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Título

Caracterización estructural de vidrios del sistema SiO2- B2O3-Na2O mediante espectroscopías IR y Raman

AutorTamayo Hernando, Aitana; Pérez Villar, Sofía; Rodríguez, Miguel A.
Palabras claveGlass
Sodium silicoborate
Fecha de publicación2009
EditorSociedad Española de Cerámica y Vidrio
CitaciónBol. Soc. Esp. Ceram. V. 48, 5, 237-243 (2009)
ResumenInfrared and Raman spectroscopies have been used to analyze two series of sodium silicoborate glasses with 10 % and 20 % of Na2O. The obtained results are in accordance with those found in literature when using Raman and Infrared spectroscopies, however here it has been analyze in more detail the Polimerization Index (IP) of both systems. It has been observed that IP decreases with B concentration except for low B content glasses. This result has been assigned to an incomplete melting of such glasses due to the high temperatures needed to obtain well-melting glasses. Finally, it has been analyzed the BO4/BO3 ratio as a function of the Na2O concentration, showing that as it would be expected the high BO4 concentration appears when the Na2O concentration is between 0.3 – 0.4 in moles.
URIhttp://hdl.handle.net/10261/21883
ISSN0366-3175
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