P-II - 266,350,400 MHz
- Thread starter samuel-a
- Start date
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LeftyTheBandit
Well-known member
#1 remove the gold fingers. This is were the majority of your gold will be recovered with extreme ease. It is better to separate your high yield gold from low yield gold.
#2 DE-populate the cards from the fiber board.
#3 Pulverize the components into dust or small pieces to liberate metals from within the cores of the components. (This will allow acid treatment to make contact with exposed metal.)
#4 roast to red heat but do not melt.
#5 Use a magnet in a plastic bag to remove iron from the roasted dust.
#6 Treat the non magnetic dust with an Acid Peroxide soak. This should remove the copper. Lots of agitation needed.
#7 Filter, Rinse w/water, filter, rinse with water until no green tint to rinse water.
#8 Use HydroChloric acid and bleach on filtered media. (solution should be yellow)
#9 Filer/rinse w/water
#10 take yellow solution and add SMB (sodium meta bisulfite) .... brown to black precipitate will fall. The lighter brown the higher grade.
#11 dry precipitate then melt it.
#12 have the ingot tested for purity.
#13 sell ingot on Ebay at the purity indicated by testing.
#14 Realize that trying to get anything close to fine gold from pcb''s is most likely not financially viable at a small scale.
#15 Treat the gold fingers as per LazerSteves video, this will be possible to obtain fine gold and be profitable.
#2 DE-populate the cards from the fiber board.
#3 Pulverize the components into dust or small pieces to liberate metals from within the cores of the components. (This will allow acid treatment to make contact with exposed metal.)
#4 roast to red heat but do not melt.
#5 Use a magnet in a plastic bag to remove iron from the roasted dust.
#6 Treat the non magnetic dust with an Acid Peroxide soak. This should remove the copper. Lots of agitation needed.
#7 Filter, Rinse w/water, filter, rinse with water until no green tint to rinse water.
#8 Use HydroChloric acid and bleach on filtered media. (solution should be yellow)
#9 Filer/rinse w/water
#10 take yellow solution and add SMB (sodium meta bisulfite) .... brown to black precipitate will fall. The lighter brown the higher grade.
#11 dry precipitate then melt it.
#12 have the ingot tested for purity.
#13 sell ingot on Ebay at the purity indicated by testing.
#14 Realize that trying to get anything close to fine gold from pcb''s is most likely not financially viable at a small scale.
#15 Treat the gold fingers as per LazerSteves video, this will be possible to obtain fine gold and be profitable.
patnor1011
Well-known member
I would separate monolithic from boards. To be honest I am saving IC (black rect chips), main chip, monolithics and fingers. I am not attempting to extract anything from board itself as it is easier to sell them than to process.
samuel-a
Well-known member
- Joined
- Oct 7, 2009
- Messages
- 2,190
Thank you guys...
to be specific , i ment only the prossesors...
but it seems to be that both the prossesors and the pcb isn't worthwhile dealing with....
i'll tray to grinde up and experiment a bit on some of this 266's that i have....
to be specific , i ment only the prossesors...
but it seems to be that both the prossesors and the pcb isn't worthwhile dealing with....
i'll tray to grinde up and experiment a bit on some of this 266's that i have....
A
Anonymous
Guest
You could sell them on ebay or another site, seems that always pays the most.
How many do you have? loads is kind of a open ended amount.
May be able to find a buyer here also, although I dont think you will get the over inflated ebay price, but you wont have to pay ebay and paypal fees either.
Jim
How many do you have? loads is kind of a open ended amount.
May be able to find a buyer here also, although I dont think you will get the over inflated ebay price, but you wont have to pay ebay and paypal fees either.
Jim
