Browsing by Author "Valle, Francisco José"
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- ItemChemical composition of Medieval stained glasses from the Cathedral of León (Spain)(Offenbach : Verlag der Deutschen Glastechnischen Gesellschaft, 2002) Valle, Francisco José; Ortega, Pilar; Pascual, Luis; Carmona, Noemi; Fernández Navarro, José MariaA selection of glass samples from the stained glass windows of León Cathedral (Spain) dating from Medieval and Renaissance times has been chemically characterized. The techniques used for this characterization were X-ray diffraction, inductively coupled plasma. X-ray fluorescence and flame photometry. The analyses indicate that the samples are potash-lime glass, with the Medieval glass having a low alumina concentration. This fact has given rise to its deterioration throughout history due to environmental conditions.