Vibrational spectroscopic characterization of the phosphate mineral bermanite Mn2+Mn23+(PO4)2(OH)2 4(H2O).
Autor(a) principal: | |
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Data de Publicação: | 2012 |
Outros Autores: | , , |
Tipo de documento: | Artigo |
Idioma: | eng |
Título da fonte: | Repositório Institucional da UFOP |
Texto Completo: | http://www.repositorio.ufop.br/handle/123456789/4148 https://doi.org/10.1016/j.saa.2012.12.021 |
Resumo: | Bermanite Mn^2+Mn2^3+(PO4)2(OH)2.4(H2O) is a mixed valent hydrated hydroxy phosphate mineral. The mineral is reddish-brown and occurs in crystal aggregates and as lamellar masses. Bermanite is a common mineral in granitic pegmatites. The chemical composition of bermanite was obtained using EDS techniques. We have studied the molecular structure of bermanite using vibrational spectroscopy. The mineral is characterized by a Raman doublet at 991 and 999 cm^-1 attributed to the phosphate stretching mode of two non-equivalent phosphate units. Raman bands at 1071, 1117 and 1142 cm^-1 are assigned to the phosphate antisymmetric stretching modes. The hydroxyl stretching spectral region is complex with overlapping bands attributed to water and hydroxyl stretching vibrations. Vibrational spectroscopy proves most useful for the study of the mineral bermanite. |
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Frost, Ray LeslieXi, YunfeiCipriano, Ricardo Augusto ScholzBelotti, Fernanda Maria2014-12-14T12:26:10Z2014-12-14T12:26:10Z2012FROST, R. L. et al. Vibrational spectroscopic characterization of the phosphate mineral bermanite Mn2+Mn23+(PO4)2(OH)2 4(H2O). Spectrochimica Acta. Part A, Molecular and Biomolecular Spectroscopy, v. 105, p. 359-364, 2012. Disponível em: <http://www.sciencedirect.com/science/article/pii/S1386142512012395>. Acesso em: 07 out. 2014.1386-1425http://www.repositorio.ufop.br/handle/123456789/4148https://doi.org/10.1016/j.saa.2012.12.021Bermanite Mn^2+Mn2^3+(PO4)2(OH)2.4(H2O) is a mixed valent hydrated hydroxy phosphate mineral. The mineral is reddish-brown and occurs in crystal aggregates and as lamellar masses. Bermanite is a common mineral in granitic pegmatites. The chemical composition of bermanite was obtained using EDS techniques. We have studied the molecular structure of bermanite using vibrational spectroscopy. The mineral is characterized by a Raman doublet at 991 and 999 cm^-1 attributed to the phosphate stretching mode of two non-equivalent phosphate units. Raman bands at 1071, 1117 and 1142 cm^-1 are assigned to the phosphate antisymmetric stretching modes. The hydroxyl stretching spectral region is complex with overlapping bands attributed to water and hydroxyl stretching vibrations. Vibrational spectroscopy proves most useful for the study of the mineral bermanite.Raman spectroscopyzBermaniteInfrared spectroscopyPhosphatePegmatiteVibrational spectroscopic characterization of the phosphate mineral bermanite Mn2+Mn23+(PO4)2(OH)2 4(H2O).info:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/articleO periódico Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy concede permissão para depósito deste artigo no Repositório Institucional da UFOP. Número da licença: 3490330614977.info:eu-repo/semantics/openAccessengreponame:Repositório Institucional da UFOPinstname:Universidade Federal de Ouro Preto (UFOP)instacron:UFOPLICENSElicense.txtlicense.txttext/plain; charset=utf-82636http://www.repositorio.ufop.br/bitstream/123456789/4148/2/license.txtc2ffdd99e58acf69202dff00d361f23aMD52ORIGINALARTIGO_VibrationalSpectroscopicBermanite.pdfARTIGO_VibrationalSpectroscopicBermanite.pdfapplication/pdf659275http://www.repositorio.ufop.br/bitstream/123456789/4148/1/ARTIGO_VibrationalSpectroscopicBermanite.pdf94ecf71cbce896687a8f9d9dd2023dfaMD51123456789/41482019-07-09 09:41:46.002oai:localhost:123456789/4148Repositório InstitucionalPUBhttp://www.repositorio.ufop.br/oai/requestrepositorio@ufop.edu.bropendoar:32332019-07-09T13:41:46Repositório Institucional da UFOP - Universidade Federal de Ouro Preto (UFOP)false |
dc.title.pt_BR.fl_str_mv |
Vibrational spectroscopic characterization of the phosphate mineral bermanite Mn2+Mn23+(PO4)2(OH)2 4(H2O). |
