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Micro-spectroscopic study of late 19th-early 20th century tube paints
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SYSNO ASEP 0558089 Document Type J - Journal Article R&D Document Type Journal Article Subsidiary J Článek ve WOS Title Micro-spectroscopic study of late 19th-early 20th century tube paints Author(s) Garrappa, Silvia (UACH-T) ORCID, RID, SAI
Frøysaker, T. (NO)
Streeton, N. L. W. (NO)
Hradil, David (UACH-T) RID, SAI
Platania, E. (NO)
Beltinger, K. (CH)
Caruso, F. (NO)Number of authors 7 Article number 121414 Source Title Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy. - : Elsevier - ISSN 0584-8539
Roč. 279, OCT (2022)Number of pages 11 s. Language eng - English Country NL - Netherlands Keywords Metal carboxylates ; Micro-ATR-FTIR ; Micro-Raman ; Micro-XRPD ; Pigments ; Zinc stearate Subject RIV CB - Analytical Chemistry, Separation OECD category Analytical chemistry Method of publishing Limited access Institutional support UACH-T - RVO:61388980 UT WOS 000822677500002 EID SCOPUS 85131057454 DOI 10.1016/j.saa.2022.121414 Annotation Many issues in the conservation of paintings from the early modern period are still unresolved due to lack of information on paints from the late 19th and early 20th centuries, in particular their production, formulations, and later degradation processes. The inconsistency of the names that paint manufacturers chose for their products furthermore compounds the challenges faced by conservators and chemists wishing to study them. This paper addresses a number of these issues through investigations of commercial tube oil paints from a paint box owned by the Norwegian painter Harriet Backer (1845–1932). Samples were analyzed using a multi-instrumental approach. Micro-attenuated total reflection Fourier transform infrared spectroscopy and micro-Raman spectroscopy – supported by micro-X-ray powder diffraction – allowed the identification of binders, pigments, and extenders. The data highlight the use of materials that were new at the time and not reported in the manufacturer's catalog. Furthermore, zinc stearate has been detected for the first time. Its detection and the absence of any zinc-based pigments confirms that zinc stearate was already used as dispersing agent in paint formulations at that time. Workplace Institute of Inorganic Chemistry Contact Jana Kroneislová, krone@iic.cas.cz, Tel.: 311 236 931 Year of Publishing 2023 Electronic address https://doi.org/10.1016/j.saa.2022.121414
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