Bulletin of the Korean Chemical Society

Korean Chemical Society (대한화학회)
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Gas Phase Optoacoustic Spectra and Raman Spectra of Some Chlorinated Pollutants

  • Joong-Gil Choi (Department of Chemistry, Yonsei University) ;
  • Jin-soo Hwang (Department of Chemistry, Yonsei University) ;
  • Paeng Ki-Jung (Department of Chemistry, Yonsei University) ;
  • Gerald J. Diebold (Department of Chemistry, Brown University,)
  • Published : 1993.02.20
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Abstract

Laser optoacoustic technique has been employed to obtain the gas phase absorption spectra of 1-chloronaphthalene, 3-chlorobiphenyl, and 2,5,2'-trichlorobiphenyl in conjunction with a gas chromatograph and a Helmholtz resonator at the various $CO_2$ laser wavelengths. Raman spectra of 1-chloronaphthalene, 4-chlorobiphenyl, and 4,4'-dichlorobiphenyl in condensed phase have been also obtained. The optoacoustic measurement of the infrared absorption in gas phase has been shown to be of value in monitoring the environmental pollutants.

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