H. C. Helgeson

Theoretical prediction of the thermodynamic behavior of aqueous electrolytes by high pressures and temperatures; IV, Calculation of activity coefficients, osmotic coefficients, and apparent molal and standard and relative partial molal properties to 600 degrees C and 5kb

H. C. Helgeson, D. H. Kirkham, G Flowers · American Journal of Science · 1981 · 1.8K citations

Electrolytes, Chemical Kinetics, Engineering +23

Calculation of the thermodynamic and transport properties of aqueous species at high pressures and temperatures; revised equations of state for the standard partial molal properties of ions and electrolytes

John C. Tanger, H. C. Helgeson · American Journal of Science · 1988 · 889 citations · Full text

Chemical Kinetics, Engineering, Saline Aquifers +26

Theoretical prediction of the thermodynamic behavior of aqueous electrolytes at high pressures and temperatures; I, Summary of the thermodynamic/electrostatic properties of the solvent

H. C. Helgeson, D. H. Kirkham · American Journal of Science · 1974 · 748 citations · Full text

Materials Science, Electrolytes, Engineering +10

Theoretical prediction of the thermodynamic behavior of aqueous electrolytes at high pressures and temperatures; II, Debye-Huckel parameters for activity coefficients and relative partial molal properties

H. C. Helgeson, D. H. Kirkham · American Journal of Science · 1974 · 469 citations · Full text

Engineering, Retrograde Transport, Chemistry +24

Thermodynamic properties of aqueous species and the solubilities of minerals at high pressures and temperatures; the system Al 2 O 3 -H 2 O-NaCl

H. C. Helgeson · American Journal of Science · 1995 · 170 citations · Full text

Materials Science, System Al 2, Mineral Physic +10