NON-STOICHIOMETRIC HYDROXYAPATITE MICROCRYSTALS FORMATION IN HIGH pH REGION

DOI 被引用文献1件 参考文献4件 オープンアクセス
  • NAKAMURA SATOSHI
    Institute of Biomaterials and Bioengineering, Tokyo Medical and Dental University
  • YAMASHITA KIMIHIRO
    Institute of Biomaterials and Bioengineering, Tokyo Medical and Dental University

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説明

Non-stoichiometric hydroxyapatite (HAp) microcrystals other than amorphous calcium phosphate (ACP) were directly formed at high pH region. The HAp was precipitated by adding phosphoric acid solution to calcium hydroxide aqueous suspension in room temperature with vigorous stirring. The products at pH 13 consisted of HAp microcrystals as well as calcium hydroxide. The most intense XRD peak of HAp was unified reflection of 211 and 112 although it was separated from 300 reflection. The position of strongest peak was shifted compared with that of ACP. Topotaxial relationships between the HAp and calcium hydroxide were revealed by electron diffractometry. It was suggested that the HAp microcrystals were not obtained by simple depositional reaction from aqueous solution.

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詳細情報 詳細情報について

  • CRID
    1390282680441187072
  • NII論文ID
    130004992434
  • DOI
    10.3363/prb1992.11.0_1
  • COI
    1:CAS:528:DC%2BD3MXos1OqsL0%3D
  • ISSN
    09184783
  • 本文言語コード
    en
  • データソース種別
    • JaLC
    • Crossref
    • CiNii Articles
    • OpenAIRE
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    使用不可

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