Скачать с ютуб Precious metal mining, complete tutorial for beginners в хорошем качестве

Precious metal mining, complete tutorial for beginners

* An important point that I forgot in this video is that the presence of sulfur even at a very low percentage causes a significant amount of gold and silver to remain in solution. But in this experiment, I just wanted to show the results and did not consider the presence of a small amount of sulfur. Also, the presence of a large amount of lead in mineral soil can interfere with the extraction of gold and silver * Friends, this video shows metal mining from zero to hundred with important explanations and is made for beginners. If you pay attention to the good explanations, you will definitely find many questions and you can also comment your questions. The list of chemicals used in the Telegram group is available to you. By joining the Telegram group, you can easily share the video and photo of your mineral sample with other friends for review. You can be from all over the world and there is no limit. In addition, you can buy or sell minerals. Group membership is currently free , but will later include a monthly subscription fee. Friends, thank you for liking Telegram group : 👇 https://t.me/goldenideastron #goldstone#gold#golden#silver #GoldSulfate #Pyrite