ZlNCM 585-12.5-4
Alloys based on noble metals for jewellery.
Classification
| Country | Section | Category |
|---|---|---|
| CIS, Russia, Ukraine | Precious metals | Gold, gold alloys |
Chemical composition
| Standard | Fe, % | Bi, % | Cu, % | Zn, % | Ni, % | Sb, % | Pb, % | O, % | Au, % | Примеси, % |
|---|---|---|---|---|---|---|---|---|---|---|
| GOST 30649-99 | < 0.15 | < 0.005 | 23.258–23.758 | 3.6–4.4 | 12–13 | < 0.005 | < 0.005 | < 0.007 | 58.5–59 | < 0.17 |
Information on suppliers
Standards
| Standard | Description |
|---|---|
| GOST 30649-99 |
Description of chemical elements
| Element | Units of measurement | Description |
|---|---|---|
| Fe | % | Iron |
| Примеси | % | Impurities |
| Bi | % | Bismuth |
| Cu | % | Copper |
| Zn | % | Zinc |
| Ni | % | Nickel |
| Sb | % | Antimony |
| Pb | % | Lead |
| O | % | Oxygen |
| Au | % | Gold |