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Аналiз комплексоутворення у рiдких розчинах бензолу з хлороформом методами iнфрачервоної двовимiрної кореляцiйної спектроскопiї та багатовимiрного роздiлення кривих

Аналiз комплексоутворення у рiдких розчинах бензолу з хлороформом методами iнфрачервоної двовимiрної кореляцiйної спектроскопiї та багатовимiрного роздiлення кривих

Mid-IR spectroscopy is used for the investigation of the formation of molecular complexes in a liquid benzene-chloroform solution. Spectra are measured in the spectral interval 2950–3100 cm−1, which corresponds to CH stretching vibrations of benzene and chloroform. The 2D correlation analysis of spe...

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Bibliographic Details
Main Authors: Ilchenko, O. O., Kutsyk, A. M., Pilgun, Y. V., Obukhovsky, V. V., Nikonova, V. V.
Format: Article
Language:English
Published: Publishing house "Academperiodika" 2019
Subjects:
Mid-IR spectroscopy
benzene
chloroform
complex formation
multivariate curve resolution
2D correlation spectroscopy
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Online Access:https://ujp.bitp.kiev.ua/index.php/ujp/article/view/2019073
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Summary:Mid-IR spectroscopy is used for the investigation of the formation of molecular complexes in a liquid benzene-chloroform solution. Spectra are measured in the spectral interval 2950–3100 cm−1, which corresponds to CH stretching vibrations of benzene and chloroform. The 2D correlation analysis of spectral data indicates the presence of molecular complexes in the solution. The analysis of residual spectra also supports this conclusion. Model-free and model-based analyses are applied for the decomposition of spectral data. The concentration and spectral profiles of molecular complexes are determined. The analysis shows that a complex consists of one molecule of benzene and one molecule of chloroform.

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