Gold Fingers How to Recover Gold from Electronic Scrap YouTube

Dec 19 2013 In this video tutorial i 39m showing how to recover gold from electronic circuit board scrap Specifically the gold plating that is f Dec 19 2013 In this video tutorial i 39m showing how to recover gold from electronic circuit board scrap Specifically the gold plating that is f

Sim cards recycling Gold recovery from cell phone sim card

Nov 17 2016 Gold Recovery from Sim Cards I use very easy method to recover gold from sim cards Give 1 hour for reaction then I add more HNO3 to dissolve gold completely in solution After 1 hour We have a few more environmental laws here so a lot of what you do wouldn 39t really work here legally or ethically  Nov 17 2016 Gold Recovery from Sim Cards I use very easy method to recover gold from sim cards Give 1 hour for reaction then I add more HNO3 to dissolve gold completely in solution After 1 hour We have a few more environmental laws here so a lot of what you do wouldn 39t really work here legally or ethically 

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