Gold, gold alloys

    GSO 10084-2012

     

    Registry number: GSO 10084-2012

    Name: CRM of jewellery gold alloys

    Code of the CRM: UAuAg (set)

    CRM form: rolled plate, disk

    Expire date, year: 2042

     

    Code of CRM unit

    Element – certified value, mass fraction, %

    UAuAg-2

    		Au-56.994; Ag-4.005; Zn-1; Cu-38

    UAuAg-3

    		Au-58.99; Ag-3.005; Zn-0.5; Cu-37.5

    UAuAg-4

    		Au-60.994; Ag-2.005; Zn-1; Cu-35.996

    UAuAg-5

    		Au-61.99; Ag-1.005; Zn-0.5; Cu-36.5

    UAuAg-6

    		Au-61.994; Ag-6.005; Zn-1.0; Cu-30.997

    UAuAg-7

    		Au-59.994; Ag-8.01; Zn-1; Cu-31.0

    UAuAg-8

    		Au-56.994; Ag-10; Zn-1.5; Cu-31.5

    UAuAg-12

    		Au-57.994; Ag-10; Zn-8.0; Cu-23.998

    Download the certificate: Certificate of analysis

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