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Density and excess properties of aqueous n-methyldiethanolamine solutions from (298.15 to 338.15) K

A., Muhammad and M.I., Abdul Mutalib and T., Murugesan and A., Shafeeq (2008) Density and excess properties of aqueous n-methyldiethanolamine solutions from (298.15 to 338.15) K. [Citation Index Journal]

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Abstract

Densities (&rho) of pure and aqueous N-methyldiethanolamine (MDEA) solutions (wMDEA = 0.3228 or 4 mol·kg-1 and w MDEA = 0.4880 or 8 mol·kg-1) at (298.15 to 338.15) K were measured at atmospheric pressure and also correlated. The coefficients of thermal expansion (α&rho) values were calculated from the experimental density data for the investigated compositions, using an empirical correlation. The excess molar volumes of aqueous MDEA solutions for mole fractions (0.0128 to 0.7531) were calculated from experimental densities at temperatures (298.15 to 338.15) K and correlated with the Redlich-Kister equation. The partial molar volumes of MDEA in water at infinite dilution and the change in volume were also determined using Redlich-Kister coefficients. © 2008 American Chemical Society.

Item Type:Citation Index Journal
Impact Factor:2.063
Uncontrolled Keywords:Excess properties; N-methyldiethanolamine
Subjects:T Technology > TP Chemical technology
Departments / MOR / COE:Departments > Chemical Engineering
ID Code:593
Deposited By: Prof Dr Thanabalan Murugesan
Deposited On:09 Mar 2010 02:29
Last Modified:19 Jan 2017 08:26

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