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Dissolve Gold With Chlorine Gas
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- Опубліковано 9 тра 2023
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That pour was a work of art, a master craftsman.
You Sir are a modern day Alchemist!! I’ve been a huge fan of yours for a long time. I look forward to seeing what you release for us to watch.
That was a really awesome experiment! I was a little worried at first, but that second batch was amazing! Great video!
That was probably the best looking gold bar yet! Keep the videos coming!
I thought that, it instantly looked better, shinier than most we’ve seen. New 4k footage maybe😀
The loaves are getting more and more consistently perfect.
very elegant example of clean precise chemistry. Thanks as always!
I did a similar experiment a couple of years ago. I spent a lot of time dissolving a gram of gold powder. Then I found my mistake, corrected it and dissolved the gold with less chlorine used. You gave me an idea for a new video 🙂
I dropped the acid in to quick, 250ml in about half an hour. After resetting I pulled the acid drip way back and the same amount of acid lasted greater than 3 hours of continuous chlorine gas flow. It’s was my inexperience with using chlorine to dissolve gold.
Your videos never cease to amaze me every time. You are an amazing teacher my friend .👏👏👏
Superb ! Love the way you just do these things as if you're just changing a tyre ;)
The rate of Cl2 gas bubbles looks really high - it might go faster in a column rather than a beaker, with a slower gas rate, with the gas hitting more of the metal as it rises.
With a column, you could also duct away the waste chlorine gas into a jar of caustic soda solution to neutralize the waste gas.
Chances are that a UV light would also help in there.
The UV would help the Chlorine gas to split and whack the gold quicker.
UV light, I’ll have to check that out. I ran the HCl drip too quickly. After I got it adjusted then the gas flow was slow and consistent.
Or to use a gas diffuser to disperse the Cl2 into the solution more finely.
Beautiful bar! Really enjoying all the different methods you have been demonstrating lately. Fascinating stuff.
I have very little comprehension of the processes involved in the chemistry voodoo you perform, but I love to watch the magic.
Brilliant science tutorial involving our favourite metal!
Cheers pal ✊
3rd person title and chlorine gas?!? Sign me up! That bar is absolutely brilliant. No film, looks perfect.
Nice icon, btw 🎉
@@tom23rd Thanks!
3rd person title would be "sreetips dissolves gold with chlorine gas."
@@tom23rd Your profile pic reminds me of Die Antwoord
@@iyziejane The thumbnail
Oh Sreetips, I love the content but you know the old saying, "refine it more than twice, and you're just playing with it" 😆
And I love every minute of it!
Pure(r) enjoyment! Thank you Sir!👍👍🤟
Love the chlorine gas dissolve videos. Next you need to precipitate with SO2. Always love watching that.
Do this but both times, gas dissolve and gas precipitate it.. in one video, pretty please sreetips?
I can do that, almost did it with this one but I ran out of time.
Will do
Yeah I love watching the solution turn clear before the gold drops, fascinating.
@@sreetips If you've got the time, we've got the beer.
Beautifully done! Start to finish!
Interesting video Streetips thank you! Chlorine dissolution takes some hours but you don't have to deal with excess nitric acid. I guess the end result is also "cleaner", with less impurities?
I agree
I goofed. The bottom of the 2,500 ml beaker had a white residue on the bottom of the glass. I've got that light brown parcipitate all the way to the bottom of the beaker! Unbelievable!
He gives a thumbs up.
He wrote this comment too🤭
He laughed 😂
He also laughed
He is the man
Great vid MrSreetips
Always a good looking reaction.👍🔥
Great video, sreetips. I like this method seems to a whole lot clearer and as always another beautiful gold bar
I can't help but feeling that a lot of the chlorine gas went up out of the fume hood without reacting with any gold at all (although it may have corroded the fan). If you were doing this on a large scale then it would probably be worthwhile to capture the gas and cycle it back into the process.
Such a beautiful ingot and the dissolving the gold with chlorine gas was fascinating. 👍
Nice work, as always....Thanks for sharing with us.
Tips, can we get a small batch with lead in it? We would like to see the sulfuric precipitate lead out
I keep saying I will. I can’t seem to get ahead. But as soon as I do I’ll add some lead to see what happens.
Excellent video, try find an all glass co2 diffuser for fish tanks, that way you can go faster gas-wise without the losses
Awesome video! Would you make a video on some odd gold alloys? Like purple gold(aluminum gold alloy), blue gold( gallium or indium gold), it would be interesting to see.
Wow that second batch of gas totally went ape on the gold. That was awesome sreetips!
It was the stir bar did it.
Great work sir
2👍's up sreetips thank you for sharing
I never get tired of watching your stuff. Looks like you love gold more than Goldfinger did. You are really obsessed from gold.
I’d call is a passion, for refining the gold.
Wow, just Wow! It is fascinating to observe the many ways you know of extracting gold. Each one produces some of the coolest bars on the internet. Thanks for sharing your gift of perfection in refining metals.
