DIN Standards Committee Optics and Precision Mechanics
Jewellery and precious metals - Non destructive precious metal fineness confirmation by ED-XRF (ISO 23345:2021)
Abstract
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.
Begin
2025-08-27
WI
00410018
Planned document number
prEN ISO 23345
Responsible national committee
NA 027-04-04 AA - Methods of analysis for determination of fineness of precious metals
Responsible european committee
CEN/TC 410 - Jewellery and precious metals
draft standard
Jewellery and precious metals - Non destructive precious metal fineness confirmation by ED-XRF (ISO 23345:2021)
2025-11
Order from DIN Media
