60.60 Standard published Jun 17, 2021
ISO/TC 174 Jewellery and precious metals
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.
60.60 Standard published
Jun 17, 2021