Please use this identifier to cite or link to this item: http://www.repositorio.ufop.br/handle/123456789/5085
Title: Structural characterization of the borate mineral inyoite – CaB3O3(OH)5_4(H2O).
Authors: Frost, Ray Leslie
López, Andrés
Cipriano, Ricardo Augusto Scholz
Theiss, Frederick L.
Costa, Geraldo Magela da
Keywords: Inyoite
Borate
Calcium
Raman spectroscopy
Infrared spectroscopy
Issue Date: 2015
Citation: FROST, R. L. et al. Structural characterization of the borate mineral inyoite – CaB3O3(OH)5_4(H2O). Journal of Molecular Structure, v. 1080, p. 99-104, 2014. Disponível em: <http://www.sciencedirect.com/science/article/pii/S0022286014009934>. Acesso em: 02 fev. 2015.
Abstract: We have studied the mineral Ca(H4B3O7)(OH)_4(H2O) or CaB3O3(OH)5_4(H2O) using electron microscopy and vibrational spectroscopy. The mineral has been characterized by a range of techniques including X-ray diffraction, thermal analysis, electron microscopy with EDX and vibrational spectroscopy. Electron microscopy shows a pure phase and the chemical analysis shows the presence of calcium only. The nominal resolution of the Raman spectrometer is of the order of 2 cm_1 and as such is sufficient enough to identify separate bands for the stretching bands of the two boron isotopes. Raman and infrared bands are assigned to the stretching and bending modes of trigonal and tetrahedral boron and the stretching modes of the hydroxyl and water units. By using a combination of techniques we have characterized the borate mineral inyoite.
URI: http://www.repositorio.ufop.br/handle/123456789/5085
metadata.dc.identifier.doi: https://doi.org/10.1016/j.molstruc.2014.09.079
ISSN: 0022-2860
metadata.dc.rights.license: O periódico Journal of Molecular Structure concede permissão para depósito deste artigo no Repositório Institucional da UFOP. Número da licença: 3577160284297.
Appears in Collections:DEQUI - Artigos publicados em periódicos

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