cementing

Anybody with experience or thorough testing of various precipitating agents that could help me determine best gold precipitation methods or agents? I have heard SMB is very good, but I've also heard about various other such as FeSO4, Na2S, Ascorbic acid, Zinc, SO2 gas, Activated Carbon. These...

Hi Forum, Introductions first as this is my first post. I live in Ontario Canada. I collected old servers and computers for 7 years and spent days stripping them down. I ended up with about 3 lbs of mixed low-grade pins and 3 lbs of trimmed fingers. With the help of this forum and Streetips...