Evaluating open-path FTIR spectrometer data using different quantification methods, libraries, and background spectra obtained under varying environmental conditions

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Studies were performed to evaluate the accuracy of open-path Fourier Transform Infrared (OP-FTIR) spectrometers using a 35 foot outdoor exposure chamber in Pittsboro, North Carolina. Results obtained with the OP-FTIR spectrometer were compared to results obtained with a reference method (a gas chromatograph equipped with a flame ionization detector, GC-FID). Concentration results were evaluated in terms of the mathematical methods and spectral libraries used for quantification. In addition, the research investigated the effect on quantification of using different backgrounds obtained at various times during the day. The chemicals used in this study were toluene, cyclohexane, and methanol; and these were ... continued below

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119 p.

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Tomasko, M.S. December 31, 1995.

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Studies were performed to evaluate the accuracy of open-path Fourier Transform Infrared (OP-FTIR) spectrometers using a 35 foot outdoor exposure chamber in Pittsboro, North Carolina. Results obtained with the OP-FTIR spectrometer were compared to results obtained with a reference method (a gas chromatograph equipped with a flame ionization detector, GC-FID). Concentration results were evaluated in terms of the mathematical methods and spectral libraries used for quantification. In addition, the research investigated the effect on quantification of using different backgrounds obtained at various times during the day. The chemicals used in this study were toluene, cyclohexane, and methanol; and these were evaluated over the concentration range of 5-30 ppm.

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119 p.

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OSTI as DE97053591

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  • Other Information: TH: Thesis (Ph.D.)

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  • Other: DE97053591
  • Report No.: DOE/OR/00033--T780
  • Grant Number: AC05-76OR00033
  • Office of Scientific & Technical Information Report Number: 587725
  • Archival Resource Key: ark:/67531/metadc691394

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Office of Scientific & Technical Information Technical Reports

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  • December 31, 1995

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  • Aug. 14, 2015, 8:43 a.m.

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  • June 10, 2016, 9:09 p.m.

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Tomasko, M.S. Evaluating open-path FTIR spectrometer data using different quantification methods, libraries, and background spectra obtained under varying environmental conditions, thesis or dissertation, December 31, 1995; United States. (digital.library.unt.edu/ark:/67531/metadc691394/: accessed October 17, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.