PART 1
gold recovery from copmuer main chip ic is very easy.
in this I used suulfiric acid to disolve ic silicon.
after washing i give some Nitric Acid to remove base metals.
and then give Aqua Regia for gold dissolvin.
3 parts of HCL and 1 part of HNO3 makes Aqua regia.
PART2
Gold recovery from graphic IC Chips.(part 2)
in this part i filtterd the aqua regia solution and then make SMB solutionto extract gold from aqua regia solution.iI pour the SMB solution in aquq regia solution and leave solution over night.
Next day I filter solution again to get gold dust.
dry Gold dust and melting gold.
*UMAR IQBA*
I do the same method but not able to find gold dust some white dust came down after smb plz help
ReplyDeleteBhaijaan keyboard ki polythene se silver recover kaise karte hain
ReplyDeleteCan aqua regia solution work again after being used for gold recovery?
ReplyDeletePlease send your contact number please
ReplyDelete