Rhode Island police officer. Can't get enough of your content. We appreciate the time it takes to bring it to us. I'm saving some cash for a purchase like this someday. Love to you and your family. Thanks for supporting my brothers and sisters in blue 👍
This reminds me of a school trip to the royal canadian mint when I was young. They used this same process essentially with the only real difference being they used titanium cathodes. That part always stuck with me because when I was a kid titanium was this magical super metal that only nasa and the military used. But good for you sir. You are purifying gold to the same high level of the RCM!!!
Thanks so much for this video, I have assumed it was possible but had not come across anybody actually doing it. Just a couple of pointers for the electrical side of things that you seem to be a little unsure of: The only absolute value is the current. This will dictate the speed of the reaction, which will determine the properties of the deposition. If all you are after is pure gold to be melted, go fast and go hard. If you are wanting a specific result, (such as a smooth coating) then slow and steady at a lower current will give you what you need. However, there are variables: The surface area of the electrodes, their separation distance, the conductivity and temperature of the electrolyte and the supply voltage is adjusted to accommodate for these variables to deliver the desired current. I believe your current was about right for your setup, any higher and the temperature of your electrolyte would have increased too much. To get the hundreds of amps of the original process, you'd need a much larger volume of solution to keep it from boiling.
I love your channel. I have watched many of your videos. I always wondered if the gold solution weighed more and I've always wondered if you could make a gold cell. Great video.. one day I will do what you do and you've brought me that much closer. Thank you
It just amazes me what you can achieve in your experiments. I'm glued to the screen watching your videos with amazement of your products you achieve. Thank you for allowing your viewers to experience. What most people are unable to experience for themselves.
Been waiting so long for you to do this. Wow . Do a slow experiment in gold crystal. Anode and cathode in solution, in gold electrolyte. And power it with two dissimilar metals in electrolyte( the lowest volts and amps) for a year. Bam. Then out pops the most beautiful slow gold crystal ever. Just like the Tucson gem show. A masterpiece to sell for a master dollar.
Wonderful experiment, sreetips! And I subscribed to Dr. Young's channel too! I'm an amateur watch servicer/repairer, and I sometimes re-plate watch cases and bracelets with gold or nickel. We set up a similar electrolytic cell for the plating process.
I suspect the gold was coming out of solution as crystals since you saturated it while boiling. Recrystallization is a common method for purifying a compound dissolved in a solvent. That's probably some pretty pure gold. It might even be more pure than what you'd get by using sodium metabisulfate. You could put some of the electrolyte in the fridge or even freezer (don't actually freeze it) to get more. It might be interesting to see how pure it tests out doing it that way.
As I understand the process, you can do this with most metals, you just need the electrolyte to contain a salt of the metal your after. You could use mixed copper metal, for a lower cost experiment, say a nickel coin, which is mostly copper with copper sulfate as the electrolyte with a bit of sulfuric acid added, any contaminates will turn into a slime on the bottom of the beaker, in this case, the nickel metal. Your gold experiment did not have enough contaminates to show up as slim and the electrolyte is still loaded with gold, but it is fully reusable and I'd say this was an excellent video. Try it with 14 k gold and notice the silver on the bottom. Or, you could use a silver salt electrolyte and end up with gold on the bottom. As a note, some metals are ok to deal with as metal, but as salts, they are very toxic, like nickel.
Now you got me sitting here staring it my gold ring on one hand in my titanium ring on the other thinking I don't need these all that badly I guess I could sacrifice them to the god of learning with little regret
Hello Mrs and Mr sreetips. This is only not refining, but truly a masterpice. Like you say sir.. A pice of art. In my eyes.... So close to 1000. So clean gold... Thank you🌹
Absolutely awesome. I am happy that it worked. My thought as to why they used a higher current power supply in the book was to increase the speed of the process. If you are planning on doing this in the future, you could always melt the high purity gold and reform it for another use in the cell.
The operative value is current density. In the book, the cathode area was vastly larger, so a higher total current is necessary to obtain the desired current density. To keep the current density relatively constant, they use multiple anodes and cathodes. Another factor that affects the current density is the spacing between the anodes and cathodes.
Canadian royal mint used Titanium cathode and gold anode in the same acid bath . In the video he just scraped the gold off the titanium plate . And could be used again . A surprising low voltage and a surprising large ampere . Great work man . I'm a subscriber . The Egyptians and incas did the EXACT same thing . In caves using plant juices . Did i say caves ? I mean megaithic stone constructions . Secret chambers . High science
If you taper the anode, so it is thinner and narrower as you progress towards the bottom, you should minimize or even eliminate any of the anode falling off.
