Full Proses Pemurnian Emas Perak dari 200 Gram Limbah PCB HP

In this video, I tried to video the full process of refining gold and silver from cellphone PCB mixed with 200 grams of RAM connector leg PCB or computer memory and then I weighed the sediment from the deposition of sodium metabisulfite or SMB which is pure gold deposits. I hope this video can help friends who have hobbies like me and also other friends who are interested in processing electronic waste. To my friends, I ask for their help to support this channel by clicking subscribe, like or please comment if you have questions. I say a lot of thanks to the friends who have subscribed. Hopefully you will be given health and ease of sustenance, amiiin ...