Yess! Computer scrap again!! Nice little gold bead. Would love to see more of this content coming next 🙌🏻 i learned the hard way not to throw them straight into the aqua regia but it would be a great experiment for another video
It’s very addictive when you first start doing this… when the gold colored water turns brown from precipitation of gold, that’s one of the coolest parts and you know you’re doing it right!
I love the longer videos like this occasionally. It's nice to see the whole process in one sitting. Thank you talking us through what you do. It is greatly appreciated.
I always love Sreetips and the sweet asmr vocabulary trigger words: Beaker Precipitate Nitric (acid) Gold (foils as well in this case) Solution Dilute Distilled Heat Melt dish Pour I know i missed some lol. Those are always just some of my personal favorites.
Hello friend, the RAM or graphics card cinguers are 100% lacquered. Entering the test slot eliminates only the contact area. * The most correct method is with caustic soda, it only destroys the lacquer and the copper comes off with the clean gold, the PCB remains colorless. * In principle, the gold of cards is a hard alloy of industrial carat 20kt and some have triple layers finished in 22 or 23kt, this always in graphics. * attention, the carats described are similar to jewelry but these are industrial and therefore toxic, follow the steps of this channel to always have clean and non-toxic gold With this general method, it is best to first remove the lacquer adhesive, which only takes minutes to separate the metals from the fiberglass and process them later. I process caustic soda with this method and it is much faster since only the washing and direct to the aqua regia
Wonderful video Sreetips! It never gets old. I love how you never let anything go to waste. At the end of the video, using the dilute H2SO4 you used to clean off the gold button to keep your sink plumbing clear. No need to buy Draino. 😆
I focus on this exact process and have learned a TON from this channel. I forgot though that the gold isn't pure when on the fiber card, so no wonder why my yields were smaller than I expected!
Hey sree, I watch another channel that scraps metals. Might be worth it to connect to Mike the scavenger maybe work something out to get a channel interaction. Could boost your channel views. It’s like both sides of the industry connecting. Would be cool to see some of his electronics scrap come through your video to the processing side of recycling the precious metals. Really enjoy your content brother. You are very skilled with what you are doing. I think a lot of people gain tons of needed insights that are lost these days. Hope all is well. God bless.
At round 18:40 when you start pouring the solution into the filter and said "valuable Liquid" I swear the background noise started sounding like a drum roll!! 😁
Happy to see you doing an ewaste video! I’m just about to finish up 30+ lbs of fingers, about 160 grams of foils. Couple thoughts… 1. Would have been nice to see you show people how to denox solutions using sulfamic acid! That 1 lb of SMB isn’t cheap where I’m at! 2. The average yield for fingers is 1.8 g/lb, which is right in line with your results! Love watching your videos when I’m not out doing it myself, you should try and source some gold cap ceramic ICs to do on the channel. They contain farrrrrr more gold per pound than fingers do and are fun to process! Thank you for the video, look forward to the next installment!
if this batch was only 2 pounds, you get to run this process about 6 more times to do all 15 pounds :p you got way better at processing these circuitboards, i remember the first try you had it bubbling outside for like 9 days. looking forward to the next vid as always ^^
Wow that little bead on Ebay is WAY over spot price on gold per gm rn on the market. That is insane how many bids it has tbh and how many folks are willing to pay an 80-100 $ premium. Good job lol xD.
For such a thin gold foils you can use "Gold leaching method". You may use chinese reagent "Jin Chan" in combination with Ferricyanide (K₃[Fe(CN)₆]) to wash off the gold.
Awesome proces mr Sreetips...that 3.7 grams gold is super cool man! Keep it UP mr sreetips your chanel is geat man 🎉😂i love the science cause i a scientist to haha algebra mathmatics physics are great !👍🇳🇱
When I did a batch of fingers, after rinsing, I put all the pieces of board into a plastic tub and scrubbed off every last speck of gold from every tiny piece of board... I'm kinda obsessive-compulsive like that. ;D I just hate having to wash the board pieces over and over to recover all the gold chloride bound up in the fiber board. Creates a lot of waste solution.
