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Effects of EDTA on morphology of hydroxyapatite prepared by hydrothermal method

  • Journal of the Korean Crystal Growth and Crystal Technology
  • Abbr : J. Korean Cryst. Growth Cryst. Technol.
  • 2011, 21(2), pp.75~81
  • Publisher : The Korea Association Of Crystal Growth, Inc.
  • Research Area : Engineering > Materials Science and Engineering

최봉석 1,  김동현 1,  Taewan Kim 1,  PARK,HONG-CHAE 1,  Seog-Young Yoon 1

1부산대학교

Accredited

ABSTRACT

Hydroxyapatite (HAP) crystals with hexagonal structure have been successfully synthesized by using EDTA (ethylene diamine tetraacetic acid) as chelate under hydrothermal condition. The as-prepared HAp powders were characterized by XRD and SEM. The XRD result indicated that the products were preferentially oriented along c-axis. The SEM photographs showed that the morphology of the HAp crystals was well controlled by the reaction parameters such as temperature, pH value, and the molar ratio of EDTA/Ca.

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This paper was written with support from the National Research Foundation of Korea.