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Table 2 Comparison of the analytical conditions of the two handheld XRF instruments used for analysing the Seuso Treasure

From: Non-destructive handheld XRF study of archaeological composite silver objects—the case study of the late Roman Seuso Treasure

Instrument SPECTRO xSORT Combi Thermo Scientific Niton Xl3t GOLDD+
Detector Energy-dispersive SDD Energy-dispersive LDD
X-ray tube 50 kV; Rh-anode 50 kV, Ag-anode
Built-in calibrations ‘Light Elements’ ‘General Metals’ and ‘Precious Metals’
Spot size 3 mm 3 and 8 mm
Acquisition time 60 s 50 s and 40 s