Two triple points in the H2O-H2 system

Using a volumetric technique, phase transitions in the H 2 O-H 2 system were investigated in the vicinity of two points of an invariant equilibrium, L+I h +sII and L+sII+C 1 , located at 1.07 kbar and−10 °C and at 3.6 kbar and 1 °C, respectively. Liquid water (L), low-pressure hexagonal ice (I h ) a...

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Bibliographic Details
Published inHigh pressure research Vol. 29; no. 2; pp. 250 - 253
Main Authors Efimchenko, V. S., Antonov, V. E., Barkalov, O. I., Klyamkin, S. N., Tkacz, M.
Format Journal Article
LanguageEnglish
Published Taylor & Francis 01.06.2009
Subjects
high pressures
hydrogen hydrates
phase equilibria
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Summary:Using a volumetric technique, phase transitions in the H 2 O-H 2 system were investigated in the vicinity of two points of an invariant equilibrium, L+I h +sII and L+sII+C 1 , located at 1.07 kbar and−10 °C and at 3.6 kbar and 1 °C, respectively. Liquid water (L), low-pressure hexagonal ice (I h ) and high-pressure cubic (sII) and rhombohedral (C 1 ) clathrate hydrates were in equilibrium with gaseous hydrogen taken in excess. † This paper was presented at the XLVI th European High Pressure Research Group (EHPRG 46) Meeting, Valencia (Spain), 7-12 September, 2008.
ISSN:0895-7959
1477-2299
DOI:10.1080/08957950902734013