Quantitative determination of polymer and mineral content in paper coatings by infrared spectroscopy. Improvements by non-linear treatments

The quality of a printed image on coated papers, to a great extent, depends on the coating surface properties (nature of the components, relative abundance and so on). The potential of infrared spectroscopy as a rapid analytical technique for the quantitative analysis of the coating is demonstrated....

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Bibliographic Details
Published in:Analytica chimica acta 1996-12, Vol.335 (1), p.79-85
Main Authors: Dupuy, N., Ruckebusch, C., Duponchel, L., Beurdeley-Saudou, P., Amram, B., Huvenne, J.P., Legrand, P.
Format: Article
Language:English
Subjects:
Analytical chemistry
Attenuated total reflectance
Chemical Sciences
Chemometrics
Infrared spectrometry
Neural networks
Paper coatings
Partial least squares
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Summary:The quality of a printed image on coated papers, to a great extent, depends on the coating surface properties (nature of the components, relative abundance and so on). The potential of infrared spectroscopy as a rapid analytical technique for the quantitative analysis of the coating is demonstrated. Experimentally, spectra are recorded by Attenuated total reflectance (ATR) with Fourier transform infrared spectroscopy. Partial least squares (PLS) regression is used as the multivariate linear calibration method for predicting calcium carbonate, styrene and butadiene in the coatings. The effect of non-linear treatments is established by the improvements which occurred after the multiplicative scatter correction or the application of an artificial neural network on the PLS scores, especially near the concentration limits of each compound.
ISSN:0003-2670
1873-4324
DOI:10.1016/S0003-2670(96)00328-5