title |
Vibrational spectroscopic characterization of the phosphate mineral bermanite Mn2+Mn23+(PO4)2(OH)2 4(H2O). |
spellingShingle |
Vibrational spectroscopic characterization of the phosphate mineral bermanite Mn2+Mn23+(PO4)2(OH)2 4(H2O). Frost, Ray Leslie Raman spectroscopyz Bermanite Infrared spectroscopy Phosphate Pegmatite |
title_short |
Vibrational spectroscopic characterization of the phosphate mineral bermanite Mn2+Mn23+(PO4)2(OH)2 4(H2O). |
title_full |
Vibrational spectroscopic characterization of the phosphate mineral bermanite Mn2+Mn23+(PO4)2(OH)2 4(H2O). |
title_fullStr |
Vibrational spectroscopic characterization of the phosphate mineral bermanite Mn2+Mn23+(PO4)2(OH)2 4(H2O). |
title_full_unstemmed |
Vibrational spectroscopic characterization of the phosphate mineral bermanite Mn2+Mn23+(PO4)2(OH)2 4(H2O). |
title_sort |
Vibrational spectroscopic characterization of the phosphate mineral bermanite Mn2+Mn23+(PO4)2(OH)2 4(H2O). |
author |
Frost, Ray Leslie |
author_facet |
Frost, Ray Leslie Xi, Yunfei Cipriano, Ricardo Augusto Scholz Belotti, Fernanda Maria |
author_role |
author |
author2 |
Xi, Yunfei Cipriano, Ricardo Augusto Scholz Belotti, Fernanda Maria |
author2_role |
author author author |
dc.contributor.author.fl_str_mv |
Frost, Ray Leslie Xi, Yunfei Cipriano, Ricardo Augusto Scholz Belotti, Fernanda Maria |
dc.subject.por.fl_str_mv |
Raman spectroscopyz Bermanite Infrared spectroscopy Phosphate Pegmatite |
topic |
Raman spectroscopyz Bermanite Infrared spectroscopy Phosphate Pegmatite |
description |
Bermanite Mn^2+Mn2^3+(PO4)2(OH)2.4(H2O) is a mixed valent hydrated hydroxy phosphate mineral. The mineral is reddish-brown and occurs in crystal aggregates and as lamellar masses. Bermanite is a common mineral in granitic pegmatites. The chemical composition of bermanite was obtained using EDS techniques. We have studied the molecular structure of bermanite using vibrational spectroscopy. The mineral is characterized by a Raman doublet at 991 and 999 cm^-1 attributed to the phosphate stretching mode of two non-equivalent phosphate units. Raman bands at 1071, 1117 and 1142 cm^-1 are assigned to the phosphate antisymmetric stretching modes. The hydroxyl stretching spectral region is complex with overlapping bands attributed to water and hydroxyl stretching vibrations. Vibrational spectroscopy proves most useful for the study of the mineral bermanite. |
publishDate |
2012 |
dc.date.issued.fl_str_mv |
2012 |
dc.date.accessioned.fl_str_mv |
2014-12-14T12:26:10Z |
dc.date.available.fl_str_mv |
2014-12-14T12:26:10Z |
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info:eu-repo/semantics/publishedVersion |
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info:eu-repo/semantics/article |
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article |
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publishedVersion |
dc.identifier.citation.fl_str_mv |
FROST, R. L. et al. Vibrational spectroscopic characterization of the phosphate mineral bermanite Mn2+Mn23+(PO4)2(OH)2 4(H2O). Spectrochimica Acta. Part A, Molecular and Biomolecular Spectroscopy, v. 105, p. 359-364, 2012. Disponível em: <http://www.sciencedirect.com/science/article/pii/S1386142512012395>. Acesso em: 07 out. 2014. |
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http://www.repositorio.ufop.br/handle/123456789/4148 |
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1386-1425 |
dc.identifier.doi.none.fl_str_mv |
https://doi.org/10.1016/j.saa.2012.12.021 |
identifier_str_mv |
FROST, R. L. et al. Vibrational spectroscopic characterization of the phosphate mineral bermanite Mn2+Mn23+(PO4)2(OH)2 4(H2O). Spectrochimica Acta. Part A, Molecular and Biomolecular Spectroscopy, v. 105, p. 359-364, 2012. Disponível em: <http://www.sciencedirect.com/science/article/pii/S1386142512012395>. Acesso em: 07 out. 2014. 1386-1425 |
url |
http://www.repositorio.ufop.br/handle/123456789/4148 https://doi.org/10.1016/j.saa.2012.12.021 |
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eng |
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