Oz. there some possible hazards in removing parts from the pc boards.
Perhaps i am spoiled, owning a computer de-Manufacturing company. I have access to more gold than i could ever refine, nor intend to refine. I dont remove ANYTHING soldered to the PCB except cutting the fingers off of edge cards , selectivly. Even at that, i stay an hour or two once a week after the employees have left and dig around in the gaylord boxes. Most of the PC scrap is "flash Plated" making it not even worth while to look twice at. besides, what we get wholesale for memory, processor chips and mother boards, even as a hobby, i am not convinced in home gold refining on a hobby level is even worth it.
The only pins i mess with are high end milspec pins from DOD scrap we process.
Ryan