@MakeGold    / archimedeschannel   AR You left too much. 5 minutes will be yellowish orange. How to Recycle Gold from Electronics e waste Recycling scrap components electronics connectors circuit Boards. recycle gold from electronic devices.
Teaching How to gold extraction process Recovery Refining How to recover and refine computer scrap with acid .Gold Refinery Refining Gold Recycle Gold extraction value of gold in cpu computer scrap circuits board.
Recycle gold from electronics devices. ewaste Recycling scrap components connectors circuit Boards.
1:21 a week to remove the gold plating from
3:31 gold fragments dry
4:50 aqua regia can dissolve 50 grams of gold
7:06 brown sediment of gold could be seen I
11:25 the results of my way
12:17 the remaining Acquia raja solution from
14:12 Raja I slowly poured the aqua regia
17:52 I placed the heart but still hot gold