Phase transition of the water confined in porous glass studied by the spin-probe method
- 1 January 1988
- journal article
- research article
- Published by Royal Society of Chemistry (RSC) in Journal of the Chemical Society, Faraday Transactions 1: Physical Chemistry in Condensed Phases
- Vol. 84 (12) , 4509-4512
- https://doi.org/10.1039/f19888404509
Abstract
The spectra of a spin probe, 2,2,6,6-tetramethyl-4-piperidone N-oxide, dissolved in the water confined in a porous glass (Vycor) have been measured down to –40 °C. The viscosity of the water in the pores in the glass was five times greater than that of the supercooled bulk water. Water in the pore froze near –24 °C, but some fractions remained unfrozen even at –40 °C. Ice in the pore melted near –10 °C.Keywords
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