That's a lot of fingers. On one hand I like the idea of recycling but at least some of those original devices could have been godsent for retro enthusiasts and collectors.
They were already pre clipped and bulk scraped.. can't sell them on a slow retro but type situation without holding a ton of random inventory. No profit.
I do computer scrapping, but I also keep an eye out for items retro folks are looking for. As long as the components work, I always try to sell them first. If they don’t sell then I’ll scrap them.
Most of those fingers look like PCI connectors, from that i would hope any voodoo chips with corresponding memory would be saved, and maybe Yamaha OPL2 or OPL3 chips. thought those were pretty rare on PCI cards. Nobody cares for S3 Virge cards or the like.
Awesome vidography in this episode brother. Have you hired a camera man. Nice to see another method with a different result. Great show brother looking forward to the final results
I actually think it was not a good idea. The glass fiber material is porous. Some gold solution may stick in the pores, necessitating a lot of rinsing to recover it. Also, some AR-soluble substances may have gone into the gold solution, making it dirtier and harder to refine. I'd first remove fingers, then go AR. Or even melt and inquart the gold foils, making the whole refining process faster and more efficient.
@@sreetips I don't nearly have as much experience as you do. Sorry if I was wrong. But speaking of separation of Platinum and Palladium: I recently viewed another refiner's video where he successfully gets the Platinum by first adding Ammonium Chloride to his salt mixture. After collecting the Platinum salt percipitate, he proceeds to precipitate Palladium with DMG. Maybe it will be useful. Thank you very much for sharing your refining and chemistry experience with us!
Cool experiment to try: iron nitrate (either +2 or +3 oxidation states) in solution decomposes into iron oxide (black solid) and NO2 gas or nitric acid (depending upon the oxidation state of the iron) when heated over 90C (basically heat to a light simmer). The NO2 or nitric acid vapor is easily distilled back into usable dilute nitric acid!
I love watching these videos such interesting time we live in where recycling can profit or bring different forms of value.I’m excited for the next years of innovation and recycling.
I appreciate for someone who would normally use Freedom Units in their daily life that you use metric measurements in your videos. Us metric natives generally call milliliters, "mills" though.
Gold fingers are one of the few e-scrap parts you can dump into nitric and not end up with horrid metastannic acid (a tin complex), which is 'grey goo' that's god-awful to separate out. For most parts, a long soak (about a week in warm conditions) in HCl with some copper chloride mixed in gets rid of the base metals. Even plated pins will give you grey goo, because the soldered end ALWAYS has a lot of tin, and often the core of the pins is tin-containing brass, which created HUGE amounts of goo in nitric acid.
I don't have an ultrasonic cleaner. I was going to soak the stuff in vinegar and water overnight. Then hit it with a torch. Then after I add my cleaned material to the beaker, I want to put some distilled water in there, and add the nitric slowly? Anything that sticks to a magnet, take it out. But, if it just slightly pulls a little bit, that's ok? As long as you don't have to much of it? Disclaimer, if I get sick or die, my family will reward you. Not sue you. No worries, man! I've got a full body suit. Respirator with organic vapor cartridges (and I still have no intent on breathing while near the Nitric 〽️), goggles and gloves. And 5lbs of sodium bicarbonate to neutralize the Nitric acid in the case of any mishaps, or I can't detour some asshole from going near it. 1 pound of baking soda for every 100ml's of Nitric. Then when I'm done I was going to put the full body suit in a plastic bag. Cover the contents with baking soda. Wrap it up 3-4x and dump it in the trash. By putting the sodium bicarbonate in there, it will make it safe for trash handlers to handle it.
I've had a testing kit in here for 5 years. I've replaced it a couple of times. But, I do have some experience with nitric and hydrochloric acids. I do have blurred vision already from using it in my car.
