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Applied Spectroscopy

Applied Spectroscopy

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  • Vol. 42, Iss. 2 — Feb. 1, 1988
  • pp: 359–369

Performance of a Gas Chromatographic-Matrix Isolation-Fourier Transform Infrared Spectrometer

Thomas T. Holloway, Billy J. Fairless, Charles E. Freidline, Harry E. Kimball, Robert D. Kloepfer, Charles J. Wurrey, Laleh A. Jonooby, and Harold G. Palmer

Applied Spectroscopy, Vol. 42, Issue 2, pp. 359-369 (1988)


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Abstract

The unique matrix-isolated (MI) Fourier transform infrared spectra of diethyl ether, propanal, and trifluoromethane are compared with their vapor-phase spectra. The marked increase in resolution seen in the MI spectra is accompanied by substantial frequency shifts from the peaks in the vapor-phase spectra. The spectra were generated with a gas chromatographic/matrix isolation/Fourier transform infrared spectrometer, with the use of frozen Ar at 13 K as the isolating matrix. The spectra of the 22 isomers of tetrachlorodibenzo-p-dioxin show that each isomer can be distinguished and quantitated at the nanogram level. In addition, preliminary quantitative data were obtained for the pesticides Terbufos® and Fonofos®. Finally, a problem with a previously published spectrum of C-13 2,3,7,8-tetrachlorodibenzo-p-dioxin was uncovered, and it was shown that the spectrum was actually that of C-13 2,3,7-trichlorodibenzo-p-dioxin.

Citation
Thomas T. Holloway, Billy J. Fairless, Charles E. Freidline, Harry E. Kimball, Robert D. Kloepfer, Charles J. Wurrey, Laleh A. Jonooby, and Harold G. Palmer, "Performance of a Gas Chromatographic-Matrix Isolation-Fourier Transform Infrared Spectrometer," Appl. Spectrosc. 42, 359-369 (1988)
http://www.opticsinfobase.org/as/abstract.cfm?URI=as-42-2-359


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