Enjoyable production values and professional working environment in all of your youtubes. Also, remarkably steady hands in pouring out solutions of pregnant liquor (envy here)... The 'Wohlwill' video above: very instructive. Obviously, you could scale it up by running several of your beaker electrolytic at a time cells in parallel. Some authorities say it's possible to get .99999 purity this way; although this might be two x through the Wohlwill process. Three suggestions for Wohlwill (and not to go against Hoke, but to tweak her just a bit): 1. I would make sure that the stirring bar rotates at slowest possible speed (say, 30 rpm) so as not to raise up any slimes settling at the bottom of your beaker, and have them get trapped by the gold crystals forming at the Cathode; 2. Separating your Anode from your Cathode another few centimeters wouldn't hurt, again to prevent any possible impurities at the Anode. The process will take longer. 3. Hoke recommends 1.5v; a lower voltage will of say even 1v will help slow down the inevitable contamination of your electrolyte after repeated batches, as well as ensuring the purity of your final prodcut. Of course, this will take considerably more time, too.
Have a very good Christmas and a happy New year. Thanks for all Nice vidio clip. I see forways to follow you in 2022. Take care my friend, and good bless you and your famelimembers💞 Thanks😊
Nice video, but you have to have gold in solid form to do the electrolysis process. Most of us don't. That's why I'm sticking to 3 refines in AR to get close to the same purity. Cheers
4 amps seems a bit high for that small of a cathode; it's likely to be a bit less fuzzy if you grow it more slowly at lower amps. I've never done gold, but when the anode and cathode are the same metal with copper or silver, you only need a tiny voltage, 0.1v or less, to push the ions across successfully, and the slower they move, the more ordered the crystal. Of course, Faraday's Law tells you how much longer it will take to move a certain amount of metal over, and it can take a week to get a few grams at low currents.
@@sreetips Yep. The book is concerned with recovery and refining of precious metals. Getting pretty crystals is of zero interest. But Orion is correct, a lower current density will produce larger crystals.
I had an experience exposing gold concentrates under a 2'x3' magnifying glass. Temperature exceeded melting point. The gold crystallized out of the concentrates very similar. My only conclusion is that the high concentration of UV light caused the crystalline growth. Very neat....!
I use the Shor refining unit. I learned to make my Gold Anode in the shape of a wedge and attaching the thicker part to the end of heavy wire so it completely dissolves and doesn’t drop in a piece.
Makes sense. When you add straight Hydrochloric to Gold, it won't dissolve because the atoms of Gold leave solution as fast as they are dissolved, the electric current causes the dissolved Gold atoms to follow the current flow and leave solution at the cathode end of the current flow. You're taking advantage of the natural reaction, very tricky, well done.
Once again this is fascinating.The gas hood is sounding worse and worse as time passes. Great to see this success. The smile tells a lot. Your video is done and you will be pleased I am sure. It will take a coupe weeks to get it edited and posted my friend. My editor has more than just myself he does videos for.Take care my friend !
It's hilarious that you said morel mushroom. That's exactly what I was thinking. Maybe because that is one of my 2 favorite hobbies - gold and mushroom picking.
i would love to see this experiment re-ran with the same level of detail you showed to the setup being applied to all variables involved. You spent so much time setting up the physical layout but paid absolutely no mind to ensuring you had a top notch, low noise, near to perfect constant-voltage power source or any top tier temperature regulation. Imagine this done with the perfect physical layout, perfect power regulated source of current, and the temperature was controlled down to the thousandth of a degree. If you wanna be a chemist, mr sreetips, be the gold standard :)
I’m not a chemist. I took a chemistry class about 50 years ago in high school and got a “D” - you don’t have to be a chemist to refine precious metals.
@@sreetips my apologies Sreetips. If I can explain: 1. This was my attempt at humor, you know the "gold standard" comment. 2. I actually would be interested in that video because you have the process as it stands down pat & the only thing I could possibly think of to improve it would be my original comment. I apologize that I was unable to convey the message in the way I was trying to. At the end of the day I love your videos and am in awe at the levels of success you have in a non professional environment. Lastly I have NOT been lucky enough to speak from experience. I am not saying that if u upgrade those variables that u will get a different result, I am merely speculating. I respect your expertise my friend...I apologize if I conveyed anything other than that
Hey sreetips, not sure if using water in the beaker to measure the difference in weight is the proper way to make an apt comparison due to the difference in density of electrolyte and water. I believe the correct scientifically accurate measurement would be to add the leftover electrolyte back into the beaker and measure from there - someone correct me if im wrong only commenting bc this channel is awesome and i love how accurate it tries to be; great vid!!!
As long as the volumes are the same, it is perfectly accurate. He was measuring weight difference, not specific gravity or density or some other solute/solvent dependent variable.
I found calculations on a website that using displacement highway is graduated cylinder and a scale you could not only determine whether a gold was real but also its purity 10 karat versus 14 karat versus 18 carat Etc which is accurate enough to eliminate the need to buy expensive reagents for testing so yes it most certainly will be differences in density especially at that concentration
I took calculus in college. No more logs and with respect to whatever function or constant for me! It seems like another language but if anyone takes enough time they can understand what the dude is saying at least somewhat but the answers wont add value or improve your life or anything lol. The crystals grown were pretty sweet! I'm surprised Sreetips wasn't sure he could pull this experiment off! I have extreme confidence in his refining abilities!