I wonder if incinerating the pcb would work? It seems like it should be possible to incinerate it, then dissolve the remains in nitric, leaving behind mostly just the gold??
@@sreetips Ok gotcha. I guess you've already tried that then :) The method you used of going straight to aqua regia without removing the pcb material seems to have worked really well anyway.
I enjoy watching the recovery process. I am interested to see what the cost of the process is compared to what you extract from the boards. Thanks for the great shows
Would it be possible to cook the goldfingers first in boiling water, then after cooling put them into an ultrasonic bath, and afterwards collect the peeled-off gold films for further processing ? It could save a lot of chemicals.
I remember a video you did on computer scrap years ago. You deduced at that time it wasn't worth the cost. Those 17 lb of scrap should get you about 1 troy ounce. I expect you spent much less than $2000.
when it comes to precious metal recovery and refining your channel is the one I truly trust, so I'm going to ask you if you could do a 2024 test to see if you can still get platinum group metals from mlcc I ask this as a big favour as I know you hate doing computer scrap please
Back of the napkin math says you should get 1 troy ounce that entire box if you processed all together. I wonder if the seller knew that and thats why they sell in batches of 17 pounds?
Always wondered the fineness of the gold foils. If they are really around 50% or 12k thats good enough for me to skip the refining part. I always wanted to just recover the foils then melt them because in my country the nitric acid is so expensive the cost of using it out weighs the value of the yield. But if the foils are around 12k, I could melt them into a bar and still get decent money for it without refining. Like your original video from years ago where you bubbled them off in HCL for 3 weeks, that will be the method I will need to adopt. Wish I could use nitric as its so much faster!
It would be interesting to use this refining as a control to compare to a bunch of other methods. You said you are going to try dissolving the gold immediately without clearing out the base metals first, but you could also try incinerating all the material, or using the bubbling method, or anything, and, if you use 2 lbs each time, you have a good result to compare it to.
i know you've had issues with the fumes eating up the blower in the fume hood. but where on your house does it ventilate to? do you have a pvc pipe that goes up high so the fumes dont eat up the side of your house or roof?
Oh no those terrible Scott paper towels. They're like half the price of Bounty but you end up using twice as much for everything so you don't even save money. I'm sticking to Publix brand. Indistinguishable from Bounty and cheaper.
Mr. Sreetips, there is another method easier to release the gold foils of the fibreboard by using the heat gun, I wish you’d try it once, your channel is my favourite one ever
I need to do something soon with all of the computer cards, memory , motherboards & chips I have saved up over the years . I'm interested in what it will be like going straight to the aqua regia .
I would think if this was your main source of gold, you could do a two step process. Do the primary with nitric/AR and jave a secondary AP bucket to nibble off the residual over time
all my old waste material if it has values left i put in a slow leach pot which has 2 litres of HCL and about 8 table spoons of sodium nitrate. I leave if for a month and keep swapping it out with other materials until i get some good values to chase and recover.
Have you ever considered precipitating gold with stanous solution? And why not use normal (table)salt instead of borax during melting, which is less expensive and less toxic? Nice result by the way :)
Hey Chief, I've got an idea - it may be stupid, and if it is just let me know. Jason over at MBMMLLC has done experiments where he runs whole computer boards through his hammer mill and recovers all the metal on his shaker table. It's mostly copper, with lead and tin solder - but there's a surprising amount of gold and silver in there. He's asked for a cost effective method of getting the precious metals out. What would happen if he melted all the metal into a bar and use that copper alloy bar to cement out metals in a stock pot? Shouldn't the base metals go into solution and the precious metals drop out in the mud at the bottom of the stock pot?
Couldn't you put these in a 5 gallon bucket with the delute nitric acid and let them soak ahead of time to remove the metals, Or does it require heat to get the metals removed?
