Effect of Magnesium Ion on the Precipitation of Hollow Calcium Carbonate by Bubble Templating Method


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Hollow calcium carbonate (CaCO3) particles were synthesized by bubbling CO2 in the solution of calcium chloride (CaCl2) with the presence of ammonia at room temperature. In this method, CO2 bubble, besides as reactant, has an important role as a template for forming hollow particles. The precipitation was carried out by controlling the precipitation condition, such as pH, flow rate and additives. Hollow calcium carbonate particles were precipitated with the major crystal phase of vaterite. An interesting finding is that magnesium ion (Mg2+) can suppress the transformation of vaterite to calcite by inhibiting the growth of the calcite.



Key Engineering Materials (Volumes 317-318)

Edited by:

T. Ohji, T. Sekino and K. Niihara






G. Hadiko et al., "Effect of Magnesium Ion on the Precipitation of Hollow Calcium Carbonate by Bubble Templating Method", Key Engineering Materials, Vols. 317-318, pp. 65-68, 2006

Online since:

August 2006




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