde. It was shown that LC-MS method has a great potential for carbonyl compounds analysis.

키워드

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