So, if it was 220.5g lighter with water than with the chloroauric acid, and there was only 160.5g of gold in the solution, does that mean that the same volume of aqua regia weighs 60g more than the water?? I would not have expected that, I always kind of had an assumption that the acid was less heavy per unit volume than water! 😅
I noticed the noise level in the hood is higher. That's good. More noise comes from more air flow. More air flow means less sulfur dioxide down your throat.
Your videos are excellent...very professional. For the amateur wothout equipment ir the chemical supplies...would it be possible.for.you to maybe make videos of other ways to safely reclaim precious metals?
I wonder if you could grow larger crystals by slowing the reaction down similar to the silver cell, still very cool experiment, not many people get to play with pure gold like this
Hey sreetips thanks all the extra chemistry tips and knowledge......your pretty badass.......thanks.....I'll have show some of my projects including gold extraction....laters.. C you soon
Outstanding. Was waiting a long time to see this. It's 5 p.m. Eastern and still no bids with 5 hours left to the auction. If it doesn't sell, makeup one gram packages for $100 starting bid on each. I'd gladly pay that, these crystals are special, but not easily liquidatable bullion. To get 1700 Worth, as a curiosity, is beyond my means. Second comment / question is: I noticed that you're keeping your silver cell free of any base metals buy re-refining crystal, but wasn't an excess of copper creating more interesting crystals? I thought you had mentioned something like that. I wouldn't end this experiment, to see larger crystals would be awesome, as well as more valuable. Again, outstanding job. Thanks
eBay won’t fend for me if an overseas buyer claims there’s a problem. For example, if a buyer claims the item never arrived and I have no way to prove that the overseas carrier actually delivered it. They could end up with the item I sold and get a refund. In the USA I use usps. Delivery can be verified and the dispute settled then and there. All I do is provide tracking and verification the item was delivered to the address that they provided. eBay will back me up. That’s why I don’t risk shipping precious metals overseas.
To duplicate Hoke's setup in miniature, you need the proper current density at the specified voltage. The current density will affect what the deposited gold looks like and how fast it deposits. By the way, the volume markings on beakers and flasks are inaccurate. You should use that 100 ml graduated cylinder to measure out your 100 ml of electrolyte, then use it to measure the 80 ml of distilled water as well. For stirring, I would think a bubbler would be better than the stir rod. It would be less likely to stir up any sludge that settles to the bottom of the beaker. Not important for this short experiment, but might be critical if you had a massive anode bar.
😎 very informative I really learn a lot from your videos steetips...... Can you make another video recovering gold from cyanide solution by electrolysis using copper or stainless...... Thanks
Thanks Sreetips, awesome video! are you sure that the first bottle precipitate was metalic gold? it looks like gold chloride crystals to me, perhaps the solution became over saturated at room temp and that causes gold chloride cristals to precipitate.
While refining gold would it not be really convenient to just do the nitric boils and then just make an anode of the powder or even make a basket for the powder to use as an anode to eliminate the aqua regia boils?
The only problem is lead. Just traces of it ruins the ductility and malleability of gold. Doing a single refining with aqua regia and adding a little sulfuric acid to precipitate out the lead, then filtering it out will remove 100% of the lead. The anode for the electrolytic gold cell needs to be high purity to begin with.
You should get some of those little stickers with "Sreetips" on them to stick on the finger of your gloves like those people in the pimple popping videos 😊
Beautiful video, would love to see you do it again with different voltage and current to try to produce larger crystals. Do you know why the crystals were so hard despite being so small? With copper in a similar crystal size, the thing would just crumble from my experience.
Awesome sreetips. Like to see new things and especially something like this. Wonder if you put up the current you can make Crystals like found in nature.
@@sreetips Good question. Indeed I assume they where emerged in probably a little more contaminated "electrolyte" I saw people dissolving them out of quartz. Also heard that it has an afinity with Carbon. Carbon probably acts as crystalisation core.
I think it's fascinating that gold is produced during a super nova. Only there do the pressures and temperatures exit to fuse protons into new, heavier elements.
@@sreetips neutron capture can not only produce heavier isotopes but also heavier elements. To me it's also fascinating that nature can dissolve gold and how and where it deposits.. Maybe one day I come and see for myself, Here in the river delta is only dust to find.
sreetips The nuclear accelerator can create gold atoms by slamming subatomic particles into the target. Again, not feasible due to energy issues. I am not sure about the stability of the atom or if the decay is as fast as it’s creation but I know that the experiment was performed successfully.
I wonder if what you had leftover of the anode weighed 1.11 grams. That would be interesting. Does the pure gold that crystalizes come specifically from the Anode or does some of it come from the electrolyte?
So you've made one bit of gold bigger, whilst making the other one smaller ? Moved gold from one electrode to the other. Not sure this was the point of the experiment was it
Am not getting this process. Normally, the cathode and anode are dissimlar materials. Also I don't know why it has to be heated unless HCl requires the heat to active. I was expecting something like the silver cell. I also wonder if that yellow washoff liquid if it has palladium in it.
You don't need a lot. For your anode, you can use scrap karat gold; your cathode can be a length of fine gold wire. The current won't be very high due to the surface areas involved, but it will still work. Keep in mind that this is a refining cell, not an electroplating cell. The deposited gold will not be shiny, as demonstrated by sreetips.
