Laser-induced breakdown spectroscopy and Raman microscopy for analysis of pigments in polychromes

Marta Castillejo, Margarita Martín, Diego Silva, Theodosia Stratoudaki, Demetrios Anglos, Lucia Burgio, Robin J.H Clark

Research output: Contribution to journalArticle

20 Citations (Scopus)

Abstract

A polychrome from the Rococo period was analysed by use of two laser-based analytical techniques, laser-induced breakdown spectroscopy (LIBS) and Raman microscopy. The analysis, performed on a fragment of a gilded altarpiece from the church of Escatrón, Zaragoza, Spain, provided detailed spectral data that have been used for the identification of pigments. LIBS measurements yielded elemental analytical data that suggest the presence of certain pigments and, in addition, provide information on the stratigraphy of the paint layers. Identification of most pigments and of the materials used in the preparation layer was performed by Raman microscopy.

Original languageEnglish
Pages (from-to)S297-S302
Number of pages6
JournalJournal of Cultural Heritage
Volume1
Issue numberSupplement 1
DOIs
Publication statusPublished - 1 Aug 2000
Externally publishedYes

Keywords

  • lser-induced breakdown spectroscopy
  • pigments
  • polychromes on wood
  • Raman microscopy
  • Spanish cultural heritage

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