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- Joined
- May 16, 2021
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- 1
I received a bottle of waste acid from a person who tried to recover gold from various sources but could never quite get it right. I precipitated all the metals using lye (Sodium Hydroxide). I filtered and dried, leaving myself with a powder of various metals. Do I need to melt back into a metal or can I start stripping out the metals with the powder?
My method to remove non precious metals will be the following
1) Boiling hydrochloric acid with distilled water- filter out remains for next step
2) Boiling nitric acid with distilled water- filter out remains for next step
Finally recover gold with Aqua Regia
My method to remove non precious metals will be the following
1) Boiling hydrochloric acid with distilled water- filter out remains for next step
2) Boiling nitric acid with distilled water- filter out remains for next step
Finally recover gold with Aqua Regia