Densities and viscosities of binary mixtures of n-decane+1-pentanol,+1-hexanol,+1-heptanol at temperatures from 293.15 to 363.15 K and atmospheric pressure

doi:10.1016/j.cjche.2013.10.001

Abstract

Abstract: Densities (ρ) and dynamic viscosities (η) for three binary mixtures of n-decane with 1-pentanol, 1-hexanol and 1-heptanol are presented at temperatures from 293.15 to 363.15 K and atmospheric pressure over the entire composition range. The density and viscosity are measured using a vibrating tube densimeter and a cylindrical Couette type rotating viscometer, respectively. Excess molar volumes (V^E), viscosity deviations (Δη) and excess Gibbs energy of activation of viscous flow (ΔG^*E)) are calculated from the experimentalmeasurements. Intermolecular and structural interactions are indicated by the sign and magnitude of these properties. Partial molar volumes and infinity dilution molar partial volumes are also calculated for each binary system. These results are correlated using Redlich-Kister type equations.

Key words: n-Decane, 1-Alcohol, Density, Viscosity, Partial molar volumes

摘要： Densities (ρ) and dynamic viscosities (η) for three binary mixtures of n-decane with 1-pentanol, 1-hexanol and 1-heptanol are presented at temperatures from 293.15 to 363.15 K and atmospheric pressure over the entire composition range. The density and viscosity are measured using a vibrating tube densimeter and a cylindrical Couette type rotating viscometer, respectively. Excess molar volumes (V^E), viscosity deviations (Δη) and excess Gibbs energy of activation of viscous flow (ΔG^*E)) are calculated from the experimentalmeasurements. Intermolecular and structural interactions are indicated by the sign and magnitude of these properties. Partial molar volumes and infinity dilution molar partial volumes are also calculated for each binary system. These results are correlated using Redlich-Kister type equations.

关键词: n-Decane, 1-Alcohol, Density, Viscosity, Partial molar volumes

Alejandro Estrada-Baltazar, Micael Gerardo Bravo-Sanchez, Gustavo Arturo Iglesias-Silva, Juan Francisco Javier Alvarado, Edgar Omar Castrejon-Gonzalez, Mariana Ramos-Estrada. Densities and viscosities of binary mixtures of n-decane+1-pentanol,+1-hexanol,+1-heptanol at temperatures from 293.15 to 363.15 K and atmospheric pressure[J]. , 2015, 23(3): 559-571.

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