JOURNAL OF SHANDONG UNIVERSITY (ENGINEERING SCIENCE) ›› 2011, Vol. 41 ›› Issue (1): 54-57.

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Preparation of nano-hydroxyapatite with the aid of ultrasonic waves

ZHANG Ai-juan, LI Cheng-feng   

  1. School of Material Science and Engineering, Shandong University of Technology, Zibo 255049, China
  • Received:2010-05-20 Online:2011-02-16 Published:2010-05-20

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Abstract:

To solve the reunion problem of nano hydroxyapatite(HA) powders, the HA was prepared with the aid of ultrasonic wave and heated in 900℃, using Ca(NO3)2·4H2O and(NH4)2HPO4 as raw materials.The phase composition, chemical composition, micromorphology, thermal stability of the obtained HA were respectively studied by XRD, SEM, FTIR and TG-DTA. The results indicated that the micromorphology of synthesized HA with a mean size of 50nm was an isometric crystal and its uniformity and dispersity was good. The ultrasonic wave treatment of nano-scale powders could solve the reunion problem to a certain extent, and  heat-treatment could improve the crystallinity of HA grains.
 

Key words: nano-hydroxyapatite, ultrasonic wave, heat treatment

[1] ZHANG Ai-juan . Preparation of biomimetic nanograde hydroxyapatite in simulated body fluid [J]. JOURNAL OF SHANDONG UNIVERSITY (ENGINEERING SCIENCE), 2008, 38(5): 102-106 .
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