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Statements

Subject Item
n2:RIV%2F00216208%3A11310%2F14%3A10282415%21RIV15-MSM-11310___
rdf:type
skos:Concept n13:Vysledek
rdfs:seeAlso
http://dx.doi.org/10.1016/j.saa.2014.05.022
dcterms:description
An unambiguous identification of pigments in paint layers of works of art forms a substantial part of the description of a painting technique, which is essential for the evaluation of the work of art including determination of the period and/or region of its creation as well as its attribution to a workshop or an author. Copper pigments represent a significant group of materials used in historic paintings. Because of their substantial diversity and, on the other hand, similarity, their identification and differentiation is a challenging task. An analytical procedure for unambiguous determination of both mineral-type (azurite, malachite, posnjakite, atacamite, etc.) and verdigris-type (copper acetates) copper pigments in the paint layers is presented, including light microscopy under VIS and UV light, electron microscopy with elemental microanalysis, Fourier transformed infrared micro-spectroscopy (micro-FTIR), and X-ray powder micro-diffraction (micro-XRD). Micro-Raman measurements were largely hindered by fluorescence. The choice of the analytical methods meets the contemporary requirement of a detailed description of various components in heterogeneous and minute samples of paint layers without their destruction. It is beneficial to use the combination of phase sensitive methods such as micro-FTIR and micro-XRD, because it allows the identification of both mineral-type and verdigris-type copper pigments in one paint layer. In addition, preliminary results concerning the study of the loss of crystallinity of verdigris-type pigments in proteinaceous binding media and the effect of lead white and lead tin yellow as highly absorbing matrix on verdigris identification in paint layers are reported. An unambiguous identification of pigments in paint layers of works of art forms a substantial part of the description of a painting technique, which is essential for the evaluation of the work of art including determination of the period and/or region of its creation as well as its attribution to a workshop or an author. Copper pigments represent a significant group of materials used in historic paintings. Because of their substantial diversity and, on the other hand, similarity, their identification and differentiation is a challenging task. An analytical procedure for unambiguous determination of both mineral-type (azurite, malachite, posnjakite, atacamite, etc.) and verdigris-type (copper acetates) copper pigments in the paint layers is presented, including light microscopy under VIS and UV light, electron microscopy with elemental microanalysis, Fourier transformed infrared micro-spectroscopy (micro-FTIR), and X-ray powder micro-diffraction (micro-XRD). Micro-Raman measurements were largely hindered by fluorescence. The choice of the analytical methods meets the contemporary requirement of a detailed description of various components in heterogeneous and minute samples of paint layers without their destruction. It is beneficial to use the combination of phase sensitive methods such as micro-FTIR and micro-XRD, because it allows the identification of both mineral-type and verdigris-type copper pigments in one paint layer. In addition, preliminary results concerning the study of the loss of crystallinity of verdigris-type pigments in proteinaceous binding media and the effect of lead white and lead tin yellow as highly absorbing matrix on verdigris identification in paint layers are reported.
dcterms:title
Non-destructive micro-analytical differentiation of copper pigments in paint layers of works of art using laboratory-based techniques Non-destructive micro-analytical differentiation of copper pigments in paint layers of works of art using laboratory-based techniques
skos:prefLabel
Non-destructive micro-analytical differentiation of copper pigments in paint layers of works of art using laboratory-based techniques Non-destructive micro-analytical differentiation of copper pigments in paint layers of works of art using laboratory-based techniques
skos:notation
RIV/00216208:11310/14:10282415!RIV15-MSM-11310___
n4:aktivita
n12:I n12:S
n4:aktivity
I, S
n4:cisloPeriodika
NOVEMBER
n4:dodaniDat
n11:2015
n4:domaciTvurceVysledku
n18:2065592
n4:druhVysledku
n16:J
n4:duvernostUdaju
n9:S
n4:entitaPredkladatele
n19:predkladatel
n4:idSjednocenehoVysledku
32747
n4:idVysledku
RIV/00216208:11310/14:10282415
n4:jazykVysledku
n15:eng
n4:klicovaSlova
Powder X-ray micro-diffraction; Paintings; Model experiments; Microanalysis; Infrared spectroscopy; Copper pigments
n4:klicoveSlovo
n5:Powder%20X-ray%20micro-diffraction n5:Infrared%20spectroscopy n5:Paintings n5:Model%20experiments n5:Copper%20pigments n5:Microanalysis
n4:kodStatuVydavatele
GB - Spojené království Velké Británie a Severního Irska
n4:kontrolniKodProRIV
[5A35ED1998A4]
n4:nazevZdroje
Spectrochimica Acta - Part A: Molecular and Biomolecular Spectroscopy
n4:obor
n14:CA
n4:pocetDomacichTvurcuVysledku
1
n4:pocetTvurcuVysledku
5
n4:rokUplatneniVysledku
n11:2014
n4:svazekPeriodika
132
n4:tvurceVysledku
Bezdicka, Petr Svarcova, Silvie Hradilova, Janka Hradil, David Čermáková, Zdeňka
n4:wos
000340330800061
s:issn
1386-1425
s:numberOfPages
12
n17:doi
10.1016/j.saa.2014.05.022
n8:organizacniJednotka
11310