Lead free solder , was : REMOVING ENAMEL COATING
"Highland Ham" wrote in message
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exceedingly costly. In the past printed circuit boards were pulverised to
recover the gold on 'contact fingers' through a chemical process , but
apparently that is no longer viable.
We have been seeing signs all over for people buying gold jewelry. This
past weekend my wife knocked some talk out of one of these guys, and they
said they still do recover gold from PCBs, but right now, buying old jewelry
does result in a source of gold for about 1/3 the market price.
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