Hey sreetips! Longtime viewer. Why don't you add superchat to your vids? Is it too much of a hassle? If so, I can understand it! But if you do add it in later on. I'd be glad to help out. Keep making cool videos please
Yess! Computer scrap again!! Nice little gold bead. Would love to see more of this content coming next 🙌🏻 i learned the hard way not to throw them straight into the aqua regia but it would be a great experiment for another video
I've always loved the sight of wet brown gold powder flashing over while drying. Looks like success
It’s very addictive when you first start doing this… when the gold colored water turns brown from precipitation of gold, that’s one of the coolest parts and you know you’re doing it right!
I love the longer videos like this occasionally. It's nice to see the whole process in one sitting.
Thank you talking us through what you do. It is greatly appreciated.
Love what u do with gold and silver, best channel on CZcams. Fantastic work 👏 👍
Thank you!
Yahoo!! Computer scraps. I love these process videos 🙌🏻 Hope you’re having a wonderful week, Sreetips
Thank you
Thank you Senior Chief! I have wondered about this for quite awhile. The best I have ever done from trimmed fingers was 1.5 grams per pound. Bravo!
thanks for another great video Mr Sreetips. I’m a chemist and I love watching your videos.
Thank you!
What about just burning a batch and refining from that? 🔥🔥
The fiber board does not burn down to ash very well. Doing it like I did in the video is the easier, softer way.
I love these videos and I really love that Sreetips patiently interacts with the commenters here!
Cheers
I always love Sreetips and the sweet asmr vocabulary trigger words:
Beaker
Precipitate
Nitric (acid)
Gold (foils as well in this case)
Solution
Dilute
Distilled
Heat
Melt dish
Pour
I know i missed some lol. Those are always just some of my personal favorites.
*Filter paper
*Sterling
*Silver crystal
*Aqua regia
The world just seems right when I hear these classics.
Hello friend, the RAM or graphics card cinguers are 100% lacquered. Entering the test slot eliminates only the contact area.
* The most correct method is with caustic soda, it only destroys the lacquer and the copper comes off with the clean gold, the PCB remains colorless.
* In principle, the gold of cards is a hard alloy of industrial carat 20kt and some have triple layers finished in 22 or 23kt, this always in graphics.
* attention, the carats described are similar to jewelry but these are industrial and therefore toxic, follow the steps of this channel to always have clean and non-toxic gold
With this general method, it is best to first remove the lacquer adhesive, which only takes minutes to separate the metals from the fiberglass and process them later. I process caustic soda with this method and it is much faster since only the washing and direct to the aqua regia
Wonderful video Sreetips! It never gets old. I love how you never let anything go to waste. At the end of the video, using the dilute H2SO4 you used to clean off the gold button to keep your sink plumbing clear. No need to buy Draino. 😆
Gooooood evening from central Florida! Hope everyone has a great night!
Polk County here!
Goooood evening!
@@TheFullmetalwhite Howdy neighbor👋... tell Sheriff Grady hey.
@@TheFullmetalwhite Pasco... Dade city
lol here @@DavidDavis-fishing
*sreetips* Bravo well done, thank-you sir for taking the time to bring us along. GOD Bless.
I think this may indeed be a valuable channel
Love watching you work! Thanks
The fact that you use all of this scientific equipment and *Corningware* to refine gold makes me happy. I have the cornflower blue pattern, btw 😁
I focus on this exact process and have learned a TON from this channel. I forgot though that the gold isn't pure when on the fiber card, so no wonder why my yields were smaller than I expected!
Hey sree, I watch another channel that scraps metals. Might be worth it to connect to Mike the scavenger maybe work something out to get a channel interaction. Could boost your channel views. It’s like both sides of the industry connecting. Would be cool to see some of his electronics scrap come through your video to the processing side of recycling the precious metals. Really enjoy your content brother. You are very skilled with what you are doing. I think a lot of people gain tons of needed insights that are lost these days. Hope all is well. God bless.
