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J. Korean Ceram. Soc. > Volume 30(3); 1993 > Article
Journal of the Korean Ceramic Society 1993;30(3): 215.
습식 및 수열합성법에 의한 Hydroxyapatite의 합성에 관한 연구
전성용, 김홍기, 이경희, 이병하
명지대학교 무기재료공학과
A Study of Hydroxyapatite Synthesis by Wet-direct and Hydrothermal Synthesis
ABSTRACT
The Hydroxyapatite powders were prepared by Wet-direct and Hydrothermal synthesis using Ca(NO3)2.4H2O and (NH4)2.HPO4.Stoichiometric and good cristalline HAp powders were obtained 9$0^{circ}C$ by wet-direct process. The aspect ratio of HAp powders prepared by hydrothermal synthesis was increased with increasing synthetic temperature. The HAp particles obtained at 20$0^{circ}C$ for 10hr were needle shaped ultra fine crystals, about 100nm in size. Small amount of TCP was obtained above 80$0^{circ}C$ after heat-treatment of hydrothermally synthesized HAp but good crystalline HAp phase was maintained up to 120$0^{circ}C$ as the primary phase.
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