Crystals, Supercooled Liquids, and Glasses in Frozen Aqueous Solutions

  • S. L. Ruby
  • I. Pelah
Conference paper


Aqueous solutions of HCl separate into nearly pure ice and eutectic “pockets” on cooling. The eutectic composition is near HCl · 6H2O and should crystallize below T ≈ 200°K. However, this material is easy to supercool and even to make into a glass. If SnCl4 is added to the solution, all of the tin appears in the eutectic pockets. We have used electrical conductivity and differential thermal analysis as well as Mössbauer studies to clarify these phenomena. The rms displacement of the tin atoms has been measured as a function of the temperature of all these phases. To the extent to which glasses or supercooled liquids are similar to ordinary solutions, this extends the Mössbauer technique to the study of ions in solution.


Supercooled Liquid Differential Thermal Analysis Result Quick Cool Ordinary Solution Freeze Aqueous Solution 
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Copyright information

© New England Nuclear Corporation 1971

Authors and Affiliations

  • S. L. Ruby
    • 1
  • I. Pelah
    • 1
  1. 1.Argonne National LaboratoryArgonneUSA

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