Počet záznamů: 1
Gold nanoparticles in painted miniatures on ivory: Non-invasive evidence and characterisation
- 1.
SYSNO ASEP 0567425 Druh ASEP J - Článek v odborném periodiku Zařazení RIV J - Článek v odborném periodiku Poddruh J Článek ve WOS Název Gold nanoparticles in painted miniatures on ivory: Non-invasive evidence and characterisation Tvůrce(i) Širillová, Z. (CZ)
Hradilová, J. (CZ)
Pech, M. (CZ)
Švarcová, Silvie (UACH-T) SAI, RID, ORCID
Bezdička, Petr (UACH-T) SAI, RID, ORCID
Neděla, Vilém (UPT-D) RID, ORCID, SAI
Hradil, David (UACH-T) RID, SAICelkový počet autorů 7 Číslo článku 111015 Zdroj.dok. Dyes and Pigments. - : Elsevier - ISSN 0143-7208
Roč. 210, FEB (2023)Poč.str. 10 s. Jazyk dok. eng - angličtina Země vyd. GB - Velká Británie Klíč. slova Portrait miniature ; Purple of Cassius ; Gold nanoparticles ; X-ray fluorescence ; X-ray diffraction ; Environmental scanning electron microscopy Vědní obor RIV CB - Analytická chemie, separace Obor OECD Analytical chemistry CEP DG18P02OVV034 GA MK - Ministerstvo kultury Způsob publikování Omezený přístup UT WOS 000906604200001 EID SCOPUS 85144072224 DOI 10.1016/j.dyepig.2022.111015 Anotace To document the use of gold nanoparticles (also known as ˝Purple of Cassius˝ pigment) in miniature painting, seven 19th century portraits from Czech collections containing purple colour were studied. The research was performed non-invasively, as it was not possible to sample the small-sized and delicate paintings. Large area X-ray fluorescence scanning indicated the presence of Purple of Cassius in four paintings, while in the three of them, the desired shade was achieved by mixing red and blue pigments, for example vermillion and Prussian blue. The detected gold nanoparticles were characterised in detail by X-ray powder diffraction and via innovative use of environmental scanning electron microscopy. The obtained diffraction patterns enabled the calculation of average size of the particles, which equalled to 8-14 nm. Based on available historical recipes, the pigment preparation was replicated in laboratory, yielding analogous pigment with similar particle size. For the first time, Purple of Cassius was identified and characterised in portrait miniatures. Pracoviště Ústav anorganické chemie Kontakt Jana Kroneislová, krone@iic.cas.cz, Tel.: 311 236 931 Rok sběru 2023 Elektronická adresa https://doi.org/10.1016/j.dyepig.2022.111015
Počet záznamů: 1