Vibrational spectroscopy of synthetic archerite (K,NH 4) H 2 PO4- And in comparison with the natural cave mineral
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Description
In order to mimic the formation of archerite in cave minerals, the mineral analogue has been synthesised. The cave mineral is formed by the reaction of the chemicals in bat guano with calcite substrates. X-ray diffraction proves that the synthesised archerite analogue was pure. The vibrational spectra of the synthesised mineral are compared with that of the natural cave mineral. Raman and infrared bands are assigned to H2PO4-, OH and NH stretching and bending vibrations. The Raman band at 917 cm-1 is assigned to the HOP stretching vibration of the H2PO4- units. Bands in the 1200 to 1800 cm-1 region are associated with NH4+ bending modes. Vibrational spectroscopy enables the molecular structure of archerite to be analysed.
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| ID Code: | 48766 | ||||||
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| Item Type: | Contribution to Journal (Journal Article) | ||||||
| Refereed: | Yes | ||||||
| ORCID iD: |
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| Measurements or Duration: | 6 pages | ||||||
| Keywords: | 'cave' minerals, Raman spectroscopy, archerite, biphosphammite, brushite, dihydrogen phosphate, mundrabillaite | ||||||
| DOI: | 10.1016/j.molstruc.2011.12.013 | ||||||
| ISSN: | 0022-2860 | ||||||
| Pure ID: | 32341407 | ||||||
| Divisions: | Past > QUT Faculties & Divisions > Faculty of Science and Technology Past > Institutes > Institute for Future Environments Past > QUT Faculties & Divisions > Science & Engineering Faculty |
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| Copyright Owner: | Consult author(s) regarding copyright matters | ||||||
| Copyright Statement: | This work is covered by copyright. Unless the document is being made available under a Creative Commons Licence, you must assume that re-use is limited to personal use and that permission from the copyright owner must be obtained for all other uses. If the document is available under a Creative Commons License (or other specified license) then refer to the Licence for details of permitted re-use. It is a condition of access that users recognise and abide by the legal requirements associated with these rights. If you believe that this work infringes copyright please provide details by email to qut.copyright@qut.edu.au | ||||||
| Deposited On: | 20 Feb 2012 22:18 | ||||||
| Last Modified: | 13 Mar 2024 01:39 |
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