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https://www.youtube.com/watch?v=EOqR7Kz0u7A
Mar 16, 2018 · HOW to Recover GOLD from Scrap VERY EASY - No nitric acid needed HDcontact me : [email protected]: kassi man
https://www.jewelry-tutorials.com/gold-refining-purify-process.html
This is a free tutorial on gold recovery method using nitric acid to extract pure gold from old gold and scraps of gold by process of dissolving unwanted metals. When I use this refining method, I regard the purity of the gold as 22kt, and I alloy it accordingly down to 18kt or 14kt.
https://www.youtube.com/watch?v=OfR9wCPqfog
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https://www.instructables.com/Gold-recovery/
Step 1: Extracting Gold From Scraps Collect any gold-containing metal scraps to which you have access, including jewelry, computer processors, old telephone wiring or gold tooth crowns. Keep in mind that outdated electronics are likelier to produce parts with a high enough level of gold to make the procedure worthwhile.Estimated Reading Time: 6 mins
https://www.wikihow.com/Test-Gold-with-Vinegar
Aug 26, 2019 · Fill an eyedropper with white vinegar. White vinegar is the most acidic vinegar, so it works the best for testing gold. It is also clear-colored, so it will show a color change the best. You’ll want to use an eyedropper to pour your vinegar …90%(39)
https://www.instructables.com/How-To-Extract-Gold-From-Electronics/
Then, you should remove the PCB and scrape off any gold still attached to the PCB (you should be wearing gloves if performing this step by hand) and fully submerge it into a cup of water. Then, add some add some water to the existing solution full of gold (I recommend doubling the …Estimated Reading Time: 8 mins
https://www.ehow.com/how_6777421_do-purify-using-common-materials_.html
You can melt scrap gold at home to purify it using a few specialized tools and some common materials you can purchase at your local hardware store. Pure gold is 24 karats and has a melting point of 1,940 degrees Fahrenheit.
https://www.facebook.com/Baghdad.Jewellery.eg
Baghdad Jewellery, Cairo, Egypt. 875,398 likes · 2,055 talking about this · 233 were here. Jewellery & Diamond store
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