Conductivity in MnSO4–saccharide–water solutions at 298.15K

•Conductivities Λ for MnSO4–saccharide–water solutions were measured.•Limiting molar conductivity for ½MnSO4 decreases with increasing saccharide molality.•Values of Λ0 for ½MnSO4 at a given ms are in the order: fructose>galactose>glucose.•Values of Λ0 for ½MnSO4 at given ms are larger than th...

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Bibliographic Details
Published in:Fluid phase equilibria 2013-08, Vol.352, p.28-33
Main Authors: Zhao, Jing, Chen, Yujuan, Liu, Yaohui, Zhuo, Kelei
Format: Article
Language:English
Subjects:
Conductivity
d-Fructose
d-Galactose
d-Glucose
Manganese sulfate
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Summary:•Conductivities Λ for MnSO4–saccharide–water solutions were measured.•Limiting molar conductivity for ½MnSO4 decreases with increasing saccharide molality.•Values of Λ0 for ½MnSO4 at a given ms are in the order: fructose>galactose>glucose.•Values of Λ0 for ½MnSO4 at given ms are larger than those for ½MnSO4. Conductivities for MnSO4–saccharide (d-glucose, d-galactose and d-fructose)–water solutions were measured, together with densities, viscosities of the aqueous saccharide solutions at 298.15K. According to the Lee–Wheaton conductivity equation, limiting molar conductivities Λ0 and association constants KA were obtained. The Walden products (Λ0η0) were also calculated. These parameters have been interpreted in terms of ion–ion and ion–solvent interactions in aqueous saccharide solutions.
ISSN:0378-3812
1879-0224
DOI:10.1016/j.fluid.2013.05.006