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Analysis of nasrid polychrome carpentry at the Hall of the Mexuar palace, Alhambra complex (Granada, Spain), combining microscopic, chromatographic and spectroscopic methods
| Título: | Analysis of nasrid polychrome carpentry at the Hall of the Mexuar palace, Alhambra complex (Granada, Spain), combining microscopic, chromatographic and spectroscopic methods |
| Autor: | Cardell, C.; Rodriguez-Simón, L.; Guerra, I.; Sanchez-Navas, A. |
| Resumen: | The pigments, binders and execution techniques used by the Nasrids (1238–1492) to polychrome carpentry in the Hall of the Mexuar Palace at the Alhambra (Granada, Spain) were studied using optical microscopy, scanning electron microscopy with EDX analysis, selective staining techniques and gas chromatography – mass spectrometry. This pioneering investigation presents the first results of a research project devoted to filling gaps in the knowledge of Nasrid art, traditionally approached by stylistic studies. Moreover, it is essential for the polychromy conservation of the studied artworks, and will help to clarify historical and painting uncertainties in the Alhambra monument. The palette consists of a limited range of colours: white (lead-base pigment), red (cinnabar and red lead), blue (lapis lazuli), black (carbon-based) and false gold (golden tin). Tempera grassa was the painting technique identified. Two types of grounds were used: (i) gypsum in calligraphy decoration for the false gold technique, and (ii) synthetic minium in geometric drawings in carpentry. Organic insulating layers of linseed oil were used between paint strata. Artists applied synthetic minium to protect the wood ( Juglans regia and conifer) against attack by xylophages. To lighten the surface darkened by this ground layer, powdered tin was added to achieve a metallic lustre. |
| Identificador: | 10.1111/j.1475-4754.2008.00438.x |
| Descripción: | Artículo publicado en la revista Archaeometry vol. 51, nº4 (2009), p. 637-657 |
| URI: |
http://www3.interscience.wiley.com/cgi-bin/fulltext/121528873/PDFSTART
http://hdl.handle.net/10514/14029 |
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