CHARACTERIZATION OF SERPOTTAS’ STUCCOS BY MEANS OF SIMULTANEOUS THERMAL ANALYSIS: PRELIMINARY RESULTS

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Abstract

In this paper the Simultaneous Thermal Analysis (STA), i.e. thermogravimetric and differential thermal analysis, was used as a diagnostic tool to better understand the matter composition of some very valuable artworks the Serpottas’ stuccoes in Palermo. Particularly the STA was used in order to exclude the presence of an unusual calcium-bearing magnesium carbonate, and the thermal data were also used to quantify the magnesite to calcite ratio. The latter was investigated in order to evaluate the amount of magnesium in the lime used as binder as during 17th and 18th century in Sicily magnesium rich lime was indicated as the most valuable binder probably because this kind of lime has a higher plasticity. The data obtained in this work are not conclusive but indicate a way to contribute to the comprehension of this unique work of art composition.
Original languageEnglish
Pages (from-to)45-50
Number of pages6
JournalInternational Journal of Conservation Science
Volume6
Publication statusPublished - 2015

All Science Journal Classification (ASJC) codes

  • Conservation
  • Nature and Landscape Conservation

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