Analysis of a Series of Medieval Japanese Coins via Energy Dispersive X-Ray Fluorescece Spectrometry

Attar, Hana, Jennifer Shango, and Mark Benvenuto

Two hundred thirty nine Japanese coins were analyzed via Energy Dispersive X-Ray Fluorescence (EXDRF) Spectrometry for the following elemental components: iron (Fe), cobalt (Co), nickel (Ni), copper (Cu), zinc (Zn), arsenic (As), platinum (Pt), gold (Au), bismuth (Bi), lead (Pb), palladium (Pd), silver (Ag), tin (Sn), and antimony (Sb). The compositions of the Japanese coins were high in copper, lead, and tin. Various other metals were detected in the Japanese coins in a small percentage. The implications of these compositions will be discussed.