Raman and infrared spectroscopic study of turquoise minerals.

Čejka, Jiři; Sejkora, Jiři; Macek, Ivo; Malíková, Radana; Wang, Lina; Cipriano, Ricardo Augusto Scholz; Xi, Yunfei; Frost, Ray Leslie

Use este identificador para citar ou linkar para este item: http://www.repositorio.ufop.br/jspui/handle/123456789/6072

Título:	Raman and infrared spectroscopic study of turquoise minerals.
Autor(es):	Čejka, Jiři Sejkora, Jiři Macek, Ivo Malíková, Radana Wang, Lina Cipriano, Ricardo Augusto Scholz Xi, Yunfei Frost, Ray Leslie
Palavras-chave:	Turquoise Phosphate Hydroxyl ions Raman spectroscopy Infrared spectroscopy
Data do documento:	2015
Referência:	CEJKA, J. et al. Raman and infrared spectroscopic study of turquoise minerals. Spectrochimica Acta. Part A, Molecular and Biomolecular Spectroscopy, v. 149, p. 173-182, 2015. Disponível em: <http://www.sciencedirect.com/science/article/pii/S1386142515005016>. Acesso em: 08 set. 2015.
Resumo:	Raman and infrared spectra of three well-defined turquoise samples, CuAl6(PO4)4(OH)8_4H2O, from Lavender Pit, Bisbee, Cochise county, Arizona; Kouroudaiko mine, Faleme river, Senegal and Lynch Station, Virginia were studied, interpreted and compared. Observed Raman and infrared bands were assigned to the stretching and bending vibrations of phosphate tetrahedra, water molecules and hydroxyl ions. Approximate O–H…O hydrogen bond lengths were inferred from the Raman and infrared spectra. No Raman and infrared bands attributable to the stretching and bending vibrations of (PO3OH)2_ units were observed.
URI:	http://www.repositorio.ufop.br/handle/123456789/6072
DOI:	https://doi.org/10.1016/j.saa.2015.04.029
ISSN:	1386-1425
Licença:	O periódico Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy concede permissão para depósito deste artigo no Repositório Institucional da UFOP. Número da licença: 3727581139236.
Aparece nas coleções:	DEGEO - Artigos publicados em periódicos

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