How do i seperate gold from a silver and gold melted button. Copper and lead have been removed already

[Sheilareid]

I have a melted button of gold and silver. The copper and lead are already removed

 

[Yggdrasil]

I have a melted button of gold and silver. The copper and lead are already removed

And???

 

[anarxi]

I have a melted button of gold and silver. The copper and lead are already removed

you need to add silver so that the total amount of gold is no more than 25% of the total mass.
fuse it all into one hemogenic melt and dissolve in nitric acid.
silver will dissolve, gold will precipitate....

You can also add copper.
gold should be no more than a quarter of the weight of the ingot.
such physical laws in this universe.

 

[Yggdrasil]

I have a melted button of gold and silver. The copper and lead are already removed

Is there a question in here?
You have now told us what you have done, but no information about what material it came form what your plan/purpose with this button is and so on.
Hence my reply: And??

If you want sensible replies you need to formulate questions
and provide information that makes us able to help you.

 

[anarxi]

the presence of gold and silver together with the absence of copper and lead indicates cupellation and dore...