Dexter also markets an in-line system for Teledyne Halco machines. Their equipment is based on the same theory as explained below, but it works as the Halco works. This allows a consistent copper level as opposed to the batch systems where copper builds to a point and then cleaned. [log in to unmask] Bob Mesick <[log in to unmask]> Wrote: | | I saw a message over New Years that I don't have any more | form someone who | wanted to remove copper for a solder bath. | | If you heat the bath to just over the eutectic point, I | believe its 3 or 4 | deg F over, and let it sit, the copper comes to the top as | a copper colored | scum. You can just skim it off. It takes 8-12 hours of | sitting. There is | still copper in the solder but the concentration is low | enough to test OK | and it solders bright again. | | Some of the solder coating services used to buy or make an | extra solderpot | just to hold the dross and old solder at the eutectic | point to purify it. | | Regards, | | Bob Mesick | | Remco Engineering | Industrial Water and Wastewater Treatment Systems | San Luis Obispo, California USA | | ********************************************************** | ***************** | * TechNet mail list is provided as a service by IPC using | SmartList v3.05 * | ********************************************************** | ***************** | * To unsubscribe from this list at any time, send a | message to: * | * [log in to unmask] with <subject: unsubscribe> and | no text. * | ********************************************************** | ***************** | * If you are having a problem with the IPC TechNet forum | please contact * | * Dmitriy Sklyar at 847-509-9700 ext. 311 or email at | [log in to unmask] * | ********************************************************** | ***************** | | *************************************************************************** * TechNet mail list is provided as a service by IPC using SmartList v3.05 * *************************************************************************** * To unsubscribe from this list at any time, send a message to: * * [log in to unmask] with <subject: unsubscribe> and no text. * *************************************************************************** * If you are having a problem with the IPC TechNet forum please contact * * Dmitriy Sklyar at 847-509-9700 ext. 311 or email at [log in to unmask] * ***************************************************************************