Journal of Korean Society for Atmospheric Environment (한국대기환경학회지)

Korean Society for Atmospheric Environment (한국대기환경학회)
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Measurements of the Benzene Absorption Cross Section in the Range of Ultra Violet (UV)

UV 영역에서 벤젠의 흡수 단면적의 측정

  • Lee, J.S. (Environmental Metrology Group, Division of Metrology for Quality Life, Korea Research Institute of Standards and Science (KRISS)) ;
  • Ryu, S.Y. (Environmental Metrology Group, Division of Metrology for Quality Life, Korea Research Institute of Standards and Science (KRISS)) ;
  • Kim, H.H. (Environmental Metrology Group, Division of Metrology for Quality Life, Korea Research Institute of Standards and Science (KRISS)) ;
  • Woo, J.C. (Environmental Metrology Group, Division of Metrology for Quality Life, Korea Research Institute of Standards and Science (KRISS)) ;
  • Kim, K.B. (Environmental Metrology Group, Division of Metrology for Quality Life, Korea Research Institute of Standards and Science (KRISS))
  • 이정순 (한국표준과학원 삶의질 표준부 환경그룹) ;
  • 류성윤 (한국표준과학원 삶의질 표준부 환경그룹) ;
  • 김현호 (한국표준과학원 삶의질 표준부 환경그룹) ;
  • 우진춘 (한국표준과학원 삶의질 표준부 환경그룹) ;
  • 김기복 (한국표준과학원 삶의질 표준부 환경그룹)
  • Published : 2006.12.31
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Abstract

An absolute absorption cross section of benzene was measured with a spectrometer system including a mono-chrometer and a grating in the wavelength region of $240{\sim}280nm$ under the atmospheric pressure and room temperature in the laboratory. A certificated reference benzene gas ($98{\mu}mol/mol$ in $N_2$) was used to measure its absorption cross section. A 710 mm cell with a quartz window and a 150 W Xe arc lamp were employed. The magnitude of absorption cross section of $1.41{\times}10^{-18}cm^2$ was lower than that of the reference spectra ($2.5{\times}10^{-18}cm^2$) of high resolution spectrometer, Total measurement uncertainty was estimated to be 4.0%.

Keywords

References

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