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Unique Pre-Romanesque murals in Kostol'any pod Tríbečom, Slovakia: The painting technique and causes of damage
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SYSNO ASEP 0395016 Document Type J - Journal Article R&D Document Type Journal Article Subsidiary J Článek ve WOS Title Unique Pre-Romanesque murals in Kostol'any pod Tríbečom, Slovakia: The painting technique and causes of damage Author(s) Hradil, David (UACH-T) RID, SAI
Hradilová, J. (CZ)
Kočí, Eva (UACH-T) SAI, RID
Švarcová, Silvie (UACH-T) SAI, RID, ORCID
Bezdička, Petr (UACH-T) SAI, RID, ORCID
Maříková-Kubková, Jana (ARU-G) RID, SAI, ORCIDSource Title Archaeometry - ISSN 0003-813X
Roč. 55, č. 4 (2013), s. 691-706Number of pages 16 s. Language eng - English Country GB - United Kingdom Keywords Pre-Romanesque murals ; painting materials analysis, ; degradation of pigments ; portable X-ray fluorescence ; X-ray microdifraction Subject RIV CB - Analytical Chemistry, Separation Institutional support UACH-T - RVO:61388980 ; ARU-G - RVO:67985912 UT WOS 000320617100006 DOI 10.1111/j.1475-4754.2012.00704.x Annotation Pre-Romanesque murals at Kostol'any pod Tríbečom, Slovakia, have been investigated by portable X-ray fluorescence and by microanalytical methods to identify painting materials (pigments and binders), and to explain the degradation of colours. Today, missing green and blue shades have been reconstructed according to residual concentrations of Cu, which correspond to copper chlorides-products of salt corrosion of the copper carbonates azurite and/or malachite, accelerated by micro-organisms. As confirmed by powder X-ray microdifraction, original minium (Pb3O4) has been transformed to brown-black plattnerite (PbO2). In increased humidity, even insoluble pigments are washing down from the wall and the intensity of colours further diminishes. Workplace Institute of Inorganic Chemistry Contact Jana Kroneislová, krone@iic.cas.cz, Tel.: 311 236 931 Year of Publishing 2014
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