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Viscosity and Density of Binary Mixtures of Toluene + Igepal (CO-520, CO-630, CO-720, and CA-720) at T = 293.15–333.15 K and Atmospheric Pressure
Journal of Chemical & Engineering Data ( IF 2.369 ) Pub Date : 2020-01-03 , DOI: 10.1021/acs.jced.9b00718
Camila Leite Paiva; Regiane Silva Pinheiro; Filipe Xavier Feitosa; Hosiberto Batista de Sant’Ana

Surfactants are widely used in industrial applications associated with several solvents. Therefore, it is worthy to know the nature of the molecular interactions present in surfactants and cosurfactant mixtures, whose thermodynamic and physical properties can provide important information from an academic and industrial viewpoint. In this work, density and viscosity data of binary mixtures of toluene + Igepal series (Igepal CO-520, Igepal CO-630, Igepal CO-720, or Igepal CA-720) were experimentally determined within a range of temperature T = 293.15–333.15 K and at an atmospheric pressure of 101.325 kPa. From these data, the following derivative properties have been evaluated: excess molar volume, viscosity deviation, thermal expansion coefficient, partial molar volume, and excess thermal expansion coefficient. It was observed that all these mixtures showed the prevalence of dispersion intermolecular forces.
更新日期:2020-01-04

 

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