At round 18:40 when you start pouring the solution into the filter and said "valuable Liquid" I swear the background noise started sounding like a drum roll!! 😁
I heard that too. I thought he did it on porpoise. I was waiting for the penny to drop, but alas.
And just love when the bar is pourd the way the gold look just amazing
You are welcome. A nice recovery, well worth the time and effort for both you and the fortunate viewers. Thank you Sir!👍👍🤟
Man just love watching these videos so much to learn here
Happy to see you doing an ewaste video! I’m just about to finish up 30+ lbs of fingers, about 160 grams of foils.
Couple thoughts…
1. Would have been nice to see you show people how to denox solutions using sulfamic acid! That 1 lb of SMB isn’t cheap where I’m at!
2. The average yield for fingers is 1.8 g/lb, which is right in line with your results!
Love watching your videos when I’m not out doing it myself, you should try and source some gold cap ceramic ICs to do on the channel. They contain farrrrrr more gold per pound than fingers do and are fun to process!
Thank you for the video, look forward to the next installment!
you perfected teh method of extraction so much , now you create less waste , congrats :)
41 minutes, Sreetips bros are eating good
Good evening from SC really wish my AP chemistry teacher did this would have enjoyed a lot more
Would you be willing to give classes lol
Nice looking forward to seeing how well the aqua rega works for 1 step
if this batch was only 2 pounds, you get to run this process about 6 more times to do all 15 pounds :p you got way better at processing these circuitboards, i remember the first try you had it bubbling outside for like 9 days. looking forward to the next vid as always ^^
Wow that little bead on Ebay is WAY over spot price on gold per gm rn on the market. That is insane how many bids it has tbh and how many folks are willing to pay an 80-100 $ premium. Good job lol xD.
@@drcurioustube Who said it's "just gold" beside you?
I was simply congratulating the guy for making more off the thing than it's worth. ;)
Excellent Chemistry Sreetips 🏴☠️ Thanks for sharing with us 🙏 God Bless
For such a thin gold foils you can use "Gold leaching method". You may use chinese reagent "Jin Chan" in combination with Ferricyanide (K₃[Fe(CN)₆]) to wash off the gold.
You make it look so easy.
A beautiful button, with 15 Lbs of computer scrap there’ll be lots of great videos to come. 👍🏻
That was very easy to watch. Good result too.
If we could just flood Fort Knox with aqua regia and collect the runoff. Ah, dreams! Great video!!!
So glad you've never accidentally dropped your hydrochloric acid bottle while trying to show it off lol
Me too
Awesome proces mr Sreetips...that 3.7 grams gold is super cool man! Keep it UP mr sreetips your chanel is geat man 🎉😂i love the science cause i a scientist to haha algebra mathmatics physics are great !👍🇳🇱
Love it. Thanks Chief!
When I did a batch of fingers, after rinsing, I put all the pieces of board into a plastic tub and scrubbed off every last speck of gold from every tiny piece of board... I'm kinda obsessive-compulsive like that. ;D
I just hate having to wash the board pieces over and over to recover all the gold chloride bound up in the fiber board. Creates a lot of waste solution.
That's a lot of fingers. On one hand I like the idea of recycling but at least some of those original devices could have been godsent for retro enthusiasts and collectors.
At least some recyclers are conscientious about blowing off proprietary chips from those boards
They were already pre clipped and bulk scraped.. can't sell them on a slow retro but type situation without holding a ton of random inventory.
No profit.
I couldn’t believe my luck when I found them listed. That’s enough to make lots of videos using different methods.
I do computer scrapping, but I also keep an eye out for items retro folks are looking for. As long as the components work, I always try to sell them first. If they don’t sell then I’ll scrap them.
Most of those fingers look like PCI connectors, from that i would hope any voodoo chips with corresponding memory would be saved, and maybe Yamaha OPL2 or OPL3 chips. thought those were pretty rare on PCI cards. Nobody cares for S3 Virge cards or the like.
