Abstract
Analysis of multiparametric data on transmission spectra of 24 divins (Moldovan cognacs) in the 190–2600 nm range allows identification of outliers and their removal from a sample under study in the following consideration. The principal component analysis and classification tree with a single-rank predictor constructed in the 2D space of principal components allow classification of divin manufacturers. It is shown that the accuracy of syringaldehyde, ethyl acetate, vanillin, and gallic acid concentrations in divins calculated with the regression to latent structures depends on the sample volume and is 3, 6, 16, and 20%, respectively, which is acceptable for the application.
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Original Russian Text © M.A. Khodasevich, G.V. Sinitsyn, E.A. Skorbanova, M.V. Rogovaya, E.I. Kambur, V.A. Aseev, 2016, published in Optika i Spektroskopiya, 2016, Vol. 120, No. 6, pp. 1046–1051.
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Khodasevich, M.A., Sinitsyn, G.V., Skorbanova, E.A. et al. Determination of the chemical parameters and manufacturer of divins from their broadband transmission spectra. Opt. Spectrosc. 120, 978–982 (2016). https://doi.org/10.1134/S0030400X16050155
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DOI: https://doi.org/10.1134/S0030400X16050155