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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
Partial molar volume
Void volume
Flory theory
ERAS model
Issue Date: Dec-2011
Publisher: NISCAIR-CSIR, India
Abstract: Apparent molar volumes (<img src=' phi-B.gif' border=0>) 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 (<img src=' B-infinity.gif' border=0>), limiting excess partial molar volumes (<img src=' B-E-infinity.gif' border=0>) and volumes of transference (<img src=' V-B-tr-infinity.gif' border=0>) 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.
Description: 1709-1718
ISSN: 0975-0975(Online); 0376-4710(Print)
Appears in Collections:IJC-A Vol.50A(12) [December 2011]

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