Prediction of excess molar volumes of binary mixtures of organic compounds from refractive indices

Radović, Ivona R., Kijevčanin, Mirjana Lj., Gabrijel, Marijan Z., Šerbanović, Slobodan P. and Djordjević, Bojan D. Prediction of excess molar volumes of binary mixtures of organic compounds from refractive indices Chemical Papers, Vol.62, No. 3, 2008, 302-312

Document type: Článok z časopisu / Journal Article
Collection: Chemical papers  

Author(s) Radović, Ivona R.
Kijevčanin, Mirjana Lj.
Gabrijel, Marijan Z.
Šerbanović, Slobodan P.
Djordjević, Bojan D.
Title Prediction of excess molar volumes of binary mixtures of organic compounds from refractive indices
Journal name Chemical Papers
Publication date 2008
Year available 2008
Volume number 62
Issue number 3
ISSN 0366-6352
Start page 302
End page 312
Place of publication Poland
Publisher Versita
Collection year 2008
Language english
Subject 250000 Chemical Sciences
250300 Organic Chemistry
Abstract/Summary The excess molar volumes of 51 binary mixtures containing diverse groups of organic compounds: alcohols (methanol, ethanol, propan-1-ol, butan-1-ol, pentan-1-ol, hexan-1-ol, and heptan-1-ol), (cyclo-) alkanes (hexane, heptane, octane, nonane, decane, undecane, dodecane, and cyclohexane), esters (diethyl carbonate and ethyl chloroacetate), aromatics (o-xylene, m-xylene, p-xylene, and ethylbenzene), ketones (acetone), and ethers (anisole), were predicted from the refractive index data, using three types of equations coupled with several different mixing rules for refractive index calculations: the Lorentz-Lorenz, Dale-Gladstone, Eykman, Arago-Biot, Newton, and the Oster. These systems were chosen since they belong to different classes of organic species forming molecular interactions and intermolecular forces during mixing resulting in positive or negative, smaller or larger deviations from ideal behaviour. The obtained results were analysed in terms of the applied equation and mixing rule, the nature of compounds of the mixtures and the influence of alkyl chain length of the alkane or alcohol molecule.
 
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