ISO 9202:1991
International Standard
Historical
·
Approved on
12 September 1991
Jewellery — Fineness of precious metal alloys
ISO 9202:1991 Files
English
1 Pages
Historical
OMR
31.27
ISO 9202:1991 Scope
Specifies a range of fineness of gold alloys (375, 585, 750, 916), platinum alloys (850, 900, 950), palladium alloys (500, 950), and silver alloys (800, 835, 925).
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