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Recent Applications of Fourier Transform Infrared Spectrometry in Chemical and Environmental Analysis

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Several different applications of Fourier transform infrared (FT-ir) spectrometry being developed at Ohio University are described. A dual-beam FT-ir system which enables identifiable GC-ir spectra to be measured from less than 100 ng of material is described. A method for removing the solvent from the effluent from a high performance liquid chromatograph is proposed, together with a device for on-line LC-ir at the submicrogram level. Calculations showing the effect of the instrument line shape function of an FT-ir spectrometer used with or without apodization on Lorentzian absorption bands are described, and the implications of the results of these calculations on spectral subtraction and remote sensing experiments are discussed.

Keywords: Environmental analysis; Fourier transform infrared spectroscopy; Gas chromatography; High performance liquid chromatography; Infrared emission spectroscopy; Instrument line shape function; Remote sensing; Spectral subtraction

Document Type: Research Article

DOI: http://dx.doi.org/10.1366/000370277774464084

Affiliations: Department of Chemistry, Ohio University, Athens, Ohio 45701

Publication date: November 1, 1977

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