How to extract gold from waste jewelry, what are the steps:

1. Collect the scrap jewelry: Collect all the scrap jewelry that you want to refine. This may include broken chains, bracelets, earrings, rings, and other items made of gold.

2. Sort the jewelry: Sort the jewelry based on its karat value. Karat is the unit used to measure the purity of gold. The higher the karat, the purer the gold. You can use a gold testing kit to determine the karat value of each piece.

3. Remove any non-gold material: Use a magnet to remove any iron or steel items from the scrap gold. You can also use a nitric acid solution to dissolve any base metals that are present.

4. Melt the gold: Use a furnace or torch to melt the gold into a liquid form. You can use a graphite crucible to contain the gold during the melting process.

5. Add flux: Add a flux material, such as borax or sodium carbonate, to the melted gold. This helps to remove any impurities and allows the gold to flow more easily.

6. Pour the gold into a mold: Once the gold has been melted and the flux has been added, pour the gold into a mold. This will allow the gold to cool and solidify into a desired shape.

7. Refine the gold: After the gold has solidified, you can refine it further using a process called aqua regia. This involves dissolving the gold in a mixture of nitric and hydrochloric acid, which separates the gold from any remaining impurities.

8. Recycle the gold: Once the gold has been refined, it can be sold or reused to make new jewelry.

It's important to note that refining gold from scrap jewelry can be a dangerous process, and should only be attempted by experienced professionals who have the necessary equipment and safety precautions in place.

Additionally, it's important to comply with any local laws and regulations related to gold refining and precious metal trading.

If you're interested in refining gold from scrap jewelry, it's recommended that you seek out a reputable refiner who has the expertise and equipment to do the job safely and efficiently. They may charge a fee for their services, but it can be well worth the investment if you're looking to extract the maximum value from your scrap gold.

It's also worth noting that refining gold from scrap jewelry is a more environmentally friendly option than mining new gold. By recycling old jewelry, you're reducing the demand for new gold mining, which can have a negative impact on the environment.

Overall, refining gold from scrap jewelry can be a profitable and sustainable way to extract value from old and broken items. However, it's important to approach the process with caution and seek out professional help if you're not experienced in gold refining.