Control of separation and quantitative analysis by GC-FTIR

A. Semmoud; Jean Pierre Huvenne; P. Legrand

doi:10.1117/12.56374

1 March 1992 Control of separation and quantitative analysis by GC-FTIR

A. Semmoud, Jean Pierre Huvenne, P. Legrand

Proceedings Volume 1575, 8th Intl Conf on Fourier Transform Spectroscopy; (1992) https://doi.org/10.1117/12.56374
Event: Eighth International Conference on Fourier Transform Spectroscopy, 1991, Lubeck-Travemunde, Germany

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.

Citation Download Citation

A. Semmoud, Jean Pierre Huvenne, and P. Legrand "Control of separation and quantitative analysis by GC-FTIR", Proc. SPIE 1575, 8th Intl Conf on Fourier Transform Spectroscopy, (1 March 1992); https://doi.org/10.1117/12.56374

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