Abstract
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.
Work performed under the auspices of the US Atomic Energy Commission.
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© 1971 New England Nuclear Corporation
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Ruby, S.L., Pelah, I. (1971). Crystals, Supercooled Liquids, and Glasses in Frozen Aqueous Solutions. In: Gruverman, I.J. (eds) Proceedings of the Sixth Symposium on Mössbauer Effect Methodology New York City, January 25, 1970. Springer, Boston, MA. https://doi.org/10.1007/978-1-4684-3159-9_3
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DOI: https://doi.org/10.1007/978-1-4684-3159-9_3
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