Hydrothermal Solutions

Abstract

Abstract A survey is given of recent results on the properties of pure water and binary and ternary mixtures at high temperatures and high pressures with emphasis on the geochemically important systems H 2 O‐CO 2 , H 2 O‐NaCl, and H 2 O‐CO 2 ‐NaCl. Among the properties discussed are phase diagrams, PVTx data, thermodynamic and transport properties, dielectric constant, electrical conductivity, and ionic equilibria. Concepts for predictive calculations of thermodynamic properties are briefly described.