Nuclear techniques applied to provenance and technological studies of Renaissance majolica roundels from Portuguese museums attributed to della Robbia Italian workshop

M. I. Dias, M. I. Prudêncio, Zsolt Kasztovszky, Boglárka Maróti, Ildikó Harsányi, P. Flor

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

Artistic and historical examination of high-quality glazed terracotta sculptures displayed in various Portuguese museums point to their production in della Robbia workshop of Florence (Italy). A multitechnique analytical approach is applied for the first time to these sculptures, aiming to confirm their origin. Materials were analyzed using Instrumental Neutron Activation Analysis, Prompt Gamma Activation Analysis and X-ray Diffraction. The compositional results are similar to other della Robbia sculptures, suggesting a common origin for the raw material that was identified as carbonate rich marine origin marly clay. The applied firing temperatures was proved to be around 900 °C. The differences found within each sculpture are explained by the production technique of assembling separate parts to produce these huge sculptures, and the clay pit heterogeneity.
Original languageEnglish
Pages (from-to)205-219
Number of pages15
JournalJournal Of Radioanalytical And Nuclear Chemistry
Volume312
Issue number2
DOIs
Publication statusPublished - 1 May 2017

Keywords

  • della Robbia Portuguese collections
  • Instrumental neutron activation analysis (INAA)
  • Prompt gamma activation analysis (PGAA)
  • Provenance and technological studies of terracotas
  • Renaissance Italian sculptures
  • X-ray diffraction (XRD)

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