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Jewellery and precious metals - Non destructive precious metal fineness confirmation by ED-XRF
Translate name
STANDARD published on 1.8.2026
Designation standards: ČSN EN ISO 23345
Classification mark: 421672
Catalog number: 523886
Publication date standards: 1.8.2026
SKU: NS-1278522
The number of pages: 20
Approximate weight : 60 g (0.13 lbs)
Country: Czech technical standard
Category: Technical standards ČSN
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
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