Awesome vidography in this episode brother. Have you hired a camera man. Nice to see another method with a different result. Great show brother looking forward to the final results
Very nice sir very enjoyable thank you for sharing this with us six stars
Super valuable info sreetips amazing 👏
That 10K ML beaker must have raised some eyebrows when you ordered it! 😂
Doing aqua regia while the fingers were still present was pretty effective
I actually think it was not a good idea. The glass fiber material is porous. Some gold solution may stick in the pores, necessitating a lot of rinsing to recover it. Also, some AR-soluble substances may have gone into the gold solution, making it dirtier and harder to refine. I'd first remove fingers, then go AR. Or even melt and inquart the gold foils, making the whole refining process faster and more efficient.
Sounds like you’ve done this before.
@@sreetips I don't nearly have as much experience as you do. Sorry if I was wrong. But speaking of separation of Platinum and Palladium: I recently viewed another refiner's video where he successfully gets the Platinum by first adding Ammonium Chloride to his salt mixture. After collecting the Platinum salt percipitate, he proceeds to precipitate Palladium with DMG. Maybe it will be useful. Thank you very much for sharing your refining and chemistry experience with us!
Cool experiment to try: iron nitrate (either +2 or +3 oxidation states) in solution decomposes into iron oxide (black solid) and NO2 gas or nitric acid (depending upon the oxidation state of the iron) when heated over 90C (basically heat to a light simmer).
The NO2 or nitric acid vapor is easily distilled back into usable dilute nitric acid!
I love watching these videos such interesting time we live in where recycling can profit or bring different forms of value.I’m excited for the next years of innovation and recycling.
I appreciate for someone who would normally use Freedom Units in their daily life that you use metric measurements in your videos. Us metric natives generally call milliliters, "mills" though.
so cool watching the time lapses...
that is a big ass beaker...mother of gosh
Dang that bead sure was bright! 😃
Gold fingers are one of the few e-scrap parts you can dump into nitric and not end up with horrid metastannic acid (a tin complex), which is 'grey goo' that's god-awful to separate out.
For most parts, a long soak (about a week in warm conditions) in HCl with some copper chloride mixed in gets rid of the base metals.
Even plated pins will give you grey goo, because the soldered end ALWAYS has a lot of tin, and often the core of the pins is tin-containing brass, which created HUGE amounts of goo in nitric acid.
That was fun.
Thank you Sir
I really enjoy your videos I wish I could get you to refine some of my stuff
Meus parabéns pelo seu trabalho e esforço em passar para nós seu conhecimento, espero ver mais ,até mais caro amigo e obrigado ....um grande abraço.
Thank you
Good job love what you do ❤
Fun to see something a bit different. :)
Awesome video nice gold button thanks for sharing sreetips
I don't have an ultrasonic cleaner. I was going to soak the stuff in vinegar and water overnight. Then hit it with a torch.
Then after I add my cleaned material to the beaker, I want to put some distilled water in there, and add the nitric slowly?
Anything that sticks to a magnet, take it out. But, if it just slightly pulls a little bit, that's ok? As long as you don't have to much of it?
Disclaimer, if I get sick or die, my family will reward you. Not sue you. No worries, man!
I've got a full body suit. Respirator with organic vapor cartridges (and I still have no intent on breathing while near the Nitric 〽️), goggles and gloves. And 5lbs of sodium bicarbonate to neutralize the Nitric acid in the case of any mishaps, or I can't detour some asshole from going near it. 1 pound of baking soda for every 100ml's of Nitric.
Then when I'm done I was going to put the full body suit in a plastic bag. Cover the contents with baking soda. Wrap it up 3-4x and dump it in the trash. By putting the sodium bicarbonate in there, it will make it safe for trash handlers to handle it.