Sir just like Trump knocking it out of the ballpark during CNN TOWN HALL you knock it out of the park with every video another great video of real science
Perfect timing for a sreetips.. but then again...when isn't 😊
the fact that only a gas has been added to dissolve gold would probably lower even further any risks of contamination, it's a great idea! I wonder though if it would be possible to cycle the chlorine produced back again into the beaker, because i expect alot of chlorine is being is lost in the air
You never cease to amaze.
This will be the cleanest gold on the planet. No pun intended.
I wonder if you could've put the gold foil in a nut / coffee bean grinder to break it down more. The stir bar was really laboring to get er done. You could probably put the Chlorine tabs. in there separately as well.
That's a $3000.00 bar of gold
Always a thumbs up for your videos.
I had a nice watch like your Omega got it cheap because of the wear on the lens, buffed it super carefully using a glass scratch-removing compound on cotton pads on a dremel and it came up like new
Nice!
Another excellent video! Thank you!
I dig those video so much. More please
Better than watching p.rn ^^ Crazy how gold can stimulate our brains, made in super novaes only for our pleasure! MAGIC!!!
Enjoyed the video, thanks!
Nicely done. Atomization of alloyed gold and chlorination of hydrochloric acid is desirable because the gaseous emissions are easily scrubbed and abated. You chlorinated with gas and it's also possible to use perchlorate directly in the reactor instead but clearly the use of gaseous chlorine as the oxidizer is cleaner, resulting in a quick dissolution and fewer contaminants.
I love gas reactions - so much cleaner.
@@sreetips Long ago, in the 1980s, Tanaka of Japan built a facility that atomized gold alloys into a 300 mesh powder that was loaded into a glass lined reactor charged with hydrochloric and chlorine was injected while agitated. The system was vented to a water adsorber and caustic scrubber in series. The solution was pumped, filtered and precipitated with sulfur dioxide. That facility was one of the first to put those unit operations together in a production facility. Those characteristics facilitate a dependable robust seriers of processes with minimal emissions.
Hello Mrs and Mr sreetips.
I love this clip sir
Thank you😊 Arne
Hello Arne.
@@sreetips Hello Mr sreetips. I whis you both a nice evening 😊🌼
Arne
Hello Mr sreetips.exelent work sir😊. God bless your wife and you. Hello sreetips famely🎉
They are called transitional errors they are hard to find theirs only about 20 of them
I think that the aqua regia make a better drop this one barely turned black excellent video awesome experiment thank you for sharing this six stars
To me it always looks like the rinse at the end could be a little less "rushed" to prevent the amount of gold washed into the waste container. I know you don't rush and the waste is refined aswell in time.
Are you loosing much Cl2 out the top of the reaction beaker? Might be worth giving the bubbles more time/surface area to dissolve.
Awesome video and nice gold bar thanks for sharing sreetips
Such elegant, pure method of gold dissolving!
But definitely, you waste a lot of chemicals and chlorine, the rate of gas production for such reactions should be such, that bubbles coming from tube dissolve and disappear before floating to the top of the solution. I remember someone in the past who wrote a comment about using a big flask filled only to 1/4-1/3 for this, bubbling to the moment all air is displaced from the flask by chlorine, and then stop generation and stirring to the moment chlorine is used up.
An alternative could be a tall and narrow vessel, so gas needs to bubble through more mixture and gets more absorption and reaction time.
I hoped only that at the end you will precipitate gold with SO2, making it full gas workup XD
I was going to do that but I ran out of time.
@@sreetips Time is precious. Still, it was mesmerising!
I’ll repeat and do an SO2 gas precipitation.
Chlorine is a nasty, reactive chemical. I love how it rips out Au ions from solid gold like it's nothing special. :)
I like the water gas trap you have there. That's a nice precaution.
Gooood afternoon from central Florida! Hope everyone has a great afternoon!
Goooood afternoon!
Hello David,and sreetips.hope your doping fine both og you😊 Arne
@@arnedalbakk6315 Hi Arne! Nice and hot here in Florida. We are expecting some thunderstorms later today. How's is your weather in Norway?
Doing 😄
@@DavidDavis-OU81TWO stay safe mye friend.
Bleh, i was hoping that when you dissolved the Gold with gas, that you would bring it back with gas. Nope, stump out. Fun one, ty for taking us along
I’ll do this again. Was thinking of it here. But ran out of time (it was getting late and I was tired).
He thoroughly enjoyed this video
Hey Sreetips, I wonder if a gas dispersion tube would help diffusion of the chloeine gas allowing faster and more thorough breakdown of the gold.
I remember in one of your past videos, you dissolved the SMB in water, filtered it, then precipitated the gold with the solution. I thought it gave great results, I was wondering why you don't use that process each time? It seems to me like it would never be a bad idea to filter/purify a chemical powder that is meant to be thrown on a tree stump, in case the manufacturer wasn't as careful as they should be.