@ 1:04 - "I'm gonna put it upon the scale and measure... I don't know if it is accurate comparison..." For more accurate measurement I'd recommend using volumetric flask - they aren't that expensive, and they will give much more accurate measurement. Obviously, those are available only in fixed volumes (like, say, 10, 20, 50, 100, 250 ml, and so on), but you can compare weight of a fixed sample, measure the total volume of solution in question using measuring cylinder, and then do the math.
You probably had a saturated solution of gold, at the boiling point of the acid. When it cooled the acid couldn't hold as much dissolved gold and the excess is crystallizing out of the solution.
I understand that one of themanide or cathode basically pushes the metal over to the other side to stick to the opposite rod, my question is can you use a carbon rod to do the pushing ?? Does it HAVE to be metal?
Yes, I think the big refiners use titanium cathodes for the gold to plate out on instead of pure gold cathodes. I’ve never heard of carbon cathode, but that don’t mean it wouldn’t work. For electrolytic refining to be successful the anode must be fairly pure to begin with. Otherwise the chloroauric acid electrolyte would become fouled rather quickly and other metals could then contaminate the pure gold at the cathode.
Check mate lol. I realize the reactivity series makes gold the best anode... but you just made a 99.99 pure cathode if I'm not mistaken... à perfect seed that doesn't require cleaning and cannot contaminate.
Very interesting! I am really curious if you use a much lower current density (maybe 1/10 of what it was in this video), would the gold crystals be a lot nicer? Also I am currently doing electrorefining of platinum with K2PtCl4 and it worked, would love to see you do it in a larger scale!
Maybe an Odd Question and perhaps I've mis understand: If you have 100ml solution with 34.1 gram of desolved gold (state your calculation note) + you've desolve 25,5 gram of Pure gold (Anode) and after the experiment on the Kathode you've got 27,7 gram of Pure gold. Where is the remaining 32.1 gramm of gold?? ( Maybe I missed something)...
Rhode Island police officer. Can't get enough of your content. We appreciate the time it takes to bring it to us. I'm saving some cash for a purchase like this someday. Love to you and your family. Thanks for supporting my brothers and sisters in blue 👍
what was cool was watching the stir bar increase in speed when you added water, showing just how dense the solution was with devolved gold
This reminds me of a school trip to the royal canadian mint when I was young. They used this same process essentially with the only real difference being they used titanium cathodes. That part always stuck with me because when I was a kid titanium was this magical super metal that only nasa and the military used. But good for you sir. You are purifying gold to the same high level of the RCM!!!
titanium still my fav material
Actually I made this very suggestion on sreetips silver cell video. But using titanium. I was curious if it would work with carrot gold
Thanks so much for this video, I have assumed it was possible but had not come across anybody actually doing it.
Just a couple of pointers for the electrical side of things that you seem to be a little unsure of:
The only absolute value is the current. This will dictate the speed of the reaction, which will determine the properties of the deposition. If all you are after is pure gold to be melted, go fast and go hard. If you are wanting a specific result, (such as a smooth coating) then slow and steady at a lower current will give you what you need.
However, there are variables: The surface area of the electrodes, their separation distance, the conductivity and temperature of the electrolyte and the supply voltage is adjusted to accommodate for these variables to deliver the desired current.
I believe your current was about right for your setup, any higher and the temperature of your electrolyte would have increased too much. To get the hundreds of amps of the original process, you'd need a much larger volume of solution to keep it from boiling.
I love your channel. I have watched many of your videos. I always wondered if the gold solution weighed more and I've always wondered if you could make a gold cell. Great video.. one day I will do what you do and you've brought me that much closer. Thank you
I made a gold cell. In that video I measure the weight of liquid with gold in it and without the gold, just plain water. It’s titled Wohlwill Process
It just amazes me what you can achieve in your experiments. I'm glued to the screen watching your videos with amazement of your products you achieve.
Thank you for allowing your viewers to experience. What most people are unable to experience for themselves.
Hello Mrs and Mr Sreetips. This is not only pure gold. This is art. 🔥
Never ever bored to see this excellent clip.
Thank you. God bless you🙏🔥
Thank you!
Been waiting so long for you to do this. Wow . Do a slow experiment in gold crystal. Anode and cathode in solution, in gold electrolyte. And power it with two dissimilar metals in electrolyte( the lowest volts and amps) for a year. Bam. Then out pops the most beautiful slow gold crystal ever. Just like the Tucson gem show. A masterpiece to sell for a master dollar.
I made a note of your comment for future reference. Sounds interesting.
Wonderful experiment, sreetips! And I subscribed to Dr. Young's channel too! I'm an amateur watch servicer/repairer, and I sometimes re-plate watch cases and bracelets with gold or nickel. We set up a similar electrolytic cell for the plating process.
I suspect the gold was coming out of solution as crystals since you saturated it while boiling. Recrystallization is a common method for purifying a compound dissolved in a solvent. That's probably some pretty pure gold. It might even be more pure than what you'd get by using sodium metabisulfate. You could put some of the electrolyte in the fridge or even freezer (don't actually freeze it) to get more. It might be interesting to see how pure it tests out doing it that way.
