Analysis of pigments in polychromes by use of laser induced breakdown spectroscopy and Raman microscopy

M Castillejo, M Martín, D Silva, T Stratoudaki, D Anglos, L Burgio, R.J.H Clark

Research output: Contribution to journalArticle

78 Citations (Scopus)

Abstract

Two laser-based analytical techniques, Laser Induced Breakdown Spectroscopy (LIBS) and Raman microscopy, have been used for the identification of pigments on a polychrome from the Rococo period. Detailed spectral data are presented from analyses performed on a fragment of a gilded altarpiece from the church of Escatron, Zaragoza, Spain. LIBS measurements yielded elemental analytical data which 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)191-198
Number of pages8
JournalJournal of Molecular Structure
Volume550-551
DOIs
Publication statusPublished - 5 Sep 2000
Externally publishedYes

Keywords

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

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