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IJC-A Vol.48A(07) [July 2009] >


Title: Studies of partial molar volumes of alkylamines in non-electrolyte solvents. V – Alkylamines in toluene at 303.15 K
Authors: Oswal, S L
Ijardar, S P
Keywords: Solution chemistry
Thermodynamics
Hard sphere theory
Scaled particle theory
ERAS model
Partial molar volumes
Alkylamines
Toluene
Issue Date: Jul-2009
Publisher: CSIR
Abstract: Apparent molar volumes,V,B , of n-propylamine, n-butylamine, di-n-propylamine, di-n-butylamine, triethylamine, tri-n-propylamine, and tri-n-butylamine in toluene at 303.15 K have been determined with high precision vibrating tube Anton Paar densimeter. The limiting partial molar volumes and limiting excess partial molar volumes are analysed and interpreted in terms of solute-solvent interactions and structural effects of the molecules. An attempt has been made to find a measure of the contribution of the specific interactions to the partial molar volumes of primary, secondary and tertiary amines in toluene using Terasawa model, scaled particle theory and hard sphere theory. The ERAS model has also been applied to estimate the apparent molar volumes and excess apparent molar volumes of alkylamines in toluene solutions.
Page(s): 930-939
ISSN: 0975-0975 (Online); 0376-4710 (Print)
Source:IJC-A Vol.48A(07) [July 2009]

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