Per la datazione dei materiali organici della Pace di Chiavenna con AMS-14C
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Radiocarbon dating was applied to four organic samples from the Pace di Chiavenna: two wooden cores extracted from the frame, a structural wooden cross underneath the central decoration, and a waxy material used to fix a cloisonné enamel. Carbon was extracted using routine techniques, and isotopic concentrations were analyzed using Accelerator Mass Spectroscopy (AMS). The results ascribed the death of the living organisms from which the materials were taken to a specific historical period; the raw results were statistically elaborated, narrowing the most probable period range, which resulted compatible with Henry II’s last journey in Italy (1021-1022 AD).
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