A Axlrod2 Well-known member Joined Jul 23, 2011 Messages 51 Apr 18, 2012 #1 What is the easy way to make the testing solution for the testing of gold left or not in the ap?
philddreamer Well-known member Joined Feb 12, 2010 Messages 2,276 Location Lynnwood, WA. Apr 18, 2012 #2 http://goldrefiningforum.com/phpBB3/viewtopic.php?f=49&t=13583&p=136504&hilit=making+stannous#p136510 Phil
http://goldrefiningforum.com/phpBB3/viewtopic.php?f=49&t=13583&p=136504&hilit=making+stannous#p136510 Phil
