METHOD FOR PRODUCING APATITE POWDER

METHOD FOR PRODUCING APATITE POWDER

PROBLEM TO BE SOLVED: To provide a method for producing apatite powders having various particle sizes, particle shapes and specific surface areas. SOLUTION: The method for producing the apatite powder includes a step for preparing a mixed aqueous solution containing a calcium salt and a phosphate, a...

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Bibliographische Detailangaben
Hauptverfasser: JUN HYUN-SUKKU, LEE DONG-SOO, RYUU HYUN-SOUN, HON KAGU-SAN, LEE SAN-UKKU
Format: Patent
Sprache:eng
Schlagworte:
CHEMISTRY
COMPOUNDS THEREOF
INORGANIC CHEMISTRY
METALLURGY
NON-METALLIC ELEMENTS
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Beschreibung
Zusammenfassung:PROBLEM TO BE SOLVED: To provide a method for producing apatite powders having various particle sizes, particle shapes and specific surface areas. SOLUTION: The method for producing the apatite powder includes a step for preparing a mixed aqueous solution containing a calcium salt and a phosphate, a step for forming an intermediate reaction product having a phase different from the apatite by reacting the calcium salt and the phosphate in the aqueous solution, a step for ageing the aqueous solution so as to synthesize the apatite powder from the intermediate reaction product, and a step for drying a slurry settled in the aqueous solution. COPYRIGHT: (C)2005,JPO&NCIPI