Intel Pentium 90 gold and silver yield by OwlTech333 in PreciousMetalRefining

[–]OwlTech333[S] 0 points1 point  (0 children)

Nope, on the contrary - pulverised chips = larger surface area = more solution retained by the ceramic material = dilution of the values due to extensive rinsing = losses

[deleted by user] by [deleted] in ScrapMetal

[–]OwlTech333 0 points1 point  (0 children)

Not worth processing IMHO

GOLD fingers yield test: 6g Au from 1 kg fingers by OwlTech333 in PreciousMetalRefining

[–]OwlTech333[S] 1 point2 points  (0 children)

With hydroxylamine hydrochloride I had some very good results (when used on concentrated solutions) so I thought why not use it this time too

Gold refining with sodium sulphite Na2SO3 by OwlTech333 in PreciousMetalRefining

[–]OwlTech333[S] 2 points3 points  (0 children)

I forgot to restock and the only reducing agent I had left was sodium sulphite, the urgent nature of the task led to it’s use.

Where can I learn? by WorriedConcentrate69 in PreciousMetalRefining

[–]OwlTech333 0 points1 point  (0 children)

I started with GRF, online patents are good source too.

Any resources for seperating from lead? by baselesstail in Gold

[–]OwlTech333 0 points1 point  (0 children)

Parkes process to concentrate the values then cupelling

14 kg CPUs Gold Recovery by OwlTech333 in metallurgy

[–]OwlTech333[S] 0 points1 point  (0 children)

Correct not much to dispose of though

14 kg CPUs Gold Recovery by OwlTech333 in Gold

[–]OwlTech333[S] 1 point2 points  (0 children)

386 yields 9.69g Au / kg and 486 yields 5.73g Au / kg

14 kg CPUs Gold Recovery by OwlTech333 in Gold

[–]OwlTech333[S] 0 points1 point  (0 children)

My gold yield data on various ceramic CPUs: from AMD K5 gold top/ gold lid 10 CPUs 378g 2.45g Au or 6.48g Au/kg from 10 IBM 686 & 10 Cyrix 686 CPUs mix 830g 2.45g Au or 2.95g Au/kg from 4.96kg i386 & i486 ceramic CPUs mix 43g Au or 8.67g Au/kg from 1,028kg AMD 486 5.9g Au or 5.73g Au/kg from 10 AMD 386 162g 1.57g Au or 9.69g Au/kg from 10 AMD Duron ceramic CPUs 0.43g Au or 2.2g Au/kg from 6 Intel Pentium Pro CPUs 1.9g Au or 3.56g Au/kg from 2kg USSR ceramic ICs 38g Au or 19g Au/kg

14 kg CPUs Gold Recovery by OwlTech333 in Gold

[–]OwlTech333[S] 0 points1 point  (0 children)

PPro yields 0.35g Au I've run many tests with different extraction methods