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Updated: May 16, 2026

Calcium Carbonate Formation in the Presence of Biopolymeric Additives
09:31

Calcium Carbonate Formation in the Presence of Biopolymeric Additives

Published on: May 14, 2019

Influence of Glycerol Concentration on the Dissolution Mechanism of Calcium in Water

Tatsuya Sasaki1, Hidetaka Yamada2, Ayaka Suzuki3

  • 1Materials Research Laboratory, Technical Development Group, Kobe Steel, Ltd., Kobe, Hyogo 651-2271, Japan.

The Journal of Physical Chemistry. B
|May 14, 2026
PubMed

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Factors Affecting Solubility

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Solubility

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Ionic Strength: Effects on Chemical Equilibria

The addition of an inert ionic compound increases the solubility of a sparingly soluble salt. For example, adding potassium nitrate to a saturated solution of calcium sulfate significantly enhances the solubility of calcium sulfate. Le Châtelier's principle cannot predict this shift in the equilibrium. Instead, this could be explained in terms of changes in the effective concentration of the ions in solution in the presence of added inert salt.
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Common Ion Effect

Compared with pure water, the solubility of an ionic compound is less in aqueous solutions containing a common ion (one also produced by dissolution of the ionic compound). This is an example of a phenomenon known as the common ion effect, which is a consequence of the law of mass action that may be explained using Le Châtelier’s principle. Consider the dissolution of silver iodide:
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