20:17

Metal Refining & Recovery, Episode 23: Recovering Inquart Silver

16:43

Building A Mercury Still

21:32

Metal Refining & Recovery, Episode 24: Re-Refining Gold Using Bromine

1:33:53

Gold Mining, Gold Milling, & Gold Refining: The Full Process

38:04

Making ferrofluid from scratch

17:13

Gold Smelting, Is It Worth It??

16:35

Metal Refining & Recovery, Episode 22: 15,500$ in Gold?

31:47

Dissolving $1000 of Platinum to Make $6000 of Chloroplatinic Acid for Professional Use