The colour of architecture. Physical-chemical analysis of polychromy on stone in a 16th century gothic Portal at the Cathedral of Santo Domingo

Prieto Vicioso, Esteban, Flores Sasso, Virginia, García de Miguel, José María and Ruiz Valero, Letzai (2020) The colour of architecture. Physical-chemical analysis of polychromy on stone in a 16th century gothic Portal at the Cathedral of Santo Domingo. IOP Conf. Series: Materials Science and Engineering . [Article]

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Abstract (in English)

Colour always played a role in the human evolutionary process and has been used as a way of expression. But the time, the lack of maintenance and abandonment, the lack of studies related to the presence of polychromy in architecture and the nineteenth-century idea of eliminating building plasters to expose stone and brick have caused many to ignore and forgotten the presence of colour in historical buildings. In most cases disappear leaving only traces of colours. For this reason the aim of this research is study the polychromy on stone of a 16th century gothic Portal in the Cathedral of Santo Domingo. Analyses were performed using non-destructive techniques as Transmission Polarized Light Microscopy (PLM), Fourier-Transform Infrared Spectroscopy (FTIR), Scanning Electron Microscopy / Energy Dispersive Elemental Analysis X-Ray (SEM/EDX), Gas Chromatography (GC) and X-Ray Diffraction (XRD). To determinate the colour was used a CIELAB System and Munsell Colour System. In conclusion patinas yellow, ochre, red, green and blue colours; and pigmented successive layers of plaster and lime was found. Remains of these layers of polychromies are also spread throughout many areas of the Cathedral.

Item Type:	Article
Authors:	Authors Email Prieto Vicioso, Esteban eprietovicioso@gmail.com Flores Sasso, Virginia vfloressasso@gmail.com García de Miguel, José María UNSPECIFIED Ruiz Valero, Letzai l.ruiz@ce.pucmm.edu.do
Languages:	English
Keywords:	polychromy; patina; 16th century; analysis of materials; pigments; infra red analysis; stone; plasters; cathedrals; Gothic architecture
Subjects:	C. ARCHITECTURE > 04. Building materials C. ARCHITECTURE > 07. Decorations and ornaments C. ARCHITECTURE > 08. Wall paintings E. CONSERVATION AND RESTORATION > 03. Monuments F. SCIENTIFIC TECHNIQUES AND METHODOLOGIES OF CONSERVATION > 13. Chemical analysis F. SCIENTIFIC TECHNIQUES AND METHODOLOGIES OF CONSERVATION > 36. Non-Destructive testing F. SCIENTIFIC TECHNIQUES AND METHODOLOGIES OF CONSERVATION > 60. X-Ray analysis
Name of monument, town, site, museum:	Cathedral of Santo Domingo, Dominican Republic
Depositing User:	ICOMOS Dominicano
Date Deposited:	11 Feb 2021 09:36
Last Modified:	29 Aug 2023 14:46
URI:	https://openarchive.icomos.org/id/eprint/2433

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