Synthesis of Calcium Phosphate/Gypsum Composite Powders

Abstract:

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Gypsum powders and calcium phosphate/gypsum powders were synthesized by wet method. The influences of the pH and temperature on the morphology of the gypsum crystal were studied by light microscopy. The effects of the initial calcium/phosphorus molar ratio and the pH of the solution on the microstructure and phase composition of the calcium phosphate/gypsum composite powders were studied by scanning electron microscopy and X-ray diffractometry. The results show that both temperature and pH value had influence on the crystal shape of gypsum and the pH value was the predominant parameter for the particle shape and phase composition of the composite powders.

Info:

Periodical:

Key Engineering Materials (Volumes 280-283)

Edited by:

Wei Pan, Jianghong Gong, Chang-Chun Ge and Jing-Feng Li

Pages:

1559-1562

DOI:

10.4028/www.scientific.net/KEM.280-283.1559

Citation:

D. A. Yang et al., "Synthesis of Calcium Phosphate/Gypsum Composite Powders", Key Engineering Materials, Vols. 280-283, pp. 1559-1562, 2005

Online since:

February 2007

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Price:

$35.00

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