DIN Standards Committee Optics and Precision Mechanics
Jewellery and precious metals - Fineness of solders used with precious metal jewellery alloys (ISO 22764:2020); German and English version prEN ISO 22764:2025
Abstract
This document specifies the precious metal content in solders suitable for use in the production of jewellery made of precious metal alloys.
Begin
2025-09-01
WI
00410014
Planned document number
DIN EN ISO 22764
Project number
02703500
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
draft standard
Jewellery and precious metals - Fineness of solders used with precious metal jewellery alloys (ISO 22764:2020); German and English version prEN ISO 22764:2025
2025-11
Order from DIN Media
