Indium help

[Scrapper_Ski]

Hey everyone, been lurking for awhile and have got lots of information. One thing I am having a hard time finding out is a good process for cleaning up my indium. I have quite a bit starting to pile up. It is contaminated with silicon dies, I have seen a few methods of cementing it out on copper I believe, but nothing positive. Any and all help is greatly appreciated. I really enjoy learning from you all, thanks in advance.

 

[Lino1406]

Gravimetric separation. Density of indium, 5. of silicon 2.4, after that - melting, indium has very low MP