EN ISO 9202:2026
(Main)Jewellery and precious metals - Fineness of precious metal alloys (ISO 9202:2026)
Jewellery and precious metals - Fineness of precious metal alloys (ISO 9202:2026)
This document specifies a range of fineness of precious metal alloys recommended for use in the field of jewellery.
NOTE There is a possibility that national legal requirements for the designation, marking and stamping of finished articles exist in the respective countries.
Schmuck und Edelmetalle - Feingehalt von Edelmetalllegierungen (ISO 9202:2026)
Joaillerie, bijouterie et métaux précieux - Titre des alliages de métaux précieux (ISO 9202:2026)
Le présent document spécifie une gamme de titre pour les alliages de métaux précieux d’usage recommandé en joaillerie-bijouterie.
NOTE Il peut exister des exigences légales nationales relatives à la désignation, au marquage et au poinçonnage des articles finis dans les pays en question.
Nakit in plemenite kovine - Čistine zlitin plemenitih kovin (ISO/FDIS 9202:2026)
General Information
- Status
- Not Published
- Publication Date
- 26-May-2026
- Current Stage
- 6055 - CEN Ratification completed (DOR) - Publishing
- Start Date
- 18-May-2026
- Completion Date
- 18-May-2026
Relations
- Effective Date
- 12-Feb-2026
- Revises
EN ISO 9202:2019 - Jewellery and precious metals - Fineness of precious metal alloys (ISO 9202:2019) - Effective Date
- 06-Nov-2024
Overview
EN ISO 9202:2026 - Jewellery and Precious Metals - Fineness of Precious Metal Alloys specifies recommended fineness standards for precious metal alloys in jewellery. Developed by CEN and aligned with ISO 9202:2026, this international standard defines the minimum precious metal content required, expressed in parts per thousand (‰), for various alloy types. The document supports consistency and quality in the jewelry industry while recognizing that separate national legal requirements for marking and stamping may exist.
Key Topics
Definition of Fineness
The standard establishes that fineness refers to the minimum content of the named precious metal (such as gold, platinum, palladium, or silver) in an alloy, measured per thousand by weight.Recommended Fineness Values
EN ISO 9202:2026 lists a range of minimum acceptable fineness values for each type of precious metal alloy. The document ensures that no minus tolerance is allowed-guaranteeing strict quality control.Accepted Analytical Methods
Reliable analytic methods for determining fineness are referenced, including various ISO standards covering gravimetry, potentiometry, ICP-OES, and SPARK-OES techniques.International Context and National Requirements
While the standard is internationally harmonized, it notes that countries may have additional laws regarding designation, marking, and stamping of finished jewellery articles.
Applications
EN ISO 9202:2026 plays a vital role in numerous areas of the jewellery and precious metals industry:
Jewellery Manufacturing
Producers and designers of fine jewellery rely on the standard to ensure their alloys meet globally recognized purity benchmarks, facilitating fair trade and consumer trust.Quality Assurance and Testing
Laboratories use the referenced analytical methods to rigorously test precious metal content, supporting transparent claims about fineness on certified products.Market Compliance
By following EN ISO 9202:2026, manufacturers and distributors can confidently meet industry expectations and more easily adapt to legal requirements in different markets, supporting international trade.Consumer Protection
Defined fineness grades help maintain consumer confidence by assuring consistent quality and authenticity of gold, silver, platinum, and palladium jewellery.
Related Standards
EN ISO 9202:2026 references and aligns with a robust set of international and European standards, including:
- ISO 11210: Platinum determination by gravimetry.
- ISO 11426: Gold assessment using the cupellation method (fire assay).
- ISO 11427, ISO 13756: Silver determination by potentiometry.
- ISO 11490, ISO 11495: Palladium analysis by gravimetry and ICP-OES.
- ISO 11494: Determination of platinum using ICP-OES.
- ISO 15093, ISO 18214: High-purity gold, platinum, and palladium determination using difference methods.
- ISO 15096: High-purity silver assessment by difference methods.
These referenced standards detail the analytic methodologies needed to accurately measure the fineness of precious metal alloys, ensuring reproducibility and market transparency.
By standardizing fineness values and analytical protocols, EN ISO 9202:2026 serves as a foundation for quality, trust, and regulatory compliance in the global jewellery and precious metals industry.
Frequently Asked Questions
EN ISO 9202:2026 is a draft published by the European Committee for Standardization (CEN). Its full title is "Jewellery and precious metals - Fineness of precious metal alloys (ISO 9202:2026)". This standard covers: This document specifies a range of fineness of precious metal alloys recommended for use in the field of jewellery. NOTE There is a possibility that national legal requirements for the designation, marking and stamping of finished articles exist in the respective countries.
This document specifies a range of fineness of precious metal alloys recommended for use in the field of jewellery. NOTE There is a possibility that national legal requirements for the designation, marking and stamping of finished articles exist in the respective countries.
EN ISO 9202:2026 is classified under the following ICS (International Classification for Standards) categories: 39.060 - Jewellery. The ICS classification helps identify the subject area and facilitates finding related standards.
EN ISO 9202:2026 has the following relationships with other standards: It is inter standard links to ISO 9202:2026, EN ISO 9202:2019. Understanding these relationships helps ensure you are using the most current and applicable version of the standard.
EN ISO 9202:2026 is available in PDF format for immediate download after purchase. The document can be added to your cart and obtained through the secure checkout process. Digital delivery ensures instant access to the complete standard document.
