Sodium tetrachloroaurate (III)
The chemical composition of Sodium tetrachloroaurate (III) shall meet the requirements specified in Table 1.
Table 1
Parameter | Value |
1 Mass fraction of gold, % | 47,0-51,0 |
2 Mass fraction of sodium, % | * |
3 Mass fraction of impurity, %, not more than: | |
platinum | 0.03 |
rhodium | 0.01 |
palladium | 0.01 |
iridium | 0.01 |
ruthenium | 0.01 |
4 Mass fraction of impurity, %, not more than: | |
silver | 0.01 |
aluminium | 0.01 |
bismuth | 0.01 |
iron | 0.01 |
calcium | 0.03 |
cobalt | 0.01 |
silicon | 0.01 |
magnesium | 0.01 |
copper | 0.01 |
nickel | 0.01 |
lead | 0.01 |
zinc | 0.01 |
*Content of sodium in Sodium tetrachloroaurate (III) is determined, but not rationed. Note - additional requirements for the quality of Sodium tetrachloroaurate (III) can be established upon agreement between the consumer and the manufacturer. |