Density, Viscosity, Refractive Index and Excess Properties of Binary and Ternary Solutions of Poly (Ethylene Glycol), Sulfate Salts and Water at 298.15 K

Parmoon, Golamhossein; Mohammadi Nafchi, Abdorreza; Pirdashti, Mohsen

doi:10.22036/pcr.2019.198939.1667

Density, Viscosity, Refractive Index and Excess Properties of Binary and Ternary Solutions of Poly (Ethylene Glycol), Sulfate Salts and Water at 298.15 K

Document Type : Regular Article

Authors

Golamhossein Parmoon ¹

Abdorreza Mohammadi Nafchi ²

Mohsen Pirdashti ³

¹ Department of chemical engineering, Damghan Branch, Islamic Azad University, Damghan, Iran,

² School of Industrial Technology, Universiti Sains Malaysia, 11800,Penang, Malaysia

³ Chemical Engineering Department, Faculty of Engineering, Shomal University, PO Box 731, Amol, Mazandaran, Iran

https://doi.org/10.22036/pcr.2019.198939.1667

Abstract

The refractive index (n_D ), viscosity(η) and density (ρ) values of the poly (ethylene glycol) (PEG) 300,400 and 600 + water , zinc sulfate, magnesium sulfate and aluminum sulfate + water binary and their ternary solutions have been measured at 298.15 K and atmospheric pressure. In this work, the effect of concentration (0.05-0.3 %w/w), PEG molecular weight and type of cation on the n_D,η and ρ of the mention binary and ternary mixtures have been explored. Furthermore, the experimental measurements were applied to compute the refractive index deviation (Δn_D), viscosity deviation (Δƞ), the apparent specific volume (V_φ), excess molar volume (V^E) and excess Gibbs energy of activation for viscous flow〖ΔG〗^(≠E)) for the analysis of the behavior of the solutions. Δn_D and V^E were fitted to the Cibulka and a third-order Redlich–Kister polynomial models to estimate the interaction parameters. The intermolecular interactions between the mixing components were demonstrated by the obtained data from the calculated functions.

Graphical Abstract

$Density, Viscosity, Refractive Index and Excess Properties of Binary and Ternary Solutions of Poly (Ethylene Glycol), Sulfate Salts and Water at 298.15 K$