Why nitric and not sulfuric acid for gold recovery?

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Martin
Posts: 16
Joined: Wed Mar 01, 2017 11:23 am

Why nitric and not sulfuric acid for gold recovery?

Post by Martin » Thu Mar 09, 2017 9:57 am

When extracting gold from gold fingers (PCI plated connectors of a PCI card) everybody uses Nitric acid. Why not to use Sulfiric acid? Sulfuric acid is cheaper and it is more stronger. Can someone explain it to me?

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