Gold, gold alloys

GSO 10085-2012

 

Registry number: GSO 10085-2012

Name: CRM of jewellery gold alloys

Code of the CRM: uAuNi (set)

CRM form: disk

Expire date, year: 2042

 

Code of CRM unit

Element – certified value, mass fraction, %

uAuNi-1

Au-61.99; Ni-1.999; Zn-6.0; Cu-29.997

uAuNi-2

Au-59.99; Ni-4.998; Zn-5.0; Cu-29.997

uAuNi-3

Au-57.99; Ni-8.0; Zn-4.0; Cu-30.0

uAuNi-4

Au-55.99; Ni-10.0; Zn-2.0; Cu-32.0

uAuNi-5

Au-54.99; Ni-12.0; Zn-1.0; Cu-32.0

Download the certificate: Certificate of analysis

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