Your Gold is Disolved in to the liquid ( Solution ) to pull the Au from the Solution you need Powder zinc, this will Precipate the gold from the solution, and then it can be Smelted. the Liquid and sands will still be Acidic and needs to be "Properly Disposed" or reused. Did you know you can pull gold from Dished. also you need to aggitate your Ore wile in the acid this will add Oxegn. I don't know your local laws but you need to know them.
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Your Gold is Disolved in to the liquid ( Solution ) to pull the Au from the Solution you need Powder zinc, this will Precipate the gold from the solution, and then it can be Smelted. the Liquid and sands will still be Acidic and needs to be "Properly Disposed" or reused. Did you know you can pull gold from Dished. also you need to aggitate your Ore wile in the acid this will add Oxegn. I don't know your local laws but you need to know them.
All Electrical Boxes are made of Zinc
If that don't work ill get more pure stuf
i would suggest you read this if you havent already
http://webpages.charter.net/kwilliams00/bcftp/bcftp.htm
Pray