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

作者：Dias M I^*; Prudencio M I; Kasztovszky Zsolt; Maroti Boglarka; Harsanyi Ildiko; Flor P

来源：Journal of Radioanalytical and Nuclear Chemistry, 2017, 312(2): 205-219.

DOI：10.1007/s10967-017-5235-9

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

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 A degrees 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.

• 出版日期2017-5