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Proceedings Paper

Control of separation and quantitative analysis by GC-FTIR
Author(s): A. Semmoud; Jean Pierre Huvenne; P. Legrand
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Paper Abstract

Software for 3-D representations of the 'Absorbance-Wavenumber-Retention time' is used to control the quality of the GC separation. Spectral information given by the FTIR detection allows the user to be sure that a chromatographic peak is 'pure.' The analysis of peppermint essential oil is presented as an example. This assurance is absolutely required for quantitative applications. In these conditions, we have worked out a quantitative analysis of caffeine. Correlation coefficients between integrated absorbance measurements and concentration of caffeine are discussed at two steps of the data treatment.

Paper Details

Date Published: 1 March 1992
PDF: 2 pages
Proc. SPIE 1575, 8th Intl Conf on Fourier Transform Spectroscopy, (1 March 1992); doi: 10.1117/12.56374
Show Author Affiliations
A. Semmoud, Univ. des Sciences et Techniques de Lille Flandres (France)
Jean Pierre Huvenne, Univ. des Sciences et Techniques de Lille Flandres (France)
P. Legrand, Univ. des Sciences et Techniques de Lille Flandres (France)


Published in SPIE Proceedings Vol. 1575:
8th Intl Conf on Fourier Transform Spectroscopy

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