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Abstract

Densities and sound velocities at temperatures (298.15, 303.15, 308.15, 313.15 and 318.15) K of magnesium( II), calcium(II) and strontium(II) trifluoromethanesulfonates (triflates), as well as barium(II) perchlorate in N,N-dimethylformamide (dmf) and N,N-dimethylacetamide (dma) have been measured over the composition range studied. From these results, apparent molar volumes and apparent molar isentropic compressibilities at infinite dilution, as well as expansibilities have been evaluated. The results have been discussed in terms of ion-solvent interactions and coordination number. (C) 2015 Elsevier Ltd. All rights reserved.

Keywords

Solvation; Apparent molar volume; Apparent molar isentropic compressibility; Alkaline earth metal ions; N,N-dimethylacetamide; N,N-dimethylformamide

Published in

Journal of Chemical Thermodynamics
2016, volume: 92, pages: 108-117
Publisher: ACADEMIC PRESS LTD- ELSEVIER SCIENCE LTD

SLU Authors

  • Lundberg, Daniel

    • The Department of Chemistry and Biotechnology, Swedish University of Agricultural Sciences

UKÄ Subject classification

Analytical Chemistry
Physical Chemistry

Publication identifier

  • DOI: https://doi.org/10.1016/j.jct.2015.08.033

Permanent link to this page (URI)

https://res.slu.se/id/publ/75306