Sun, HP "scrap" (???)
dkelvey at hotmail.com
Sun Jun 3 10:57:18 CDT 2007
>From: "Joshua Benedetto" <dasbooterror at gmail.com>
>>It seems like you are the person to ask. I did some calculations showing
>>that one would need a large area of PC boards covered with gold to
>>get to an ounce ( w/ typical plating ).
>>About how much gold would you expect to recover in 100 lbs of
>>average PC boards. My guess would put it in the 1/8 of an ounce
>>or less. Surely not enough to pay $500 for a pile of boards.
>Well certainly he is trying to rip you off, why else?
>TBH, you usually dont handle such small amounts of salvage... to
>offset costs we were dealing with 1000lbs or more of scrap. Im not
>sure on the actual gold recovered, I didn't handle the precipitation
>of the gold from solution, i handled the grunt work of smashing up
>chips and stripping boards for the acid bath.
>So if your actually looking to make profit in this field you need to
>deal in scrap by the truckload
That is what I was trying to say. Yes there is gold but 100lbs of boards
is not enough to get excited about, even with mil parts and gold leads.
Each part has a few cents of gold or it couldn't have been manufactures
in the first place.
I though I'd point out that gold leaf is even thinner than what is
typically plated on electronic parts. As I stated most plating is 15 mil
or .000015 inch. Gold leaf is about .0000001 inch.
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