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Differentiation of clay-based pigments in paintings by means of laser ablation-inductively coupled plasma-mass spectrometry
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SYSNO ASEP 0506138 Document Type J - Journal Article R&D Document Type Journal Article Subsidiary J Článek ve WOS Title Differentiation of clay-based pigments in paintings by means of laser ablation-inductively coupled plasma-mass spectrometry Author(s) Pospíšilová, E. (CZ)
Hradil, David (UACH-T) RID, SAI
Holá, M. (CZ)
Hradilová, J. (CZ)
Novotný, K. (CZ)
Kanický, V. (CZ)Number of authors 6 Article number 105639 Source Title Spectrochimica Acta Part B: Atomic Spectroscopy. - : Elsevier - ISSN 0584-8547
Roč. 158, AUG (2019)Number of pages 11 s. Language eng - English Country GB - United Kingdom Keywords Clay pigments ; LA-ICP-MS ; Painting grounds ; Provenance analysis ; Trace elements Subject RIV CA - Inorganic Chemistry OECD category Inorganic and nuclear chemistry R&D Projects GA17-25687S GA ČR - Czech Science Foundation (CSF) Method of publishing Open access with time embargo (01.08.2021) Institutional support UACH-T - RVO:61388980 UT WOS 000484434900005 EID SCOPUS 85067866111 DOI 10.1016/j.sab.2019.105639 Annotation The method of the laser ablation-inductively coupled plasma-mass spectrometry has become an effective tool in the analysis of the art and archaeological objects. With a few exceptions, however, it has not been fully established in the provenance analysis of historical paintings yet. Although the method is micro-destructive for the paint samples, the direct solid sample analysis with just a minor material removal enables obtaining valuable information on the trace element composition, which is useful for the track the origin of mineral pigments, as, e.g. the clay-based pigments. This work aimed for the optimization of the measurement parameters and a subsequent differentiation of red clays from three reference localities in Europe that were pre-selected based on their relevance for the 18th century painting. Finally, the ground preparatory layer from a painting by an 18th century painter, J. G. de Hamilton, has been analysed. It was satisfactorily proved that the red clay used in the ground was mined out in Troschenreuth, Bavaria, Germany. This is in line with the historical documents recording that Hamilton, when he was acting in Bohemia, bought already primed (ready-to-use) canvases in Bavaria. Despite the heterogeneity and small sizes of paint samples the obtained results show the way in which the provenance analysis of clays in paint samples can be performed. This opens up an entirely new possibility of assessing the regional provenance of historical paintings. Workplace Institute of Inorganic Chemistry Contact Jana Kroneislová, krone@iic.cas.cz, Tel.: 311 236 931 Year of Publishing 2020 Electronic address http://hdl.handle.net/11104/0297401
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