Another great video sir! I was engrossed from start to finish and thoroughly enjoyed it.
As I understand the process, you can do this with most metals, you just need the electrolyte to contain a salt of the metal your after. You could use mixed copper metal, for a lower cost experiment, say a nickel coin, which is mostly copper with copper sulfate as the electrolyte with a bit of sulfuric acid added, any contaminates will turn into a slime on the bottom of the beaker, in this case, the nickel metal. Your gold experiment did not have enough contaminates to show up as slim and the electrolyte is still loaded with gold, but it is fully reusable and I'd say this was an excellent video. Try it with 14 k gold and notice the silver on the bottom. Or, you could use a silver salt electrolyte and end up with gold on the bottom. As a note, some metals are ok to deal with as metal, but as salts, they are very toxic, like nickel.
Now you got me sitting here staring it my gold ring on one hand in my titanium ring on the other thinking I don't need these all that badly I guess I could sacrifice them to the god of learning with little regret
Hello Mrs and Mr sreetips. This is only not refining, but truly a masterpice. Like you say sir.. A pice of art. In my eyes.... So close to 1000. So clean gold... Thank you🌹
Absolutely awesome. I am happy that it worked. My thought as to why they used a higher current power supply in the book was to increase the speed of the process. If you are planning on doing this in the future, you could always melt the high purity gold and reform it for another use in the cell.
They were probably using a larger anode.
The operative value is current density. In the book, the cathode area was vastly larger, so a higher total current is necessary to obtain the desired current density. To keep the current density relatively constant, they use multiple anodes and cathodes. Another factor that affects the current density is the spacing between the anodes and cathodes.
Can you tell me what is the name of the book?
Canadian royal mint used Titanium cathode and gold anode in the same acid bath . In the video he just scraped the gold off the titanium plate . And could be used again . A surprising low voltage and a surprising large ampere . Great work man . I'm a subscriber . The Egyptians and incas did the EXACT same thing . In caves using plant juices . Did i say caves ? I mean megaithic stone constructions . Secret chambers . High science
I learn so much just by reading your comments. What a great forum
You also just made the worlds coolest gold coin...very cool...I'm blown away...you have me wanting to make gold crystal...amazing...thank you
If you taper the anode, so it is thinner and narrower as you progress towards the bottom, you should minimize or even eliminate any of the anode falling off.
Enjoyable production values and professional working environment in all of your youtubes. Also, remarkably steady hands in pouring out solutions of pregnant liquor (envy here)... The 'Wohlwill' video above: very instructive. Obviously, you could scale it up by running several of your beaker electrolytic at a time cells in parallel. Some authorities say it's possible to get .99999 purity this way; although this might be two x through the Wohlwill process.
Three suggestions for Wohlwill (and not to go against Hoke, but to tweak her just a bit):
1. I would make sure that the stirring bar rotates at slowest possible speed (say, 30 rpm) so as not to raise up any slimes settling at the bottom of your beaker, and have them get trapped by the gold crystals forming at the Cathode;
2. Separating your Anode from your Cathode another few centimeters wouldn't hurt, again to prevent any possible impurities at the Anode. The process will take longer.
3. Hoke recommends 1.5v; a lower voltage will of say even 1v will help slow down the inevitable contamination of your electrolyte after repeated batches, as well as ensuring the purity of your final prodcut. Of course, this will take considerably more time, too.
Well observed friend!
400mA / Dcm² of the cathode would also delay the operation much more, but would cause the gold to settle in metallic form.
That’s incredible how well that worked. Those crystals are really cool looking. Awesome video as usual Sreetips 👍
You made it look easy. Thank you for showing us how to do this. God Bless 🙏
Have a very good Christmas and a happy New year. Thanks for all Nice vidio clip. I see forways to follow you in 2022.
Take care my friend, and good bless you and your famelimembers💞
Thanks😊
Same to you - thank you
Thank you Mr sreetips 😊
Nice video, but you have to have gold in solid form to do the electrolysis process. Most of us don't. That's why I'm sticking to 3 refines in AR to get close to the same purity. Cheers
This is amazing! I love your content but this one is definitely at the top of the must watch list!
4 amps seems a bit high for that small of a cathode; it's likely to be a bit less fuzzy if you grow it more slowly at lower amps. I've never done gold, but when the anode and cathode are the same metal with copper or silver, you only need a tiny voltage, 0.1v or less, to push the ions across successfully, and the slower they move, the more ordered the crystal. Of course, Faraday's Law tells you how much longer it will take to move a certain amount of metal over, and it can take a week to get a few grams at low currents.
I was going by the instructions in the book. I had zero experience with this.
@@sreetips Yep. The book is concerned with recovery and refining of precious metals. Getting pretty crystals is of zero interest. But Orion is correct, a lower current density will produce larger crystals.
I had an experience exposing gold concentrates under a 2'x3' magnifying glass. Temperature exceeded melting point. The gold crystallized out of the concentrates very similar. My only conclusion is that the high concentration of UV light caused the crystalline growth. Very neat....!
