Gold recovery from waste medical equipment scissors

😘❤️😀👉👉👉 medical equipment scissors Area The handle is usually plated with gold. It is a device that is of interest and should not be overlooked for gold recovery. We all already know that gold is Durable, corrosion resistant Forming oxides and rust well, there is no reason not to use it in different parts of medical devices. I use Gold stripping solution chemicals to remove gold from scissors handle that is gilded. Gold stripping solution chemicals consist of Gold stripping 15 gram mixed with sodium cyanide or potassium cyanide 15 gram and 1 liter of water. Usually can dissolve 15 to 25 grams of gold. I precipitated gold from the solution of Gold stripping solution chemicals with zinc powder, using potassium hydroxide as a catalyst for gold to adhere to zinc powder. Then, separate the gold from zinc powder by using nitric acid mixed with water at a ratio of 1to 2. Will be left with gold sediment. After the zinc powder has been completely dissolved,