Gold, gold alloys

GSO 10282-2013

 

Registry number: GSO 10282-2013

Name: CRM of jewellery gold alloys

Code of the CRM: uAu375 (set)

CRM form: rolled plate, disk

Expire date, year: 2043

 

Code of CRM unit

Element – certified value, mass fraction, %

uAu375-2

Au-35.0; Ag-1.0; Zn-0.999; Cu-62.99

uAu375-4

Au-37.999; Ag-5.0; Zn-0.5; Cu-56.49

uAu375-5

Au-39.0; Ag-2.0; Zn-6.999; Cu-51.99

uAu375-6

Au-37.0; Ag-25.0; Cu-38.0

Download the certificate: Certificate of analysis

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