Microwave-Assisted Hydrothermal Synthesis of Hexagonal Columnar-Shaped Calcium Carbonate

Qin Tang; Xiang Yong Chen; Wei Bing Hu; Gui Yun Zhou

doi:10.4028/www.scientific.net/AMR.239-242.1643

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 239-242Microwave-Assisted Hydrothermal Synthesis of...

Microwave-Assisted Hydrothermal Synthesis of Hexagonal Columnar-Shaped Calcium Carbonate

Abstract:

Calcium carbonate was obtained by the microwave-assisted hydrothermal synthesized technique using calcium chloride and urea as the raw materials. The uniform aragonite hexagonal columnar-shaped calcium carbonate with a diameter of 3.0~4.0μm and 70~120μm in length were produced without any additives at the molar ratio of urea and calcium chloride 1.5:1, microwave power 600W. The morphology, size and crystal structure were characterized by means of scanning electron microscope (SEM), transmission electron microscopy (TEM), X-ray diffraction (XRD), and Fourier transform infrared spectroscopy (FT-IR).The formation process of aragonite hexagonal columnar-shaped calcium carbonate was discussed.

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Periodical:

Advanced Materials Research (Volumes 239-242)

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1643-1648

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.239-242.1643

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Online since:

May 2011

Authors:

Qin Tang, Xiang Yong Chen, Wei Bing Hu, Gui Yun Zhou

Keywords:

Aragonite, Calcium Carbonate, Hydrothermal Synthesis, Micro-Wave

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