Jon Elson wrote:
Robert Swinney wrote:
Good questions, Steve. Let's hope Harold Vardos chimes in here.
Harold used to be in the precious metals reclaimation business.
Harold and some other great guys have a web site for this at
http://www.finishing.com

OOps, wrong site, this is the one :
http://goldrefiningforum.com/phpBB3/index.php

You have to join to see the forum, but it is
really WORTH it!!!

Jon