I've had a testing kit in here for 5 years. I've replaced it a couple of times. But, I do have some experience with nitric and hydrochloric acids. I do have blurred vision already from using it in my car.
...I'll be extremely careful and cautious
I wonder if incinerating the pcb would work? It seems like it should be possible to incinerate it, then dissolve the remains in nitric, leaving behind mostly just the gold??
It doesn’t burn well
@@sreetips Ok gotcha. I guess you've already tried that then :) The method you used of going straight to aqua regia without removing the pcb material seems to have worked really well anyway.
@@sreetips Most PCBs have a fire retardant (mostly bromine) in them. But I wonder about how it would hold up in a piraña solution.
@@apveening this guy knows what’s up
0:21
“I ordered some computer scrap”
[opens box]
…it’s a water pump for a 2012 Chevy Traverse. 🤔😂
That would have been just awful. 😂
ffs it's a 42 min video and at the 32:00 mark I'm on my FOURTH EFFING AD.
37:00 fifth ad, that's it, I'm done punching out.
You could simply install an adblocker like ublock origin. Or if you're on mobile Brave browser.
I was wondering about ad placement. Thanks for the feedback.
Damn...close to being first
People are fast to watch your videos
Cheers Brother
First to Bid though lol
Thank you!
That's the greenest Gold Brew I've ever seen 🐉
King Midas does it again ~ ! ! ! Great Video !
Very nice turnout from that scrap sreetips 👍
I would like to see you try the process of using tincture of iodine to remove the gold foils.
Awesome video thank you 😊
Good job
YES! I love these!
I enjoy watching the recovery process.
I am interested to see what the cost of the process is compared to what you extract from the boards.
Thanks for the great shows
Not counting the scrap, I’d estimate about fifty bucks.
that's a nice chunk man
Would it be possible to cook the goldfingers first in boiling water, then after cooling put them into an ultrasonic bath, and afterwards collect the peeled-off gold films for further processing ? It could save a lot of chemicals.
I don’t think boiling water will do it.
Are ever going to Write a book on refining that would be great 👍
I remember a video you did on computer scrap years ago. You deduced at that time it wasn't worth the cost.
Those 17 lb of scrap should get you about 1 troy ounce. I expect you spent much less than $2000.
No, he's in for $2400 including taxes for the 17 LBS. Cheers
when it comes to precious metal recovery and refining your channel is the one I truly trust, so I'm going to ask you if you could do a 2024 test to see if you can still get platinum group metals from mlcc I ask this as a big favour as I know you hate doing computer scrap please
I bought some mlcc material several years ago. I’ll give it a shot one day.
@sreetips ohhhhh thank you the only reason I ask is because I have about roughly 5 large mason jars filled to the top withheld mlcc's
great video!
A disappointment in you voice wheb you realize too much Nitric was NOOOOOOOO!😢😡 BUT at the end your GORGEOUS GOLD BUTTON! 🫨😮😯😲🤯🥳! 💖 from Minnesota 😎
Back of the napkin math says you should get 1 troy ounce that entire box if you processed all together.
I wonder if the seller knew that and thats why they sell in batches of 17 pounds?
Always wondered the fineness of the gold foils. If they are really around 50% or 12k thats good enough for me to skip the refining part. I always wanted to just recover the foils then melt them because in my country the nitric acid is so expensive the cost of using it out weighs the value of the yield. But if the foils are around 12k, I could melt them into a bar and still get decent money for it without refining.
Like your original video from years ago where you bubbled them off in HCL for 3 weeks, that will be the method I will need to adopt. Wish I could use nitric as its so much faster!
It would be interesting to use this refining as a control to compare to a bunch of other methods. You said you are going to try dissolving the gold immediately without clearing out the base metals first, but you could also try incinerating all the material, or using the bubbling method, or anything, and, if you use 2 lbs each time, you have a good result to compare it to.
