Sorry for not welcoming you in a proper way.
I'll try again
Welcome to us
Here is our forum rules and other important links for your studies:
We ask our new members to do 3 things.
1. Read C.M. Hokes book on refining jewelers scrap, it gives an easy introduction to the most important chemistry regarding refining.
It is free here on the forum:
Screen Readable Copy of Hoke's Book
2. Then read the safety section of the forum:
Safety
3. And then read about "Dealing with waste" in the forum:
Dealing with Waste
Suggested reading:
The Library
https://goldrefiningforum.com/threads/gold-refining-forum-rules.31182/
