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Problems and solutions in electrolyte crystal growth kinetics

HANS E. LUNDAGER MADSEN1,*

Affiliation

  1. Department of Basic Science and Environment, Faculty of Life Sciences, University of Copenhagen, Thorvaldsensvej 40, DK-1871 Frederiksberg C, Denmark

Abstract

As far as crystal growth is concerned, electrolytes differ from nonelectrolytes in several aspects, of which the most important are that a growth unit consists of more than one particle, and that interactions between ions are of long range. This raises questions about the validity of current theories and calls for modifications of kinetic expressions. On the other hand, electrolyte systems offer possibilities of convenient experimental methods such as recording of electrical conductance or electrode potentials during a crystallization process. Practical examples from studies of sparingly soluble carbonates and phosphates are presented and discussed..

Keywords

Electrostatic interactions, Edge free energy, Spiral growth, Surface nucleation, Conductometry, pH recording.

Submitted at: Aug. 5, 2008
Accepted at: Nov. 11, 2008

Citation

HANS E. LUNDAGER MADSEN, Problems and solutions in electrolyte crystal growth kinetics, Journal of Optoelectronics and Advanced Materials Vol. 10, Iss. 11, pp. 3069-3076 (2008)