NIPPON KAGAKU KAISHI
Online ISSN : 2185-0925
Print ISSN : 0369-4577
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Particle Growth of Porous Spherical Hydroxyapatite by Two-step Phosphoration
Yasukiyo UEDAHirokazu MIYAKEHidemitsu KASAHARAMitsunobu AOYAMA
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2001 Volume 2001 Issue 9 Pages 537-540

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Abstract

Low crystalline porous aggregates of hydroxyapatite (HAp) were prepared with colloidal calcium carbonate and phosphoric acid. Particle size and specific surface area of spherical HAp aggregates were controllable by two-step phosphoration with colloidal calcium carbonate and ammonium dihydrogenphosphate using low crystalline porous aggregates of HAp as seeds. The HAp aggregates after two-step phosphoration showed high crystallinity and thermal stability.

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© 2001 The Chemical Society of Japan
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