NA 027
DIN Standards Committee Optics and Precision Mechanics
Standards
[Withdrawn]
ISO 11426
ISO 11426
Jewellery - Determination of gold in gold jewellery alloys - Cupellation method (fire assay)
Title (German)
Schmuck - Bestimmung von Gold in Goldschmucklegierungen - Dokimastisches Verfahren
Responsible national committee
NA 027-04-04 AA - Methods of analysis for determination of fineness of precious metals