What question did this study set out to answer?

This work investigates the thermophysical properties of the IL-PSI-sugar-water system at 298.15 K.

February 26, 2026

Thermodynamic Properties and Synergistic Interactions in the IL-PSI–Sugar–Water System: Hydrogen-Bond Network Enhancement and Microstructural Strengthening

Key Points

This work investigates the thermophysical properties of the IL-PSI-sugar-water system at 298.15 K.
Analyzed density, viscosity, volumetric properties, and electrical conductivity of the system.
Applied Redlich–Mayer and Jones–Dole equations to determine apparent molar volume and viscosity B-coefficient.
Used Kohlrausch’s law to establish limiting molar conductivity and compute the Walden product.
Identified critical aggregation concentrations through conductometric measurements.
Quantified aggregation thermodynamics using a pseudophase model.
Determined significant solute–solute and solute–solvent interactions.
Observed changes in thermodynamic properties across the experimental conditions.
Established a relationship between viscosity and density in the tested system.

Abstract

This work examines the thermophysical properties, (density, volumetric properties, electrical conductivity, viscosity) of the 1-ethyl-3-methylimidazolium diethyl phosphate (IL-PSI)–sugar–water system at 298.15 K. Experimental density (ρ) and viscosity (η) data were analyzed using the Redlich–Mayer and Jones–Dole equations to obtain the apparent molar volume (VΦ) and the viscosity B-coefficient, respectively. Kohlrausch’s law was used to determine the limiting molar conductivity (Λ0), and the Walden product (Λ0η0) was subsequently calculated. Critical aggregation concentrations were identified through conductometric measurements, and the related aggregation thermodynamics were quantified via a pseudophase model. Through this thermodynamic analysis, solute–solute and solute–solvent interactions were probed to shed light on the microscopic organization of these systems.

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Cite This Study

Gong et al. (Tue,) studied this question.

synapsesocial.com/papers/699f956d1bc9fecf3dab3289 https://doi.org/https://doi.org/10.1021/acs.jced.5c00670

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