Effect of Crystal Orientation Agents on Morphology of Nano-CaCO3

Xiang Wei Cheng; Da Jin Xiong; Chao Huo

doi:10.4028/www.scientific.net/AMM.723.544

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vol. 723Effect of Crystal Orientation Agents on Morphology...

Effect of Crystal Orientation Agents on Morphology of Nano-CaCO₃

Abstract:

Using intermittent bubbling carbonation method to prepare nanoCaCO₃, the effect of crystal orientation agents on the morphology of nanoCaCO₃ was studied. The nanoCaCO₃ was characterized by means of field emission scanning electron microscope (FE-SEM), X-ray diffraction (XRD), Laser particle analyzer. The results showed that the different shapes nanoCaCO₃ was synthesized by adding different crystal orientation agents to control the shape of the product. The as-prepared CaCO₃ were pure calcite crystal and the average particle sizes were within the range of 25.7 to 60.9 nm.