NA 027
DIN Standards Committee Optics and Precision Mechanics
Standards
[CURRENT]
EN ISO 9202
EN ISO 9202
Jewellery and precious metals - Fineness of precious metal alloys (ISO 9202:2019)
Title (German)
Schmuck und Edelmetalle - Feingehalt von Edelmetalllegierungen (ISO 9202:2019)
Responsible national committee
NA 027-04-04 AA - Methods of analysis for determination of fineness of precious metals