Mathematical models for the Fourier transform infrared spectroscopic determination of ortho-, meta- and para-xylene in xylol
- 1 January 1991
- journal article
- research article
- Published by Royal Society of Chemistry (RSC) in The Analyst
- Vol. 116 (11) , 1159-1166
- https://doi.org/10.1039/an9911601159
Abstract
The analysis of infrared data of binary and ternary mixtures of o-, m- and p-xylene has been carried out using a series of mathematical models, which permit the quantitative analysis of samples by Fourier transform infrared spectroscopy without the need for absorption cells with a known optical pathlength. The relative errors found in the analysis of binary mixtures are of the order of 1.4%, and those found for ternary mixtures are lower than 3.0% in most instances, for samples containing from 10 to 75% m/m of each component. The proposed method can be applied to the analysis of xylol, a paint solvent that contains the three compounds assayed.Keywords
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