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sodium sulfite and gold leaching in usa

Jul 23 2009 · Either SMB or Sodium Sulfite or even sulfur dioxide gas will work fine for reducing gold in HClCl solutions When highly concentrated the solution will lean towards deep orange to deep red when highly concentrated I use dry SMB exclusively now days and never have had to heat the solution to get the gold to drop...As a leading global manufacturer of crushing equipment, milling equipment,dressing equipment,drying equipment and briquette equipment etc. we offer advanced, rational solutions for any size-reduction requirements, including quarry, aggregate, grinding production and complete plant plan.

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