Yusuke Hiejima and Makoto Yao 2004 J. Phys.: Condens. Matter 16 7903 doi:10.1088/0953-8984/16/45/012
Phase behaviour of water confined in Vycor glass at high temperatures and pressures
Yusuke Hiejima1 and Makoto Yao
Show affiliationsThe phase behaviour of water confined in porous Vycor glass is investigated by means of dielectric measurements. The effective static permittivity εeff(0) of the sample, which consists of Vycor glass and water confined in the pores, is obtained over a wide range of temperature and pressure. The boiling point of the confined water is higher than that of bulk water by 
K. The enthalpy of vaporization for confined water is practically the same as that for bulk water. The critical point of the confined water is determined as lying at TcH2O/V ycor = 623(± 3) K and PcH2O/V ycor = 14(± 1.5) MPa; both of these values are lower than those for bulk water.
- PACS
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77.22.Ch Permittivity (dielectric function)
- Subjects
- Dates
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Issue 45 (17 November 2004)
Received 1 July 2004, in final form 18 October 2004
Published 29 October 2004
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Phase behaviour of water confined in Vycor glass at high temperatures and pressures
Yusuke Hiejima and Makoto Yao 2004 J. Phys.: Condens. Matter 16 7903
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