| Summary: | This work focused on the preparation, physical and chemical characterization of water containing choline chloride-based solvents with lactic acid and 1,3-propanediol, 1,3-butanediol 1,4-butanediol, and 1,5-pentanediol, with different molar ratios. Of the physical and chemical properties, we determined density, viscosity, conductivity, and acidity. The results showed that the properties of the resulting solvent could be adjusted by the appropriate selection of another component. It has been shown that the addition of dihydric alcohol can lead to a significant reduction in viscosity and a slight decrease in density, which significantly affects the possibilities of solvent application. © 2022 by the authors.
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