Preparation of Hydroxyapatite Honeycomb through Dissolution-Precipitation Reaction under Hydrothermal Condition

Y.J. Kim; Sung Baek Cho; Ill Yong Kim; Chikara Ohtsuki

doi:10.4028/www.scientific.net/KEM.720.203

Paper Titles

Apatite Coatings from Ostrich Eggshell and its Bioactivity Assessment
p.185

Adhesion Characterization of Zinc-Substituted Hydroxyapatite Coatings
p.189

Bioactivity Assessment of Calcium Phosphate Coatings
p.193

Temperature Influence on the Calcium Phosphate Coatings by Chemical Method
p.197

Preparation of Hydroxyapatite Honeycomb through Dissolution-Precipitation Reaction under Hydrothermal Condition
p.203

Natural Hydroxyapatite Synthesis from Fish Bones: "Atlantic Bonito" (Sarda sarda)
p.207

Study of Morphological Behavior of Hydroxyapatite, EDTA Hydroxyapatite and Metal Doped EDTA Hydroxyapatite Synthesized by Chemical Co-Precipitation Method via Hydrothermal Route
p.210

Chemical State of Nitrogen in Nitrogen-Doped Hydroxyapatite Ceramics with Enhanced Bioactivity
p.215

Slip Casting Used as a Forming Technique for Hydroxyapatite Processing
p.219

HomeKey Engineering MaterialsKey Engineering Materials Vol. 720Preparation of Hydroxyapatite Honeycomb through...

Preparation of Hydroxyapatite Honeycomb through Dissolution-Precipitation Reaction under Hydrothermal Condition

Abstract:

Hydroxyapatite (Ca₁₀(PO₄)₆(OH)₂) can be obtained from calcium carbonates through dissolution-precipitation reaction in a phosphate solution under a hydrothermal condition, with keeping its external shape. In this study, we assumed preparation of hydroxyapatite honeycombs from a calcite (CaCO₃) honeycomb. Calcite honeycomb was hydrothermally treated in a phosphate solution. After hydrothermal processing for 24 h, calcite transformed partially to hydroxyapatite phase and its external shape was kept. Moreover, specific surface areas of the specimens were increased after the hydrothermal processing. Consequently, this processing is useful to prepare honeycomb structure of hydroxyapatite from calcium carbonates.

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Periodical:

Key Engineering Materials (Volume 720)

Pages:

203-206

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.720.203

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Online since:

November 2016

Authors:

Y.J. Kim, Sung Baek Cho*, Ill Yong Kim, Chikara Ohtsuki

Keywords:

Calcium Carbonate, Dissolution-Precipitation, Honeycomb Structure, Hydrothermal Processing, Hydroxyapatite

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