Raman spectroscopy of synthetic CaHPO4•2H2O– and in comparison with the cave mineral brushite
Frost, Ray L., Xi, Yunfei, Pogson, Ross E., Millar, Graeme J., Tan, Keqin, & Palmer, Sara J. (2012) Raman spectroscopy of synthetic CaHPO4•2H2O– and in comparison with the cave mineral brushite. Journal of Raman Spectroscopy, 43(4), pp. 571-576.
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Abstract
The mineral brushite has been synthesised by mixing calcium ions and hydrogen phosphate anions to mimic the reactions in a Cave. The vibrational spectra of the synthesised brushite were compared with that of the natural Cave mineral. Bands attributable to the PO43- and HPO42- anions are observed. Brushite, both synthetic and natural, is characterised by an intense sharp band at 985 cm-1 with a shoulder at 1000 cm-1. Characteristic bending modes are observed in the 300 to 600 cm-1 region. The spectra of the synthesised brushite matches very well the spectrum of brushite from the Moorba Cave, Western Australia.
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| ID Code: | 49789 |
|---|---|
| Item Type: | Journal Article |
| Keywords: | brushite, monetite, phosphate, Raman spectroscopy, infrared spectroscopy |
| DOI: | 10.1002/jrs.3063 |
| ISSN: | 0377-0486 |
| Subjects: | Australian and New Zealand Standard Research Classification > CHEMICAL SCIENCE (030000) |
| Divisions: | Current > Schools > School of Chemistry, Physics & Mechanical Engineering Current > QUT Faculties and Divisions > Science & Engineering Faculty |
| Copyright Owner: | Copyright © 2011 John Wiley & Sons, Ltd. |
| Deposited On: | 20 Apr 2012 08:53 |
| Last Modified: | 05 Nov 2012 16:36 |
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