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Aristo

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Joined
Jul 14, 2007
Messages
191
Location
USA
Can anyone make an educated estimate as to the recovery of gold plates from CPUs as shown in the attached picture ?. Perhaps an upper and lower range?.
They are from 386s , 486s motorolas and DECs. The bucket contains 22 lbs.

I hope the picture is attached.
 

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badastro said:
7.3 troy oz of pure gold.

That comes to around 215.00 per pound.
Thanks for the insight.
I showed it to a jeweller/refiner and his comment was +20 troy oz.

I presume you have processed these before Astro.
 
I'm going back through these older posts trying to learn as much as I can, then I find this cliff hanger. I can't believe this ended without results. I also can't believe that Steve didn't post his test results. This is going to give me anxiety waiting for an answer. lol.

If you finished this lot and remember what you came up with, would you mind posting them? I'm sure a picture of the finished button ( more likely a bar ) would be out of the question.

Thank you.
 
tek4g63 said:
I'm going back through these older posts trying to learn as much as I can, then I find this cliff hanger. I can't believe this ended without results. I also can't believe that Steve didn't post his test results. This is going to give me anxiety waiting for an answer. lol.

If you finished this lot and remember what you came up with, would you mind posting them? I'm sure a picture of the finished button ( more likely a bar ) would be out of the question.

Thank you.

lol the result arent here
but steve did come with a 2% yield if i remember correctly
someone come to a 6% result last month
the oz lbs come from some who has processed them new with all the au/sn solder...
 
Here's the thread where I processed a sample of the lids:

486 CPU Lid Yields

All lids and brazes vary from package to package. Your best bet is to process some yourself and see what you are able to get using your methods.

Steve
 

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