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NA 027

DIN Standards Committee Optics and Precision Mechanics

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Draft standard [New]

DIN EN ISO 22764
Jewellery and precious metals - Fineness of solders used with precious metal jewellery alloys (ISO 22764:2020); German and English version prEN ISO 22764:2025

Title (German)

Schmuck und Edelmetalle - Feingehalt von Loten, die für Edelmetalllegierungen verwendet werden (ISO 22764:2020); Deutsche und Englische Fassung prEN ISO 22764:2025

Responsible national committee

NA 027-04-04 AA - Methods of analysis for determination of fineness of precious metals  

Responsible european committee

CEN/TC 410 - Jewellery and precious metals  

Responsible international committee

ISO/TC 174/WG 1 - Methods for determining fineness  

Edition 2025-11
Publication 2025-10-10
Public enquiry period until 2025-12-10
Original language German , English
Price from 50.70 €
Read draft and comment Order from DIN Media
Table of contents

Contact

Dipl.-Ing. (FH)

Petra Bischoff

Alexander-Wellendorff-Str. 2
75172 Pforzheim

Tel.: +49 7231 9188-31
Fax: +49 7231 9188-33

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