"Sponsored by the Division of Water, Air, and Waste Chemistry at the 151st meeting of the American Chemical Society, Pittsburgh, Pa. March 23-24, 1966." Includes bibliographical references.

Applications and limitations of chemical thermodynamics in water systems / James J. Morgan -- Analysis of water for trace metals. Present capabilities and limitations / David N. Hume -- Master variables and activity scales / Lars Gunnar Sillén -- Gibbs phase rule and marine sediments / Lars Gunnar Sillén -- The structure of water and water-solute interactions / W. Drost-Hansen -- Aqueous surface chemistry of oxides and complex oxide minerals. Isoelectronic point and zero point of charge / George A. Parks -- Formation of silicic acid in aqueous suspensions of different silica modification / Werner Stèober -- The nature of inorganic solute species in water / S.Y. Tyree, Jr. -- Heterogeneous equilibria involving oxides, hydroxides, carbonates, and hydroxide carbonates / Paul W. Schindler -- Origin of the chemical compositions of some springs and lakes / Robert M. Garrels -- Equilibrium models and composition of the great lakes / James R. Kramer -- Coordination chemistry of the oceans / Dean F. Martin -- Redox equilibria and measurements of potentials in the aquatic environment -- J. Carrell Morris and Werner Stumm -- Some pH-controlling redox reactions in natural waters / K. Bostrèom -- Equilibria and nonequilibria in organic geochemistry / Max Blumer -- Biological activity in relation to the chemical equilibrium composition of natural waters / G. Fred Lee and Alfred W. Hoadley.