gsminmag Mineralogical Magazine Mineralogical Magazine 0026-461X Mineralogical Society 10.1180/minmag.1994.58A.1.261 Thermodynamics of Aqueous H₂S Solutions at Elevated Temperatures: Solubility and First Dissociation Constant Krupp R. E. Bundesanstalt für Geowissenschaften and Rohstoffe, Postfach 51 01 53, D-30631 Hannover, Germany Suleimenov O. M. Institut für Mineralogie und Petrographie, ETH-Zentrum, CH-8092 Zürich, Switzerland 8 1994 58A 1 501 502 Copyright © 1994, The Mineralogical Society 1994