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In situ noninvasive Raman microspectroscopic investigation of polychrome plasterworks in the Alhambra

dc.contributor.authorDomínguez-Vidal, Ana
dc.contributor.authorde-la-Torre-López, María José
dc.contributor.authorRubio-Domene, Ramón
dc.contributor.authorAyora-Cañada, María José
dc.date.accessioned2025-01-28T22:47:24Z
dc.date.available2025-01-28T22:47:24Z
dc.date.issued2012-10-05
dc.description.abstractA totally non-invasive in situ investigation in one of the main halls of the Palace of the Lions in the Alhambra (Granada, Spain) has been carried out. Analyses were made with a fiber-optic portable Raman microspectrometer placed on scaffolding platforms at a height of ca. 12 m above the ground level during the period of conservation works. The objects of this study are the decorated plasterworks in the seven vaults of the Hall of the Kings. Together with the results, the different practical problems related to the positioning of the instrumental setup and the influence of the local environment during the analysis are discussed. In general, high quality spectra were obtained despite difficulties for microprobe head positioning and sometimes the vibrations of the corresponding scaffold. Different typical antiquity pigments have been identified: cinnabar, minium, carbon black and lapis lazuli. Furthermore, the luminescence pattern from lapis lazuli found in most blue decorations has allowed the establishment of the natural origin and provenance of the pigment. Apart from this natural lapis lazuli, synthetic ultramarine blue was also found in one of the vaults showing up a recent restoration. In addition, some degradation products of cinnabar and minium were identified, with the major advantage of providing real-time information to the conservators during their work.
dc.identifier.citationAnalyst, 2012 Volumen: 137 Número: 24 Páginas: 5763-5769es_ES
dc.identifier.issn1364-5528, 0003-2654es_ES
dc.identifier.otherhttps://doi.org/10.1039/C2AN36027Fes_ES
dc.identifier.urihttps://hdl.handle.net/10953/4468
dc.language.isoenges_ES
dc.publisherRoyal Society of Chemistryes_ES
dc.relation.ispartofAnalistses_ES
dc.rights.accessRightsinfo:eu-repo/semantics/openAccesses_ES
dc.subjectPolychrome plasterworkses_ES
dc.subjectAlhambraes_ES
dc.subjectNoninvasive Raman microspectroscopices_ES
dc.titleIn situ noninvasive Raman microspectroscopic investigation of polychrome plasterworks in the Alhambraes_ES
dc.typeinfo:eu-repo/semantics/articlees_ES
dc.type.versioninfo:eu-repo/semantics/acceptedVersiones_ES

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