Calcium carbonate crystallization in the presence of taurine

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The kinetics of calcite (CaCO3) crystallization on calcite seed crystals in the presence of taurine was investigated by the constant composition method. The presence of taurine (4× 10− 5 − 4× 10−4M) in the supersaturated solutions lead to calcite crystals with a characteristic discontinuous planes of growth and poor habit, as compared to the hombohedral morphology of the seed crystals. The acceleration effect of taurine on the crystal growth rate was 17–96%. The apparent order of the crystal growth was found to be 2.0± 0.2 typical for a surface diffusion-controlled spiral growth processes.

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