Influence of Phosphate Ions on the Stability of Amorphous Calcium Carbonate

Abstract:

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Amorphous calcium carbonate (ACC) occurs with varying stabilities in different organisms. It is thought that the stability is influenced by certain ions and proteins. We describe here a study investigating the particular influence of phosphate ions on the stability of ACC. Synthesised ACC was treated with different concentrations of Na2HPO4 and molar ratios of PO4:Ca ≥ 12:1 were shown to be effective in preventing crystallisation of ACC to calcite. The nature of the resulting sample is discussed.

Info:

Periodical:

Key Engineering Materials (Volumes 309-311)

Main Theme:

Edited by:

Takashi Nakamura, Kimihiro Yamashita and Masashi Neo

Pages:

179-182

DOI:

10.4028/www.scientific.net/KEM.309-311.179

Citation:

S. Akhtar et al., "Influence of Phosphate Ions on the Stability of Amorphous Calcium Carbonate ", Key Engineering Materials, Vols. 309-311, pp. 179-182, 2006

Online since:

May 2006

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Price:

$35.00

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