Synthesis of octacalcium phosphate intercalated with dicarboxylate ions from calcium carbonate and phosphoric acid

Masanobu Kamitakahara, Hiroaki Okamo, Masao Tanihara, Chikara Ohtsuki

Research output: Contribution to journalArticlepeer-review

25 Citations (Scopus)

Abstract

We have investigated the effect of the Ca/P molar ratio in the starting composition on the synthesis of octacalcium phosphate intercalated with dicarboxylate ions (OCPC), starting from calcium carbonate and phosphoric acid in the presence of a dicarboxylic acid, such as succinic acid, adipic acid, or suberic acid. For a Ca/P molar ratio in the starting composition of 1.6, which is the stoichiometric value for OCPC, the highest yield of OCPC with a high degree of crystallinity was obtained for the OCPC samples synthesized with starting Ca/P molar ratios of 1.5, 1.6, and 1.7. The Ca/P molar ratio of the starting composition is an important factor in the synthesis of OCPC. This synthesis route provides for the effective production of OCPC samples.

Original languageEnglish
Pages (from-to)481-485
Number of pages5
JournalJournal of the Ceramic Society of Japan
Volume116
Issue number1351
DOIs
Publication statusPublished - 2008 Mar

Keywords

  • Calcium carbonate
  • Calcium phosphate
  • Dicarboxylc acid
  • Intercalation
  • Octacalcium phosphate
  • Phosphoric acid

ASJC Scopus subject areas

  • Ceramics and Composites
  • Chemistry(all)
  • Condensed Matter Physics
  • Materials Chemistry

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