Please use this identifier to cite or link to this item: http://www.repositorio.ufop.br/jspui/handle/123456789/4195
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dc.contributor.authorFrost, Ray Leslie-
dc.contributor.authorLópez, Andrés-
dc.contributor.authorCipriano, Ricardo Augusto Scholz-
dc.contributor.authorXi, Yunfei-
dc.contributor.authorCândido Filho, Mauro-
dc.date.accessioned2014-12-17T13:32:03Z-
dc.date.available2014-12-17T13:32:03Z-
dc.date.issued2014-
dc.identifier.citationFROST, R. L. et al. A vibrational spectroscopic study of the phosphate mineral churchite (REE)(PO4) 2H2O. Spectrochimica Acta. Part A, Molecular and Biomolecular Spectroscopy, v. 127, p. 429-433, 2014. Disponível em: <http://www.sciencedirect.com/science/article/pii/S138614251400287X>. Acesso em: 07 out. 2014.pt_BR
dc.identifier.issn1386-1425-
dc.identifier.urihttp://www.repositorio.ufop.br/handle/123456789/4195-
dc.description.abstractVibrational spectroscopy has been used to study the rare earth mineral churchite of formula (REE)(PO4)- _2H2O. The mineral contains a range of rare earth metals including yttrium depending on the locality. The Raman spectra of churchite-(REE) are characterized by an intense sharp band at 984 cm_1 assigned to the m1 ðPO3_ 4 Þ symmetric stretching mode. A lower intensity band observed at around 1067 cm_1 is attributed to the m3 ðPO3_ 4 Þ antisymmetric stretching mode. The ðPO3_ 4 Þ bending modes are observed at 497 cm_1 (m2) and 565 cm_1(m4). Raman bands at 649 and 681 cm_1 are assigned to water librational modes. Vibrational spectroscopy enables aspects of the structure of churchite to be ascertained.pt_BR
dc.language.isoen_USpt_BR
dc.subjectChurchitept_BR
dc.subjectPhosphatept_BR
dc.subjectRare earthspt_BR
dc.subjectMolecular waterpt_BR
dc.subjectHydrogen bond lengthspt_BR
dc.subjectRaman spectroscopypt_BR
dc.titleA vibrational spectroscopic study of the phosphate mineral churchite (REE)(PO4) 2H2O.pt_BR
dc.typeArtigo publicado em periodicopt_BR
dc.rights.licenseO periódico Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy concede permissão para depósito deste artigo no Repositório Institucional da UFOP. Número da licença 3487791205636.pt_BR
dc.identifier.doihttps://doi.org/10.1016/j.saa.2014.02.100-
Appears in Collections:DEGEO - Artigos publicados em periódicos

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