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Book Chapter

Effects of kinetics and mechanisms of crystal growth on ion-partitioning in solid solution–aqueous solution (SS–AS) systems

By
Andrew Putnis
Andrew Putnis
Institute of Mineralogy, University of Münster, Corrensstrasse 24,48149 Münster, Germany e-mail: putnis@uni-muenster.de
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Published:
January 01, 2011

Abstract

Ion-partitioning between aqueous solutions and growing crystals is controlled by both the equilibrium thermodynamics of the solid solution-aqueous solution system and departures from equilibrium. In this chapter the various factors which influence ion-distribution coefficients are reviewed with specific emphasis on the role of supersatura-tion on crystal-growth mechanisms and growth rate, the role of the surface chemistry and structure of the crystal in controlling ion incorporation and finally on the role of organic molecules and background electrolytes in modifying the dynamics of water exchange around the ions which are potentially incorporated into a growing crystal. Examples to illustrate the general principles involved are taken from room-temperature experimental studies of crystal growth in solid solution-aqueous solution systems.

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Contents

European Mineralogical Union Notes in Mineralogy

Ion Partitioning in Ambient-Temperature Aqueous Systems

M. Prieto
M. Prieto
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;
H. Stoll
H. Stoll
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Mineralogical Society of Great Britain and Ireland
Volume
10
ISBN electronic:
9780903056441
Publication date:
January 01, 2011

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