I use the Shor refining unit. I learned to make my Gold Anode in the shape of a wedge and attaching the thicker part to the end of heavy wire so it completely dissolves and doesn’t drop in a piece.
Chuck Eichhorn @sreetips
I concur
I was wondering about that... Ensures there's nothing thicker hanging off of something thinner about to break off
Makes sense.
When you add straight Hydrochloric to Gold, it won't dissolve because the atoms of Gold leave solution as fast as they are dissolved, the electric current causes the dissolved Gold atoms to follow the current flow and leave solution at the cathode end of the current flow.
You're taking advantage of the natural reaction, very tricky, well done.
In an electrolytic solution corresponding metal as ions not atoms
An atom is electrically neutral where as ion is charged
Thank you now I understand
This is so stinking cool sreetips, I just bought my first hot plate and looking at filter flasks right now.
Once again this is fascinating.The gas hood is sounding worse and worse as time passes. Great to see this success. The smile tells a lot. Your video is done and you will be pleased I am sure. It will take a coupe weeks to get it edited and posted my friend. My editor has more than just myself he does videos for.Take care my friend !
Great, thank you!
It's hilarious that you said morel mushroom. That's exactly what I was thinking. Maybe because that is one of my 2 favorite hobbies - gold and mushroom picking.
It does look like a Morel mushroom! Our season for morels starts in about 2 weeks up here in Boyne City, Michigan.
That is amazing, good to see you didn't have any trouble!
i would love to see this experiment re-ran with the same level of detail you showed to the setup being applied to all variables involved. You spent so much time setting up the physical layout but paid absolutely no mind to ensuring you had a top notch, low noise, near to perfect constant-voltage power source or any top tier temperature regulation.
Imagine this done with the perfect physical layout, perfect power regulated source of current, and the temperature was controlled down to the thousandth of a degree.
If you wanna be a chemist, mr sreetips, be the gold standard :)
I’m not a chemist. I took a chemistry class about 50 years ago in high school and got a “D” - you don’t have to be a chemist to refine precious metals.
@@sreetips my apologies Sreetips. If I can explain:
1. This was my attempt at humor, you know the "gold standard" comment.
2. I actually would be interested in that video because you have the process as it stands down pat & the only thing I could possibly think of to improve it would be my original comment.
I apologize that I was unable to convey the message in the way I was trying to. At the end of the day I love your videos and am in awe at the levels of success you have in a non professional environment. Lastly I have NOT been lucky enough to speak from experience. I am not saying that if u upgrade those variables that u will get a different result, I am merely speculating. I respect your expertise my friend...I apologize if I conveyed anything other than that
No foul, thank you
Nice Job my love is the silver Crystals cell its so pretty to look at great Vlog thanks
Hey sreetips, not sure if using water in the beaker to measure the difference in weight is the proper way to make an apt comparison due to the difference in density of electrolyte and water. I believe the correct scientifically accurate measurement would be to add the leftover electrolyte back into the beaker and measure from there - someone correct me if im wrong only commenting bc this channel is awesome and i love how accurate it tries to be; great vid!!!
Gordon Chace actually the 100% proper way would be to use aqua regia. The electrolyte was being constantly replenished with gold from the anode.
@@shayne3190 I Thank You
As long as the volumes are the same, it is perfectly accurate. He was measuring weight difference, not specific gravity or density or some other solute/solvent dependent variable.
Thanks for the video absolutely cool I'm going to give this a go. Awesome!!!
It was worth the wait! B E A Utiful!!
I think you're right it looks like a yellow sponge mushroom!!!
Have a GREAT Day!!!!
I found calculations on a website that using displacement highway is graduated cylinder and a scale you could not only determine whether a gold was real but also its purity 10 karat versus 14 karat versus 18 carat Etc which is accurate enough to eliminate the need to buy expensive reagents for testing so yes it most certainly will be differences in density especially at that concentration
Thanks you always do the best slot from Jordan
I took calculus in college. No more logs and with respect to whatever function or constant for me! It seems like another language but if anyone takes enough time they can understand what the dude is saying at least somewhat but the answers wont add value or improve your life or anything lol. The crystals grown were pretty sweet! I'm surprised Sreetips wasn't sure he could pull this experiment off! I have extreme confidence in his refining abilities!
Thank you shree sir very nice gold Cristalis refining video.
Congratulations, you did it !
congratulations professor. you are the best.
It's definitely interesting thank you for sharing this six stars
So, if it was 220.5g lighter with water than with the chloroauric acid, and there was only 160.5g of gold in the solution, does that mean that the same volume of aqua regia weighs 60g more than the water?? I would not have expected that, I always kind of had an assumption that the acid was less heavy per unit volume than water! 😅
I noticed the noise level in the hood is higher. That's good. More noise comes from more air flow. More air flow means less sulfur dioxide down your throat.
I cut part of the restriction off the outlet pipe. But I've got a new motor. Just need time to install it.
Who knew you could grow gold???!!! Amazing!
