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Crystallization of calcium carbonate under high concentration of magnesium (Mg/Ca > 5) follows a multistep pathway that is controlled by kinetics. There is a high concentration of calcium ions (supersaturated) that stably coexisted with the amorphous calcium carbonate and monohydrocalcite in our experiments. The authors propose that most of the calcium ions in the solution existed as the prenucleation...
Crystallization of calcium carbonate under high concentration of magnesium was studied. Interesting phenomena were observed. Approximately 80% of calcium ions stably existed in the solution up to 60min after amorphous calcium carbonate was separated by centrifugation, and induction time was significantly affected by concentration and feeding rate of sodium carbonate when other operating conditions...
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