Aroni, Fryni, Kelarakis, Antonis and Havredaki, Vasiliki (2005) Volumetric behavior of a bolaamphiphile in different amides–water and ethylene glycol–water mixtures. Journal of Colloid and Interface Science, 292 (1). pp. 236-243. ISSN 00219797
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Official URL: http://dx.doi.org/10.1016/j.jcis.2005.06.020
The effect of binary aqueous mixtures of ethylene glycol (EG), formamide (FA), N-methylformamide (NMF), dimethylformamide (DMF), and their pure phase on the apparent molar volume ϕV of the bolaamphiphile decamethonium bromide (C10Me6) has been investigated at 298.15 K. The behavior of standard molar volumes and transfer volumes ΔtϕV of C10Me6 from water to solvent/water (S/W) binary mixtures, shows different minima and maxima depending on the composition of the solvent. This behavior is influenced by the nature of the cosolvent and on the type of the solute and more or less corresponds to volumetric changes in the S/W mixture. The investigation of the transfer volumes in different fixed concentrations reveals an inversion of ΔtϕV values between the compositions, which suggests a differentiation of the effects of different volume contributions on the partial molar volume of ions.
|Subjects:||Physical sciences > Chemistry|
|Schools:||Faculty of Science and Technology > School of Physical Sciences and Computing|
|Deposited By:||Antonios Kelarakis|
|Deposited On:||10 Dec 2013 16:09|
|Last Modified:||09 Aug 2016 15:19|
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