GSO 10283-2013
 | Registry number: GSO 10283-2013 Name: CRM of jewellery gold alloys Code of the CRM: uAu750 CRM form: rolled plate, disk Expire date, year: 2043 |
Code of CRM unit | Element – certified value, mass fraction, % |
|---|---|
uAu750-1 | Au – 75,00; Ag – 15,00; Cu – 10,00 |
uAu750-2 | Au – 72,997; Ag – 7,500; Zn – 3,001; Cu – 16,498 |
uAu750-4 | Au – 74,999; Ag – 5,001; Cu – 19,997 |
uAu750-5 | Au – 72,999; Ni – 3,997; Zn – 3,001; Cu – 20,00 |
uAu750-6 | Au – 74,999; Ni – 6,497; Zn – 3,498; Cu – 15,000 |
uAu750-7 | Au – 77,000; Ni – 7,495; Zn – 2,499; Cu – 13,000 |
uAu750-8 | Au – 75,00; Ag – 15,00; Ni – 7,50; Zn – 1,501; Cu – 1,003 |
uAu750-9 | Au – 77,00; Ag – 3,001; Ni – 7,997; Zn – 3,000; Cu – 9,000 |
uAu750-10 | Au – 74,000; Ag – 3,500; Ni – 3,498; Zn – 6,999; Cu – 12,00 |
uAu750-11 | Au – 75,999; Ag – 7,001; Ni – 6,496; Zn – 3,500; Cu – 6,999 |
Download the certificate: Certificate of analysis (RU)