Abstract
Methods of decomposing the IR spectra of coal and related materials are considered—specifically, methods based on baselines, reference spectra, difference spectra, and decomposition by Gaussian functions. Their advantages and disadvantages are identified. A method of spectral decomposition by polynomial components is proposed, on the basis of approximation by minimization of a nonquadratic cost function. For the example of Zh coal and coal pitch, the new method is shown to be a promising means of increasing the available spectral information.
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Original Russian Text © Yu.M. Possokhov, V.I. Butakova, V.K. Popov, 2015, published in Koks i Khimiya, 2015, No. 2, pp. 9–18.
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Possokhov, Y.M., Butakova, V.I. & Popov, V.K. Decomposition of IR spectra of coal. Coke Chem. 58, 49–57 (2015). https://doi.org/10.3103/S1068364X15020052
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DOI: https://doi.org/10.3103/S1068364X15020052