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Influence of the pH‐Value on the Growth and Dissolution Rate of Potassium Chloride
Author(s) -
Mohameed H. A.,
Ulrich J.
Publication year - 1996
Publication title -
crystal research and technology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.377
H-Index - 64
eISSN - 1521-4079
pISSN - 0232-1300
DOI - 10.1002/crat.2170310107
Subject(s) - dissolution , chemistry , potassium , electrolyte , chloride , inorganic chemistry , kinetics , growth rate , organic chemistry , electrode , mathematics , physics , geometry , quantum mechanics
A fluidized bed crystallizer is employed to investigate the effect of pH of the solution on the growth and dissolution rates of potassium chloride crystals. The growth rate shows a minimum value at the pH range between 7 and 10, whereas the dissolution rate shows a minimum at the range between 7 and 9. It is found in this study that the growth‐ and the dissolution rate of potassium chloride in the acidic solutions are higher than in the alkaline solutions. A mechanism is suggested to explain the growth kinetics based on the interaction between the different species found in the electrolyte solution.