This document describes a non-destructive method to verify (confirm) the precious metal fineness of finished and semifinished jewellery item(s) considered homogeneous by ED-XRF (energy dispersive X-ray fluorescence), including alloys according to ISO 9202.
This document is not suitable for any coated items. WD-XRF (wavelength dispersive X-ray fluorescence) equipment cannot be used.
Status: PublishedPublication date: 2021-06
Edition: 1Number of pages: 7
Technical Committee: ISO/TC 174 Jewellery and precious metals
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