X-Ray Fluorescence Analysis of XII–XIV Century Italian Gold Coins

Table 1

Average concentrations and mean variations of the Florins analysed.

Element	Concentration (%)
Fe	0.5 ± 0.3
Cu	0.06 ± 0.04
Ag	0.15 ± 0.09
Pb	0.31 ± 0.09
Au	98.9 ± 0.04