Gold recovery from waste medical equipment scissors

Archimedes Channel
Archimedes Channel
17.7 هزار بار بازدید - 4 سال پیش - 😘❤️😀‪@MakeGold‬ 👉👉👉👉
😘❤️😀‪@MakeGold‬ 👉👉👉👉 archimedeschannel
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, you will receive gold precipitate. Rinse and clean with hot water 3 times. Making the gold sludge dry If you smelt gold end at this step. You will get about 90-95% gold purity or want 24k gold purity. Use aqua regia dissolves gold.
Gold recovery from waste medical equipment scissors.
0:04 today i will show you how to make gold
0:41 i use gold stripping solution chemicals
0:54 15 grams of gold stripping mixed with
1:55 gold you will have enough gold powder
3:03 has a very strong pungent acid odor
4 سال پیش در تاریخ 1399/12/02 منتشر شده است.
17,709 بـار بازدید شده
... بیشتر