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NA 027

DIN Standards Committee Optics and Precision Mechanics

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Draft standard [New]

prEN ISO 22764
Jewellery and precious metals - Fineness of solders used with precious metal jewellery alloys (ISO 22764:2020)

Title (German)

Schmuck und Edelmetalle - Feingehalt von Loten, die für Edelmetalllegierungen verwendet werden (ISO 22764:2020)

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  

Edition 2025-11
Public enquiry period until 2026-02-12
Original language English
Price On Request
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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