Fabrication of spherical carbonate apatite using calcium sulfate as a precursor by W/O emulsion method

Shunsuke Nomura; Kanji Tsuru; Shigeki Matsuya; Ichiro Takahashi; Kunio Ishikawa

doi:10.4028/www.scientific.net/KEM.529-530.78

Fabrication of spherical carbonate apatite using calcium sulfate as a precursor by W/O emulsion method

Shunsuke Nomura, Kanji Tsuru, Shigeki Matsuya, Ichiro Takahashi, Kunio Ishikawa

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

1 Citation (Scopus)

Abstract

We fabricated spherical carbonate apatite from spherical calcium sulfate which was prepared by water-in-oil emulsion method. Calcium sulfate hemihydrate slurry was dropped in oil under continuous stirring and was kept at room temperature for 60 min to obtain set spherical calcium sulfate dihydrate (CaSO₄·2H₂O) with approximately 1 mm in diameter. The spherical CaSO₄·2H₂O was hydrothermally-treated at 120°C for 24 hours in the presence of 0.4 mol.L^-1 disodium hydrogen phosphate and sodium hydrogen carbonate aqueous solution. X-ray diffraction patterns assigned to apatite single phase could be detected from the obtained spheres. Carbonate content in apatitic structure was found to be approximately 6.5wt%.

Original language	English
Title of host publication	Bioceramics 24
Publisher	Trans Tech Publications Ltd
Pages	78-81
Number of pages	4
Edition	1
ISBN (Print)	9783037855171
DOIs	https://doi.org/10.4028/www.scientific.net/KEM.529-530.78
Publication status	Published - 2013
Event	24th Symposium and Annual Meeting of International Society for Ceramics in Medicine, ISCM 2012 - Fukuoka, Japan Duration: Oct 21 2012 → Oct 24 2012

Publication series

Name	Key Engineering Materials
Number	1
Volume	529-530
ISSN (Print)	1013-9826
ISSN (Electronic)	1662-9795

Other

Other	24th Symposium and Annual Meeting of International Society for Ceramics in Medicine, ISCM 2012
Country/Territory	Japan
City	Fukuoka
Period	10/21/12 → 10/24/12

All Science Journal Classification (ASJC) codes

Materials Science(all)
Mechanics of Materials
Mechanical Engineering

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10.4028/www.scientific.net/KEM.529-530.78

Cite this

Nomura, S, Tsuru, K, Matsuya, S, Takahashi, I & Ishikawa, K 2013, Fabrication of spherical carbonate apatite using calcium sulfate as a precursor by W/O emulsion method. in Bioceramics 24. 1 edn, Key Engineering Materials, no. 1, vol. 529-530, Trans Tech Publications Ltd, pp. 78-81, 24th Symposium and Annual Meeting of International Society for Ceramics in Medicine, ISCM 2012, Fukuoka, Japan, 10/21/12. https://doi.org/10.4028/www.scientific.net/KEM.529-530.78

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title = "Fabrication of spherical carbonate apatite using calcium sulfate as a precursor by W/O emulsion method",

abstract = "We fabricated spherical carbonate apatite from spherical calcium sulfate which was prepared by water-in-oil emulsion method. Calcium sulfate hemihydrate slurry was dropped in oil under continuous stirring and was kept at room temperature for 60 min to obtain set spherical calcium sulfate dihydrate (CaSO4·2H2O) with approximately 1 mm in diameter. The spherical CaSO4·2H2O was hydrothermally-treated at 120°C for 24 hours in the presence of 0.4 mol.L-1 disodium hydrogen phosphate and sodium hydrogen carbonate aqueous solution. X-ray diffraction patterns assigned to apatite single phase could be detected from the obtained spheres. Carbonate content in apatitic structure was found to be approximately 6.5wt%.",

author = "Shunsuke Nomura and Kanji Tsuru and Shigeki Matsuya and Ichiro Takahashi and Kunio Ishikawa",

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AU - Nomura, Shunsuke

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AU - Ishikawa, Kunio

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N2 - We fabricated spherical carbonate apatite from spherical calcium sulfate which was prepared by water-in-oil emulsion method. Calcium sulfate hemihydrate slurry was dropped in oil under continuous stirring and was kept at room temperature for 60 min to obtain set spherical calcium sulfate dihydrate (CaSO4·2H2O) with approximately 1 mm in diameter. The spherical CaSO4·2H2O was hydrothermally-treated at 120°C for 24 hours in the presence of 0.4 mol.L-1 disodium hydrogen phosphate and sodium hydrogen carbonate aqueous solution. X-ray diffraction patterns assigned to apatite single phase could be detected from the obtained spheres. Carbonate content in apatitic structure was found to be approximately 6.5wt%.

AB - We fabricated spherical carbonate apatite from spherical calcium sulfate which was prepared by water-in-oil emulsion method. Calcium sulfate hemihydrate slurry was dropped in oil under continuous stirring and was kept at room temperature for 60 min to obtain set spherical calcium sulfate dihydrate (CaSO4·2H2O) with approximately 1 mm in diameter. The spherical CaSO4·2H2O was hydrothermally-treated at 120°C for 24 hours in the presence of 0.4 mol.L-1 disodium hydrogen phosphate and sodium hydrogen carbonate aqueous solution. X-ray diffraction patterns assigned to apatite single phase could be detected from the obtained spheres. Carbonate content in apatitic structure was found to be approximately 6.5wt%.

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Fabrication of spherical carbonate apatite using calcium sulfate as a precursor by W/O emulsion method

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