Standards Content (Sample)
SLOVENSKI STANDARD
oSIST prEN ISO 9202:2025
01-marec-2025
Nakit in plemenite kovine - Čistine zlitin plemenitih kovin (ISO/DIS 9202:2025)
Jewellery and precious metals - Fineness of precious metal alloys (ISO/DIS 9202:2025)
Joaillerie, bijouterie et métaux précieux - Titre des alliages de métaux précieux (ISO/DIS
9202:2025)
Ta slovenski standard je istoveten z: prEN ISO 9202
ICS:
39.060 Nakit Jewellery
oSIST prEN ISO 9202:2025 en,fr,de
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.
oSIST prEN ISO 9202:2025
oSIST prEN ISO 9202:2025
DRAFT
International
Standard
ISO/DIS 9202
ISO/TC 174
Jewellery and precious metals —
Secretariat: DIN
Fineness of precious metal alloys
Voting begins on:
Joaillerie, bijouterie et métaux précieux — Titre des alliages de
2025-01-17
métaux précieux
Voting terminates on:
ICS: 39.060 2025-04-11
THIS DOCUMENT IS A DRAFT CIRCULATED
FOR COMMENTS AND APPROVAL. IT
IS THEREFORE SUBJECT TO CHANGE
AND MAY NOT BE REFERRED TO AS AN
INTERNATIONAL STANDARD UNTIL
PUBLISHED AS SUCH.
This document is circulated as received from the committee secretariat.
IN ADDITION TO THEIR EVALUATION AS
BEING ACCEPTABLE FOR INDUSTRIAL,
TECHNOLOGICAL, COMMERCIAL AND
USER PURPOSES, DRAFT INTERNATIONAL
STANDARDS MAY ON OCCASION HAVE TO
ISO/CEN PARALLEL PROCESSING
BE CONSIDERED IN THE LIGHT OF THEIR
POTENTIAL TO BECOME STANDARDS TO
WHICH REFERENCE MAY BE MADE IN
NATIONAL REGULATIONS.
RECIPIENTS OF THIS DRAFT ARE INVITED
TO SUBMIT, WITH THEIR COMMENTS,
NOTIFICATION OF ANY RELEVANT PATENT
RIGHTS OF WHICH THEY ARE AWARE AND TO
PROVIDE SUPPORTING DOCUMENTATION.
Reference number
ISO/DIS 9202:2025(en)
oSIST prEN ISO 9202:2025
DRAFT
ISO/DIS 9202:2025(en)
International
Standard
ISO/DIS 9202
ISO/TC 174
Jewellery and precious metals —
Secretariat: DIN
Fineness of precious metal alloys
Voting begins on:
Joaillerie, bijouterie et métaux précieux — Titre des alliages de
métaux précieux
Voting terminates on:
ICS: 39.060
THIS DOCUMENT IS A DRAFT CIRCULATED
FOR COMMENTS AND APPROVAL. IT
IS THEREFORE SUBJECT TO CHANGE
AND MAY NOT BE REFERRED TO AS AN
INTERNATIONAL STANDARD UNTIL
PUBLISHED AS SUCH.
This document is circulated as received from the committee secretariat.
IN ADDITION TO THEIR EVALUATION AS
BEING ACCEPTABLE FOR INDUSTRIAL,
© ISO 2025
TECHNOLOGICAL, COMMERCIAL AND
USER PURPOSES, DRAFT INTERNATIONAL
All rights reserved. Unless otherwise specified, or required in the context of its implementation, no part of this publication may
STANDARDS MAY ON OCCASION HAVE TO
ISO/CEN PARALLEL PROCESSING
be reproduced or utilized otherwise in any form or by any means, electronic or mechanical, including photocopying, or posting on
BE CONSIDERED IN THE LIGHT OF THEIR
the internet or an intranet, without prior written permission. Permission can be requested from either ISO at the address below
POTENTIAL TO BECOME STANDARDS TO
WHICH REFERENCE MAY BE MADE IN
or ISO’s member body in the country of the requester.
NATIONAL REGULATIONS.
ISO copyright office
RECIPIENTS OF THIS DRAFT ARE INVITED
CP 401 • Ch. de Blandonnet 8
TO SUBMIT, WITH THEIR COMMENTS,
CH-1214 Vernier, Geneva
NOTIFICATION OF ANY RELEVANT PATENT
Phone: +41 22 749 01 11
RIGHTS OF WHICH THEY ARE AWARE AND TO
PROVIDE SUPPORTING DOCUMENTATION.
Email: copyright@iso.org
Website: www.iso.org
Published in Switzerland Reference number
ISO/DIS 9202:2025(en)
ii
oSIST prEN ISO 9202:2025
ISO/DIS 9202:2025(en)
Contents Page
Foreword .iv
1 Scope . 1
2 Normative references . 1
3 Terms and definitions . 1
4 Analytical methods for determining fineness . 2
5 Range of fineness . 2
iii
oSIST prEN ISO 9202:2025
ISO/DIS 9202:2025(en)
Foreword
ISO (the International Organization for Standardization) is a worldwide federation of national standards
bodies (ISO member bodies). The work of preparing International Standards is normally carried out through
ISO technical committees. Each member body interested in a subject for which a technical committee
has been established has the right to be represented on that committee. International organizations,
governmental and
...