Easy Gold From E-Waste part 2: More Gold From Transistors

[@richardhulbert9480]

I was just waiting to say "you're weighing the bag" damn man you took the power away. Now i need a new angle. Great video sir.

[@Hill-13]

Nice job

[@sorcererstan]

I'm surprised it wasn't more, they looked so shiny and goldy. But every little bit helps! Is it possible that the incinerating process lost some of the gold? It would have been interesting to process them without incinerating (even if it meant clipping the lefts off the plastic).

[@Reasonist]

Maybe a second incineration 🤷🏼

[@omegageek64]

Gold can volatilize at high temperatures. I tried to keep the temp down to a dull red heat. That's far below even the melting point of gold. Some may have volatilized, but I doubt it was enough to make a difference. These transistors just had less gold and more base metal in them than the last batch. The power transistors with their heavy copper heat sinks brought the yield per unit mass down, as I suspected they would. The last batch of transistors consisted of thin hollow steel cans. Much lighter. That and their full plating increased the yield.

[@sorcererstan]

@@omegageek64 Makes sense. Can't wait to see the chips processed!

[@samcross1833]

Greeting! I have really enjoyed ALL of your videos. I have a question on how to remove silver plating from aluminum housings. I recently got a large quantity of tuned RF cavity's and all are heavily plated with silver. Any ideas would be great. Thanks tons and keep up the great work!

[@rockman531]

Hi Mike, Another great video! I saw in your mix of transistors that there is a few Mosfat transistors. I dug out my container of Mosfats - 11.8 pounds or 5.36 kilos. Should be at least a gram or 2 of gold?? Right! Looking forward to video #3 with the fancy gold CPU's & IC's! Thumbs up! Stay safe! Jim

[@tammyjeffreywilliam]

I think you maybe should have done a gravity separation after incineration and then a filtration after the nitric before you added Aqua Regia. That black dust has at least some gold in it.

[@keithrodman9318]

Nice. Just a thought, but just to please the people who are looking for perfect accuracy, why not weigh the empty bag after you dump the material into the beaker. That way we, or I mean whoever 🤔, can subtract that from the total to get the actual starting weight. Quick and easy peasey. Like I said, just a thought. Looking forward to seeing the next video on the chips!

[@AT-os6nb]

nube question....how does the nitric loose strength?

[@omegageek64]

It slowly converts to water and NO2 gas. Heat and light accelerate the process. I keep it in brown bottles, but it has been stinking hot in my lab for months now. Summer in Florida.

[@AT-os6nb]

thankyou, i suspected and you confirmed. appreciated. thanks too for the great vids and education

[@front2760]

Informed vid again.Any thoughts on boiling beakers?Was thinking of a 3 LT one or maybe two 2 LT ones.

[@matthewsalyersjr4965]

What year bourd did you get the IC chips from?

[@Alex-kp3hr]

Not bad. So if I managed to scrap 1000g plastic transistors, I could expect (140g) 4.5oz gold at $US 2154/oz = $US 9693.00 ?

[@AT-os6nb]

factored wrong....he had .12g au from less than 100g trans...so x 10 = 1.2 grams per kg or maybe 1.4 as it was 88g I think

[@MoxkyBashwell]

@37:30 i have found gold in electric vape pods.

[@omegageek64]

Yes, I found some in the parking lot at the grocery store and saw the gold in them. Now I just need to figure out how to collect them. I don't vape, and non of my friends/family do.

[@MoxkyBashwell]

you may have lost some, by not filtering the solution initially