Gold extraction of nitric acid
Article written for the public. Gold extraction is a realistic approach. If interested, please refer to the dangers of the chemicals used. And safeguards. For safety.
1. Separate parts. The gold out.
2. Sample Gold from electronic circuit boards.
3. We extract the gold with nitric acid. Of electronic circuit boards and CPU Computer.
4. Chemical components.
4.1 Nitric acid HNO3 68% 400 ml
4.2 Clean water 800 ml
5. Nitric acid into the Clean water.
6. Leave it for three minutes.
7. Slow Pouring nitric acid into gold material.
8. Nitric acid to destroy the material. Not gold.
9. Chemical reaction The air bubbles. Water will change color according to the picture.
10. If the reaction stops. Add nitric acid added in small increments. Careful reaction to nitric acid Excessive.
11. Gold will be separated out from the material.