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NBN EN ISO 23345:2026
Jewellery and precious metals - Non destructive precious metal fineness confirmation by ED-XRF (ISO 23345:2021)
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Summary
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.
This document is not suitable for any coated items. WD-XRF (wavelength dispersive X-ray fluorescence) equipment cannot be used.
Technical characteristics
| Publisher | Bureau de Normalisation Belge (NBN) |
| Publication Date | 03/18/2026 |
| Page Count | 0 |
| EAN | --- |
| ISBN | --- |
| Weight (in grams) | --- |
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