1 thought on “How to refine the old mobile phone into gold”
Brent
In the interface of the mobile phone, there will be a certain amount of golden alloy containing gold alloys, S sodium cyanide to pure gold. In addition, the salt that can form a stable mixing compound with gold can also precipitate gold. , Potassium Silicate's closeness to Wang Shui is stronger than the closeness of Wang Shui.
In the interface of the mobile phone, there will be a certain amount of golden alloy containing gold alloys,
S sodium cyanide to pure gold. In addition, the salt that can form a stable mixing compound with gold can also precipitate gold. , Potassium Silicate's closeness to Wang Shui is stronger than the closeness of Wang Shui.