The effect of pH value on phase transformation of calcium phosphate cement

Hsin Chung Cheng, Kuo Tien Chu, Nai Cia Teng, Hsien Lung Tsai, Keng Liang Ou, Shih Fu Ou

Research output: Contribution to journalArticle

5 Citations (Scopus)

Abstract

The effects of various pH values of sodium phosphate buffer solution (PBS), 4.0, 6.0, 8.0, and 9.0 on calcium phosphate cement (CPC) prepared by mixing monocalcium phosphate monohydrate (MCPM), calcium carbonate, and PBS were studied. The phase evolution takes place in three steps: Firstly, the MCPM and calcium carbonate crystals dissolve in the PBS and precipitate in the form of DCPD crystals. Then, after 12 h, DCPD begins to convert to amorphous calcium phosphate (ACP). Finally, the metastable ACP phase converts into stable CDHA. With an increase in the pH of the PBS, the CDHA content in the CPC increased.

Original languageEnglish
Pages (from-to)364-370
Number of pages7
JournalInternational Journal of Applied Ceramic Technology
Volume11
Issue number2
DOIs
Publication statusPublished - Mar 2014

Fingerprint

calcium phosphates
Calcium phosphate
cements
phase transformations
phosphates
Buffers
Cements
Phosphates
Phase transitions
buffers
Calcium Carbonate
calcium carbonates
Calcium carbonate
Crystals
Precipitates
crystals
precipitates
Sodium
sodium
calcium phosphate

ASJC Scopus subject areas

  • Ceramics and Composites
  • Marketing
  • Materials Chemistry
  • Condensed Matter Physics

Cite this

The effect of pH value on phase transformation of calcium phosphate cement. / Cheng, Hsin Chung; Chu, Kuo Tien; Teng, Nai Cia; Tsai, Hsien Lung; Ou, Keng Liang; Ou, Shih Fu.

In: International Journal of Applied Ceramic Technology, Vol. 11, No. 2, 03.2014, p. 364-370.

Research output: Contribution to journalArticle

Cheng, Hsin Chung ; Chu, Kuo Tien ; Teng, Nai Cia ; Tsai, Hsien Lung ; Ou, Keng Liang ; Ou, Shih Fu. / The effect of pH value on phase transformation of calcium phosphate cement. In: International Journal of Applied Ceramic Technology. 2014 ; Vol. 11, No. 2. pp. 364-370.
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