NA 027
DIN Standards Committee Optics and Precision Mechanics
Standards
[Withdrawn]
ISO 11426
ISO 11426
Determination of gold in gold jewellery alloys - Cupellation method (fire assay)
Title (German)
Bestimmung von Gold in Gold-Schmucklegierungen - Dokimastisches Verfahren (Kupellationsmethode)
Responsible national committee
NA 027-04-01 AA - Jewellery, precious metals and associated products