Apparent molar volumes and apparent molar heat capacities of aqueous adonitol, dulcitol, glycerol, meso-erythritol, myo-inositol, d-sorbitol, and xylitol at temperatures from (278.15 to 368.15) K and at the pressure 0.35 MPa

• Published in: The Journal of chemical thermodynamics Vol. 39; no. 4; pp. 627 - 644
• Main Authors: Blodgett, M.B., Ziemer, S.P., Brown, B.R., Niederhauser, T.L., Woolley, E.M.
• Format: Journal Article
• Language: English
• Published: Kidlington Elsevier Ltd 01.04.2007; Elsevier
• Subjects: Adonitol; Apparent molar heat capacity; Apparent molar volume; Biological and medical sciences; Chemical thermodynamics; Chemistry; d-orbitol; Dulcitol; Exact sciences and technology; Food additives; Food industries; Fundamental and applied biological sciences. Psychology; General and physical chemistry; General aspects; Glycerol; meso-Erythritol; Mixtures; myo-Inositol; Thermodynamic properties; Xylitol; Xylitol; Apparent molar heat capacity; myo-Inositol; Dulcitol; Glycerol; Apparent molar volume; meso-Erythritol; d-orbitol; Adonitol; Sorbitol; Inositol; Galactitol; Molar volume; Heat capacity; B-Vitamins; D-orbitol; Erythritol; Thermal properties; Alditol; Cyclitol; Apparent quantity; Sweetener; Aqueous solution; Thermodynamic properties
• ISSN: 0021-9614; 1096-3626
• DOI: 10.1016/j.jct.2006.08.009

Apparent molar volumes V ϕ were determined for aqueous adonitol, dulcitol, glycerol, meso-erythritol, myo-inositol, d-sorbitol, and xylitol at temperatures from (278.15 to 368.15) K and at the pressure 0.35 MPa, and apparent molar heat capacities C p, ϕ of the same solutions were determined at temperatures from (278.15 to 363.15) K at the same pressure. Molalities m/(mol · kg −1) of the solutions were in the range (0.02 ⩽ m ⩽ 3.2) for adonitol, (0.02 ⩽ m ⩽ 0.15) for dulcitol, (0.02 ⩽ m ⩽ 5.0) for glycerol, (0.02 ⩽ m ⩽ 3.0) for meso-erythritol, (0.02 ⩽ m ⩽ 0.5) for myo-inositol, (0.02 ⩽ m ⩽ 2.0) for d-sorbitol, and (0.02 ⩽ m ⩽ 2.7) for xylitol. A vibrating tube densimeter was used to obtain solution densities and a fixed-cell temperature scanning calorimeter was used to obtain heat capacities. Values of V ϕ and C p, ϕ for these sugar alcohols are discussed relative to one another and compared to values from the literature, where available.