Infrared and Raman spectroscopic characterization of the phosphate mineral leucophosphite - K(Fe3+)2(PO4)2(OH)·2(H2O)

Frost, Ray L., Xi, Yunfei, Scholz, Ricardo, Belotti, Fernanda Maria, & Filho, Mauro Cândido (2013) Infrared and Raman spectroscopic characterization of the phosphate mineral leucophosphite - K(Fe3+)2(PO4)2(OH)·2(H2O). Spectroscopy Letters, 46(6), pp. 415-420.

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Abstract

The phosphate mineral leucophosphite K(Fe2)3þ(PO4)2(OH) · 2H2O has been characterized by SEM-EDS, Raman, and infrared spectro- scopic measurements. The mineral is predominantly a K and Fe phosphate with some minor substitution of Al in the Fe3þ site. Raman bands at 994 and 1058 cm-1 are assigned to the symmetric stretching modes of PO3- and HPO2- units. The Raman bands at 1104, 1135, and 1177 cm-1 are assigned to the PO3- and HPO2- antisymmetric stretching modes. Raman and infrared spectra in the 2600–3800 cm-1 region show a complex set of overlapping bands, which may be resolved into the component bands. The Raman bands observed at 3325, 3355, and 3456 cm-1 are attributed to water stretching vibrations, and in the infrared spectrum, bands at 3237, 3317, and 3453 cm-1 are assigned to water stretching bands.

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ID Code: 58888
Item Type: Journal Article
Refereed: Yes
Keywords: infrared spectroscopy, leucophosphite, pegmatite, phosphate, Raman spectroscopy
DOI: 10.1080/00387010.2012.733478
ISSN: 1532-2289
Subjects: Australian and New Zealand Standard Research Classification > CHEMICAL SCIENCE (030000) > PHYSICAL CHEMISTRY (INCL. STRUCTURAL) (030600) > Structural Chemistry and Spectroscopy (030606)
Divisions: Current > Schools > School of Chemistry, Physics & Mechanical Engineering
Current > QUT Faculties and Divisions > Science & Engineering Faculty
Copyright Owner: Copyright 2013 Taylor & Francis Group, LLC
Copyright Statement: "This is an Author's Accepted Manuscript of an article published in Spectroscopy Letters, 46:415–420, 2013 [copyright Taylor & Francis], available online at: http://www.tandfonline.com/10.1080/00387010.2012.733478."
Deposited On: 04 Jun 2013 04:30
Last Modified: 05 Jun 2013 23:12

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