Complementary use of the Raman and XRF techniques for non-destructive analysis of historical paint layers (Articolo in rivista)

Type
Label
  • Complementary use of the Raman and XRF techniques for non-destructive analysis of historical paint layers (Articolo in rivista) (literal)
Anno
  • 2009-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1016/j.apsusc.2008.07.138 (literal)
Alternative label
  • M. Sawczak (a); A. Kaminska (b); G. Rabczuk (a); M. Ferretti (c); R. Jendrzejewski (a); G. Sliwinski (a); (2009)
    Complementary use of the Raman and XRF techniques for non-destructive analysis of historical paint layers
    in Applied surface science
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • M. Sawczak (a); A. Kaminska (b); G. Rabczuk (a); M. Ferretti (c); R. Jendrzejewski (a); G. Sliwinski (a); (literal)
Pagina inizio
  • 5542 (literal)
Pagina fine
  • 5545 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 255 (literal)
Rivista
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#pagineTotali
  • 4 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroFascicolo
  • 10 (literal)
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • a) Polish Academy of Sciences, The Szewalski Institute of Fluid-Flow Machinery Fiszera 14, 80-231 Gdansk, Poland; b) Agency for Integration of Conservation Activities - AICA, Dubois 55, 80-419 Gdansk, Poland; c) Institute for Technologies Applied to Cultural Heritage, CNR, Via Salaria -CP10, 00016 Monterotondo St., Rome, Italy; (literal)
Titolo
  • Complementary use of the Raman and XRF techniques for non-destructive analysis of historical paint layers (literal)
Abstract
  • The portable XRF spectrometer has been applied in situ for the non-destructive elemental mapping of the pigment components of the XV c. mural painting and frescos of the Little Christopher chamber in the Main Town Hall of Gdan´ sk, Poland. For a sufficiently large data collection the principal component analysis (PCA) was applied in order to associate the most intense lines of the elements Ca, Cu, Fe, Pb, and Hg in the XRF spectra with the palette of colors: white, brown, green, blue, red, yellow, and black observed in the painting. This allowed to limit the number of extractions of the micro-samples for the complementary Raman measurements thus assuring the practically non-destructive character of the entire analysis. The reliable identification of the pigment compositions was based on coincidence of the XRF, PCA and the Raman results which confirmed the presence of the chalk, malachite, azurite, red lead, mars red, mars yellow and candle black in the historical paints, except of the carbon-based black pigment being out of the XRF detection range. Different hues of the green paint were specified and the variety of the red and brown ones was ascribed to compositions of the Pb- and Fe-based red pigments (Fe2O3 and Pb3O4) with addition of the vermilion (HgS) and carbon black, in agreement with literature. The traces of elements: Ba and Sr, Sb and Mo, and also Cd, were ascribed to the impurities of Ca, those of some ochre pigments, and to the soluble Cd salts, respectively. (literal)
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