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ISO 23345:2021

Jewellery and precious metals — Non destructive precious metal fineness confirmation by ED-XRF

Jun 17, 2021

General information

90.93     Sep 3, 2026

ISO

ISO/TC 174

International Standard

39.060     19.100  

English   French  

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Published

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Scope

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.

Life cycle

NOW

PUBLISHED
ISO 23345:2021
90.93 Standard confirmed
Sep 3, 2026

National adoptions

naSRPS EN ISO 23345:2025  
ISS

Jewellery and precious metals - Non destructive precious metal fineness confirmation by ED-XRF (ISO 23345:2021)

40.60   Close of voting

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