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Title: Studies on volumetric properties of triethylamine in organic solvents with varying polarity
Authors: Ijardar, S P
Malek, N I
Oswal, S L
Keywords: Solution chemistry;Volumetric properties;Alkylamines;Triethylamine;Partial molar volume;Void volume;Flory theory;ERAS model
Issue Date: Dec-2011
Publisher: NISCAIR-CSIR, India
Abstract: Apparent molar volumes () of dilute solutions of triethylamine in heptane, 2-butanone, ethyl ethanoate, butyl ethanoate, 1,4-dimethylbenzene, ethylbenzene, chlorobenzene, and nitrobenzene, at 303.15 K have been calculated from the densities determined. The limiting partial molar volumes (), limiting excess partial molar volumes () and volumes of transference () from heptane to the other investigated solvents of varying polarity have been analysed in terms of solute-solute-solvent interactions and structural effects of the molecules. Using the Terasawa model, an attempt has been made to find a measure of the contribution of specific interactions in terms of void volumes of triethylamine in the investigated solvents over a range of polarity. The Flory theory/ERAS model has also been applied to estimate the apparent molar volumes, excess apparent molar volumes and limiting excess partial molar volumes of triethylamine in investigated systems.
Page(s): 1709-1718
ISSN: 0975-0975(Online); 0376-4710(Print)
Appears in Collections:IJC-A Vol.50A(12) [December 2011]

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