ISO 23345:2021

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

Publication date: Jun 17, 2021

General information

Current stage: 90.20 Effective date: Apr 15, 2026

Originator: ISO

Owner: ISO/TC 174

Type: International Standard

ICS: 39.060 19.100

Languages: English French

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Status: 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
90.20 Standard under periodical review
Apr 15, 2026

National adoptions

SSH ISO 23345:2021

DPS

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

60.60 Standard published

DPS/KT 133 more

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