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Nucleation from a supercooled binary mixture studied by crossed polarizers
journal contribution
posted on 2023-05-18, 09:05 authored by Peter Wilson, Haymet, ADPolarized light passing through a supercooled binary liquid mixture sample is analyzed during the moment of the nucleation of the crystal phase to determine whether the stable equilibrium crystal is nucleated, or whether a transient phase of different composition or broken-symmetry is formed. This experiment is performed for the particular case of heterogeneous nucleation of a supercooled clathrate-forming liquid mixture, tetrahydrofuran (THF)/water, compared with ice nucleating from pure supercooled water. The new experimental results are consistent with the hypothesis that the equilibrium clathrate hydrate crystal is nucleated directly, with no transient phase detected on the time scale of these experiments
History
Publication title
The journal of physical chemistry. AVolume
109Issue
50Pagination
11354-7ISSN
1089-5639Department/School
College Office - College of Health and MedicinePublisher
Amer Chemical SocPlace of publication
1155 16Th St, Nw, Washington, USA, Dc, 20036Repository Status
- Restricted