SR XRFand μPIXE were used to investigate the composition and structure of ancient silver.
Au and Bi are fingerprint elements,useful to identify metal sources.
A Geto-Thracian silve rsample is linked to th eLaurion mine in Greece,bytheAu/AgandBi/Agratio.
Microstructure was correlated with metal-working techniques.
Corrosion related traces of Br and Cl was identified by characteristic X-raymapping.