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Using Partial Least-Squares Regression in Multivariate UV Spectroscopic Analysis ofMixtures of Imidazolium-Based Ionic Liquids and 1-Methylimidazole for Measurements of Liquid-Liquid Equilibria
- 1.0385477 - ÚCHP 2013 RIV US eng J - Článek v odborném periodiku
Bendová, Magdalena - Sedláková, Zuzana - Andresová, Adéla - Wagner, Zdeněk
Using Partial Least-Squares Regression in Multivariate UV Spectroscopic Analysis ofMixtures of Imidazolium-Based Ionic Liquids and 1-Methylimidazole for Measurements of Liquid-Liquid Equilibria.
Journal of Solution Chemistry. Roč. 41, č. 12 (2012), s. 2164-2172. ISSN 0095-9782. E-ISSN 1572-8927
Grant CEP: GA ČR GP203/09/P141; GA AV ČR IAA400720710
Institucionální podpora: RVO:67985858
Klíčová slova: room-temperature ionic liquids * PLS2 * uv spectroscopy
Kód oboru RIV: CF - Fyzikální chemie a teoretická chemie
Impakt faktor: 1.128, rok: 2012
In this work a calibration technique is used that makes use of the partial least-squares regression in UV spectroscopic determination of concentrations of 1-butyl-3-methylimidazolium hexafluorophosphate and 1-methylimidazole. Partial least-squares regression using PLS2 algorithm occurs to provide an effective solution to decomposing complicated spectra, coping with components interferences, nonlinearities and collinearity. The calibration method for the chosen compounds was validated using test samples of known composition and by measuring liquid-liquid equilibria at 298.15 K in the ternary system 1-butyl-3-methylimidazolium hexafluorophosphate + 1-methylimidazole + 1-chlorobutane.
Trvalý link: http://hdl.handle.net/11104/0216339
Název souboru Staženo Velikost Komentář Verze Přístup 10.1007_s10953-012-9939-8.pdf 0 496.1 KB Autorský preprint povolen
Počet záznamů: 1