The Various Concentration Effected on Crystallite Size of Calcium Carbonate

Sunti Phewphong; Kanokwan Najai; Tosawat Seetawan

doi:10.4028/www.scientific.net/KEM.675-676.667

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The Various Concentration Effected on Crystallite Size of Calcium Carbonate

Abstract:

The calcium carbonate was extracted from Pomacea Canaliculata Lamarck (Cherry shell) by using the hydrothermal method. Cherry shell was washed and crushed by DI water and mortar. The powder size was analyzed by particle (aperture Size 63 μm), added x HCl (x = 2, 3, 4) and y Na₂CO₃ (y = 1, 1.5, 2) mixed with fine powder from Cherry shell. The mixed power was filtered annealed by autoclave at controlled temperature at 333 K for 20 h. The crystal structure was characterized by X−ray diffraction method. The phase transformation of CaCO₃ was analyzed by Fourier transform infrared spectroscopy (FTIR). The morphology of Cherry shell and CaCO₃ powders were observed by using scanning electron microscope (SEM). It was found that the extracted CaCO₃ shows single phase of CaCO₃ crystal structure. Smallest crystallite size was found about of 0.54 μm.

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Periodical:

Key Engineering Materials (Volumes 675-676)

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667-670

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.675-676.667

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Online since:

January 2016

Authors:

Sunti Phewphong, Kanokwan Najai, Tosawat Seetawan*

Keywords:

Cherry Sell, Crystallite Size, Extraction Calcium Carbonate, Hydrothermal Method

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