Binary system
Aliphatic alcohols
Dipropylamine
Viscosity
Refractive index
Density and Excess properties.
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Refractive indices (nD), viscosities (η) and densities (r) were deliberated for the binary
mixtures created by dipropyl amine with 1-octanol, 1-heptanol, 1-hexanol, 1-pentanol and tert-pentyl
alcohol at temperature 298.15 K over the perfect installation extent. The function of Redlich-Kister
were used to calculate and renovated of the refractive index deviations (∆nD), viscosity deviations
(ηE), excess molar Gibbs free energy (∆G*E) and excess molar volumes(Vm
E). The standard errors
and coefficients were respected by this function. The values of ∆nD, ηE, Vm
E and ∆G*E were plotted
against mole fraction of dipropyl amine. In all cases the obtained ηE, ∆G*E, Vm
E and ∆nD values were
negative at 298.15K. Effect of carbon atoms
...
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