Gold dissolves into the solder. Then, when you remove the solder you also remove the gold. A simple analogy is like sugar in water. Imagine a cup with sugar stuck to the inside. Fill it with hot water. Sugar dissolves, pour out hot water, sugar goes with it. -----Original Message----- From: TechNet [mailto:[log in to unmask]] On Behalf Of Robert DeQuattro Sent: Thursday, May 09, 2013 8:28 AM To: [log in to unmask] Subject: [TN] Gold Removal Hello Fellow Technetter's, I have a question on J-Std-001E 4.5.1 Gold removal which states a double tinning process or dynamic solder wave may be used. Can any of you describe this process. How is the gold actually removed? Or is it just being tinned? Gold melts at over 1000 C so I am a little confused. Thanks, Bob ______________________________________________________________________ This email has been scanned by the Symantec Email Security.cloud service. For more information please contact helpdesk at x2960 or [log in to unmask] ______________________________________________________________________ ______________________________________________________________________ This email has been scanned by the Symantec Email Security.cloud service. For more information please contact helpdesk at x2960 or [log in to unmask] ______________________________________________________________________