Paper Title:
Synthesis of Calcium Metaphosphates Fine Powders by Chemical Precipitation Methods
  Abstract

Calcium metaphosphate (CMP) fine powders were produced by a chemical precipitation method. In order to produce the powders, CMP was prepared by the mixing of two precursors, such as calcium oxide (CaO) and phosphate acid (H3PO4). Sparingly soluble chemicals, the Ca/P ratio of the mixture was set to be 0.50 to produce stoichiometric CMP, were chemical agitated in phosphate acid solution. At least 3 hours of pre-hydrolysis of phosphorus precursor were required to obtain CMP phase. The CMP powders were dried in a drying oven at 60°C for 72 hours and then heat-treated at various temperatures at a ramp of 1°C /min in air for various hours. The obtained powder was analyzed using XRD, XRF, FT-IR, SEM, TG-DTA, Zeta Potential Meter, Specific Surface Area, and Particle Size Analyzer. The results showed that obtained CMP powders have a significantly powder characteristics.

  Info
Periodical
Advanced Materials Research (Volumes 105-106)
Edited by
Wei Pan and Jianghong Gong
Pages
532-535
DOI
10.4028/www.scientific.net/AMR.105-106.532
Citation
Y. Zhang, D. S. Kong, Y. Q. Tao, J. P. Zhu, N. J. Yao, "Synthesis of Calcium Metaphosphates Fine Powders by Chemical Precipitation Methods", Advanced Materials Research, Vols. 105-106, pp. 532-535, 2010
Online since
April 2010
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Price
$32.00
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