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Glass-forming composition regions and glass transition temperature in nonaqueous electrolyte solutions


With an interest in assessing the suitability of various nonaqueous solutions for electrolyte studies in the viscous region of the liquid state, the glass-forming properties of solutions of calcium nitrate dissolved in various nonaqueous solvents have been determined and compared with the corresponding aqueous solution properties. Solutions in dimethyl formamide prove of particular interest. The composition dependence of the glass temperature is similar in all solvents at high salt contents. “Ideal” glass temperatures, estimated from thermodynamic data for the pure solvents, are compared with experimental or extrapolated values.

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Sare, E.J., Angell, C.A. Glass-forming composition regions and glass transition temperature in nonaqueous electrolyte solutions. J Solution Chem 2, 53–57 (1973).

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Key words

  • Nonaqueous electrolytes
  • glass transition temperature
  • relaxation processes