Your videos are excellent...very professional. For the amateur wothout equipment ir the chemical supplies...would it be possible.for.you to maybe make videos of other ways to safely reclaim precious metals?
I wonder if you could grow larger crystals by slowing the reaction down similar to the silver cell, still very cool experiment, not many people get to play with pure gold like this
That crystal is absolutely amazing!
Hey sreetips thanks all the extra chemistry tips and knowledge......your pretty badass.......thanks.....I'll have show some of my projects including gold extraction....laters..
C you soon
Excellent, thank you
Outstanding. Was waiting a long time to see this. It's 5 p.m. Eastern and still no bids with 5 hours left to the auction. If it doesn't sell, makeup one gram packages for $100 starting bid on each. I'd gladly pay that, these crystals are special, but not easily liquidatable bullion. To get 1700 Worth, as a curiosity, is beyond my means.
Second comment / question is: I noticed that you're keeping your silver cell free of any base metals buy re-refining crystal, but wasn't an excess of copper creating more interesting crystals? I thought you had mentioned something like that.
I wouldn't end this experiment, to see larger crystals would be awesome, as well as more valuable.
Again, outstanding job. Thanks
Yes, copper in the electrolyte makes better crystals. I'm doing the crystal re-refine because it was requested.
Shame I can't buy from your eBay store being in UK, but appreciate why. Very interesting video. Thank you!
Sorry, I tried. ebays policy not mine
@@sreetips Interesting. International sales didn't use to be a problem. I have bought and sold many item to/from the UK.
eBay won’t fend for me if an overseas buyer claims there’s a problem. For example, if a buyer claims the item never arrived and I have no way to prove that the overseas carrier actually delivered it. They could end up with the item I sold and get a refund. In the USA I use usps. Delivery can be verified and the dispute settled then and there. All I do is provide tracking and verification the item was delivered to the address that they provided. eBay will back me up. That’s why I don’t risk shipping precious metals overseas.
Cool mushroom art, maybe tag it as such on ebay for a wider attraction. Interesting experiment.
I think I might try this experiment also!! I jus need to get my gold stack up more first
I am here after MAC asked about this. That is a lot of gold you are playing with bud.
Omg I laughed for 10 minutes when you said” ya it made it bigger”🤣🤣🤣
Dents. Wood would been better or leather.
Very cool..... Well Done !!
To duplicate Hoke's setup in miniature, you need the proper current density at the specified voltage. The current density will affect what the deposited gold looks like and how fast it deposits.
By the way, the volume markings on beakers and flasks are inaccurate. You should use that 100 ml graduated cylinder to measure out your 100 ml of electrolyte, then use it to measure the 80 ml of distilled water as well.
For stirring, I would think a bubbler would be better than the stir rod. It would be less likely to stir up any sludge that settles to the bottom of the beaker. Not important for this short experiment, but might be critical if you had a massive anode bar.
Excellent video
Another great video
😎 very informative I really learn a lot from your videos steetips...... Can you make another video recovering gold from cyanide solution by electrolysis using copper or stainless...... Thanks
I’m not familiar with cyanide processes
sreetips or any other solutions using copper or stainless stripping gold from solution
Not that I know of
Thanks Sreetips, awesome video! are you sure that the first bottle precipitate was metalic gold? it looks like gold chloride crystals to me, perhaps the solution became over saturated at room temp and that causes gold chloride cristals to precipitate.
Looks like a morel mushroom. I was thinking of the exact same thing!
While refining gold would it not be really convenient to just do the nitric boils and then just make an anode of the powder or even make a basket for the powder to use as an anode to eliminate the aqua regia boils?
The only problem is lead. Just traces of it ruins the ductility and malleability of gold. Doing a single refining with aqua regia and adding a little sulfuric acid to precipitate out the lead, then filtering it out will remove 100% of the lead. The anode for the electrolytic gold cell needs to be high purity to begin with.
Thank you for another informative video.
You should get some of those little stickers with "Sreetips" on them to stick on the finger of your gloves like those people in the pimple popping videos 😊
Spot on with it looking like a morel mushroom
Wow very nice video
This was a Great Video ! But what made the Cathode Connection to turn black all of a sudden ?
Science!
The fluro color of gold In solution is awesome
It is like a copper refining - the best economic method to get the purest metal.
Beautiful video, would love to see you do it again with different voltage and current to try to produce larger crystals. Do you know why the crystals were so hard despite being so small? With copper in a similar crystal size, the thing would just crumble from my experience.
Awesome sreetips. Like to see new things and especially something like this. Wonder if you put up the current you can make Crystals like found in nature.
I don't think that crystals this pure exist in nature.
@@sreetips Good question. Indeed I assume they where emerged in probably a little more contaminated "electrolyte" I saw people dissolving them out of quartz. Also heard that it has an afinity with Carbon. Carbon probably acts as crystalisation core.
I think it's fascinating that gold is produced during a super nova. Only there do the pressures and temperatures exit to fuse protons into new, heavier elements.
