Measurements of the PVT properties of water to 25 kbars and 1600°C from synthetic fluid inclusions in corundum

John P. Brodholt*, Bernard J. Wood

*Corresponding author for this work

    Research output: Contribution to journalArticle

    51 Citations (Scopus)

    Abstract

    We have performed experiments to determine the density of water at pressures and temperatures of 9.5 to 25 kbar and 930 to 1600°C, respectively. The experimental method involved growing inclusions of fluid (ρ < 1.0 gm/cm3) in synthetic precracked corundum. Density was determined by measuring the homogenization temperature along the liquid-vapour equilibrium curve. Comparison with the many current equations of state for water indicates that, in the P-V-T range of the experiments, the equations of Kerrick and Jacobs (1981) and Brodholt and Wood (1993) provide the best fits. In contrast the steam tables of Haar et al. (1984) systematically underestimate the molar volumes at high temperatures.

    Original languageEnglish
    Pages (from-to)2143-2148
    Number of pages6
    JournalGeochimica et Cosmochimica Acta
    Volume58
    Issue number9
    DOIs
    Publication statusPublished - 1994

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