That’s my plan
I'M looking. To the reverse electrolysis method. Which will be AWSOME for countris where its hard to get Nitric Acid. @@sreetips
i know you've had issues with the fumes eating up the blower in the fume hood. but where on your house does it ventilate to? do you have a pvc pipe that goes up high so the fumes dont eat up the side of your house or roof?
Yes
Oh no those terrible Scott paper towels. They're like half the price of Bounty but you end up using twice as much for everything so you don't even save money. I'm sticking to Publix brand. Indistinguishable from Bounty and cheaper.
Mr. Sreetips, there is another method easier to release the gold foils of the fibreboard by using the heat gun, I wish you’d try it once, your channel is my favourite one ever
I’ve sat and went through an entire batch scraping the foils off one finger at a time. I’d rather let the chemicals do all that work.
I need to do something soon with all of the computer cards, memory , motherboards & chips I have saved up over the years . I'm interested in what it will be like going straight to the aqua regia .
Very very nice work
Thank you!
hi sreetips. great video. when removing the foils, you don't think there is any silver being dissolved with the copper and other hunk metals?
No, I checked for silver and there is none.
vibration table -- the friction between the card clips will knock a lot more loose...
Very great video.
Please how many grams of fingers chips did you process to obtain the 3.7grams of gold if I may ask
@euphrem6514 two pounds is 453.5g per pound. So 453.5g x 2 = 907g of fingers yielded 3.7 grams of pure gold.
I'm wondering if you could speed up the base metal solving process by using ultrasonic (combined with heat).
I would think if this was your main source of gold, you could do a two step process. Do the primary with nitric/AR and jave a secondary AP bucket to nibble off the residual over time
all my old waste material if it has values left i put in a slow leach pot which has 2 litres of HCL and about 8 table spoons of sodium nitrate. I leave if for a month and keep swapping it out with other materials until i get some good values to chase and recover.
Good plan
Have you ever considered precipitating gold with stanous solution? And why not use normal (table)salt instead of borax during melting, which is less expensive and less toxic? Nice result by the way :)
I’ve never used stannous to precipitate. Borax is the way I learned it from some pro refiners.
is there a smell when you are refining or does the fume hood get it out? and if it does smell does it smell like old coins?
No smell. The fume hood draws everything away and up the stack.
A small mill could turn all of that into powder and then you could just pan the heavy's with a bucket.
🤔 instead why not incorporate it in aqua regia then filter out the trash afterwards
@@MrZodiacify that also works. But you could buy the grinder mill with the amount of acid costs.
@@clintongriffin2077 😅 Apologies for not being clear what I meant is after grinding it into id say a coarse powder add it to the aqua regia
@MrZodiacify ah good idea. After the waffer powder is floated off?
@@clintongriffin2077 🤔 yeah and having a course ground would also keep the leftovers from turning to mud and clogging the filter
Hey Chief, I've got an idea - it may be stupid, and if it is just let me know.
Jason over at MBMMLLC has done experiments where he runs whole computer boards through his hammer mill and recovers all the metal on his shaker table. It's mostly copper, with lead and tin solder - but there's a surprising amount of gold and silver in there. He's asked for a cost effective method of getting the precious metals out. What would happen if he melted all the metal into a bar and use that copper alloy bar to cement out metals in a stock pot? Shouldn't the base metals go into solution and the precious metals drop out in the mud at the bottom of the stock pot?
Sounds right. But I’ve never tried it.
Do you salvage the copper that comes out of solution on the iron in your waste treatment?
It’s considered waste.
Couldn't you put these in a 5 gallon bucket with the delute nitric acid and let them soak ahead of time to remove the metals, Or does it require heat to get the metals removed?
Introduction of heat speeds up the process
Heat makes it go fast
Hey sreetips! Longtime viewer. Why don't you add superchat to your vids? Is it too much of a hassle? If so, I can understand it! But if you do add it in later on. I'd be glad to help out. Keep making cool videos please
At today's spot price, you got yourself a trip to the grocery store ($278).