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Portable XRF analysis on selected coins from Tuscany

21 January 2016 by

XRF analysis on selected coins were performed during December 2015-January 2016 in laboratory (fig.1) and directly in the Pava museum (fig. 2).

The portable XRF available in the Department of Biotechnology, Chemistry and Pharmacy at the Siena University is an Olypus Innov-X Delta Premium. 6 pXRF spots were performed on the coins surface, three on each side. The main objective of this analysis is to obtain the bulk chemical composition of the coins…… Read More

Laboratory

Metallographic analysis on a selection of numismatic findings

21 October 2015 by

Our research has started in October 2015, with specific metallographic analysis performed on a first selection of numismatic findings. A second step of analysis will detect the specific isotopes of the metals used in coin production.
The selected coins are made of silver or “mistura” (silver and copper) and come from archaeological excavations undertaken in the Colline Metallifere district. They cover a chronological range that goes from the Xth to the XIIIth century…… Read More

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