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Title: Viscosity and density of ternary mixtures of di-(2-ethylhexyl)phosphoric acid (DEHPA)-benzene-toluene
Authors: Swain, N
Chakravortty, V
Singh, S K
Panda, D
Issue Date: Nov-1999
Publisher: NISCAIR-CSIR, India
Abstract: Viscosities and densities of the ternary liquid mixtures of di (2-ethylhexyl) phosphoric acid + benzene + toluene have been measured at 30, 35, 40 and 45°C. The mixture viscosity, ηm is fitted to a Redlich-Kister-type equation which includes the contribution of each constituent binary system along with a ternary contribution term. The non-idealities reflected in mixture viscosities are expressed and discussed in terms of excess viscosities which are negative over the entire range of mole fraction. Negative values of excess viscosity, ηE, and the nonlinear variation of viscosity and density with change of composition indicate molecular interaction between the polar extractant and non-polar diluents.
Page(s): 1116-1122
Appears in Collections:IJC-A Vol.38A(11) [November 1999]

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