BS ISO 23345:2021

This standard BS ISO 23345:2021 Jewellery and precious metals. Non destructive precious metal fineness confirmation by ED-XRF is classified in these ICS categories:

• 19.100 Non-destructive testing
• 39.060 Jewellery

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.