@@sreetips neutron capture can not only produce heavier isotopes but also heavier elements. To me it's also fascinating that nature can dissolve gold and how and where it deposits.. Maybe one day I come and see for myself, Here in the river delta is only dust to find.
sreetips The nuclear accelerator can create gold atoms by slamming subatomic particles into the target. Again, not feasible due to energy issues. I am not sure about the stability of the atom or if the decay is as fast as it’s creation but I know that the experiment was performed successfully.
Have you considered saving these up and pouring a one ounce .9999 Bar? I think that would be SO cool!
TY for the EMail - I had forgotten about this Vid - Keep 'em coming, Sreetips! :)
Excellent!
I wonder if what you had leftover of the anode weighed 1.11 grams. That would be interesting. Does the pure gold that crystalizes come specifically from the Anode or does some of it come from the electrolyte?
It comes from the anode bar as it dissolves in the electrolyte.
So you've made one bit of gold bigger, whilst making the other one smaller ? Moved gold from one electrode to the other.
Not sure this was the point of the experiment was it
To see if I could do it. And for you to see how it's done.
Am not getting this process. Normally, the cathode and anode are dissimlar materials. Also I don't know why it has to be heated unless HCl requires the heat to active. I was expecting something like the silver cell. I also wonder if that yellow washoff liquid if it has palladium in it.
They are different by the impurities! The pure gold plates onto the cathode and the impurities collect in the solution or on the bottom of the beaker.
you know if you made a pair of those in to hanging ear rings they would look pretty neat, might even fetch a premium price.
You could probably protect the crystals by casting them in resin.
Love the pie pan.
Maybe if you use a smaller, narrow and thin (wire) cathode would make longer crystals?
There really were no crystals. Getting gold crystals is very difficult and requires special processes and equipment.
I don’t have enough gold to try this one 😂🤣😂
You don't need a lot. For your anode, you can use scrap karat gold; your cathode can be a length of fine gold wire. The current won't be very high due to the surface areas involved, but it will still work.
Keep in mind that this is a refining cell, not an electroplating cell. The deposited gold will not be shiny, as demonstrated by sreetips.
stretips how many volts and amperes for palladium metal, in nitrate solution, and what metal for the anode and cathode
Yep that Pure Gold Morel could be eaten by mistake!
Very nice dude!
✌️PT
@ 1:04 - "I'm gonna put it upon the scale and measure... I don't know if it is accurate comparison..."
For more accurate measurement I'd recommend using volumetric flask - they aren't that expensive, and they will give much more accurate measurement.
Obviously, those are available only in fixed volumes (like, say, 10, 20, 50, 100, 250 ml, and so on), but you can compare weight of a fixed sample, measure the total volume of solution in question using measuring cylinder, and then do the math.
Great video as always my friend
And thanks for answering my question
You probably had a saturated solution of gold, at the boiling point of the acid. When it cooled the acid couldn't hold as much dissolved gold and the excess is crystallizing out of the solution.
Thank you
I understand that one of themanide or cathode basically pushes the metal over to the other side to stick to the opposite rod, my question is can you use a carbon rod to do the pushing ?? Does it HAVE to be metal?
Yes, I think the big refiners use titanium cathodes for the gold to plate out on instead of pure gold cathodes. I’ve never heard of carbon cathode, but that don’t mean it wouldn’t work. For electrolytic refining to be successful the anode must be fairly pure to begin with. Otherwise the chloroauric acid electrolyte would become fouled rather quickly and other metals could then contaminate the pure gold at the cathode.
Great video as usual sreetips. But why in the world, anyone would want to buy 0.9 Troy oz of pure gold for more money that the one whole troy ounce?
Because by this time next year it will be worth twice that much. Mathematical certainty.
Awesome video street 👍😁 felt like I was back at college ha.
I watched Dr Pauls video and he sound like he was talking in tongues haha. 😂
That's the same reaction that I had to his video.
Would adding brightener make the crystals lustrous?
Check mate lol. I realize the reactivity series makes gold the best anode... but you just made a 99.99 pure cathode if I'm not mistaken... à perfect seed that doesn't require cleaning and cannot contaminate.
Gives me an idea? I'll shape the foil into a five point 🌟 see how the crystal gold looks. Thanks AGAIN.
PATRICK WILSON.
Very interesting! I am really curious if you use a much lower current density (maybe 1/10 of what it was in this video), would the gold crystals be a lot nicer? Also I am currently doing electrorefining of platinum with K2PtCl4 and it worked, would love to see you do it in a larger scale!
The crystals grow faster and more outward if the voltage is increased. That’s what the silver cell crystals do when higher voltage is applied.
Love the channel Sreetips tell the Mrs's hello for me.
That was a great experiment but i was hoping to see it crystalize like the silver cells do
I think it can if I crank up the voltage.
Absolutely beautiful.
Maybe an Odd Question and perhaps I've mis understand:
If you have 100ml solution with 34.1 gram of desolved gold (state your calculation note) + you've desolve 25,5 gram of Pure gold (Anode) and after the experiment on the Kathode you've got 27,7 gram of Pure gold. Where is the remaining 32.1 gramm of gold?? ( Maybe I missed something)...
Unusual but cool