It adds an extra step.
We’d be bored stiff if the process and video was the same, some would say
I think i missed something. How did 37 g of gold powder and 11 g of gold ribbon which is 48 g make over 48 g? You were expecting more. Plus not all of it dissolved.
he did say "about 37 grams" of the powder gold.
37 grams was the estimated yield, it’s usually a little low, but sometimes it’s a little over. Karat gold and is an alloy of gold, silver, copper and zinc.
Thank you for all of the very interesting videos.
The city water that we have is fairly hard and actually contains grit from the city wells. Are you using a purified water to make the ice?
The stump remover used to precipitate the gold at the end, any concerns related to impurities getting into the gold?
Just trying to understand which aspects are important or not. Thanks
Tap water ice. No concerns
Great video Sreetips! Just one question though. Did you " grease " the addition funnel with HCL at the joint before adding it to the beaker? I've seen many professional chemists lubricate joints with the relative solutions that they're working with ( ie - HCL when using HCL, H2SO4 when using H2SO4 ) in order to make a good air tight seal.
I used a little water.
I spread a thin layer of vacuum grease then wipe it off.
@@sreetips I didn't think about that since what you were working with wasn't water sensitive.
I wonder if a flat glass plate with small holes in it, in the beaker, with the gold on top of it and the bubble tube underneath, would give you better contact surface area
An aquarium CO2 diffuser might be the easiest way to make smaller bubbles and dissolve more of the chlorine gas into solution. Agitating the gold will speed up the process but not change the yield or chlorine consumption. Using a more robust magnetic stirrer or a mechanical shaft stirrer would be my choice for keeping fresh solution in contact with the metal. It does not really matter if it only dissolves gold on the surface only except for some small saving in time.
Do the tablets have more free Chlorine than the already powdered stuff for pools or the powdered stuff not available in your area?
Yes, the next highest was only about 46% so I got the tablets at 84% because its easy to crush them up in my ten dollar, yard sale, mortar and pestle
I have been watching your content a long time and I'm still today I find it just as fascinating today as I did the 1st time I watched years ago my kids and wife enjoy your content just as much with that said I would love to have a piece of Sreetips memorabilia no precious metal or anything but perhaps a piece of used "waste" like a "fingers board" you processed with your stamp on it or anything like that we don't have a lot of $ these days due to the whole made up medical stuff going on past few years but could pay shipping or whatever if possible if not it's ok my friend just keep on doing what ya doing you have some of the best content on UA-cam for sure you in the top 2% of quality content on the entire channel. From East Tennessee we hope you and yours have a wonderful day.
What is the mechanism involved here compared to aqua regia? Merely increasing the concentration of Cl- ions such that they attack the gold? Also RE: efficiency, I suspect something like the chamber process could be used. Put just enough distilled water in with the gold (no HCl), then fill the chamber with an excess of Cl2, seal it and wait.
Love that poured shiny
You forgot the stannous my man 😂
Excellent observation. It’s important to do it every time. But after refining a thousand ounces of gold, I can tell when it’s done. But when the whole world is watching, I should do it every time.
@@sreetips Brother I don't care about the stannous, I just love to see you forget it :D
Amazing video Sir … there is always something new to learn in each video
LOVE your videos man keep it up! where can I find your eBay?
Nevermind you answered it later in the video. Thanks
I watch all your videos and i always have a question in my head. it might be a stupid question but it drives me crazy. You ended up here with 48grams of gold at the end. how much however does the gold powder weigh if its dried and before its melted?
Also and this one really gets me. when you have the gold solution dissolved completely sat in approx. 500ml of solution lets say. Does that 500ml of liquid in that container weigh 48grams more than an identical container just with 500ml of liquid and with no gold dissolved solution ?
like i say might be really stupid but it drives me crazy thinking about it
It’s one for one, less any losses. Gold in solution will have more weight compared to the same volume of liquid with no gold in it.
Next time you need some gas for dissolving something, give me a call.
Prepare a pot of chili, give me 20 minutes and i'll produce some highly toxic and corrosive gas for you (for free 😁).
Thank you for your great videos! I ❤watching sreetips!
That’s more along the lines of emitting odors - odorous. Thanks for watching.
Love to see more gold ribbon dissolved maybe in aqua regia
20:52 brought taco bell to mind. Neat video, interesting process.
Besides not having the nitric acid in the solution, are there any other benefits from processing the gold using this method? I enjoyed the experiment, but I can imagine chlorine gas is rather dangerous to work with if not careful.
No, that’s the advantage.
Cool stuff Sreetips.
@6:50 Could you use an upside-down glass funnel in the beaker to increase the liquid-gas surface area and the contact time of the chlorine gas ? THX.
Anything that keeps the chlorine in there would be beneficial.
Getting good at pouring those bars.
That’s a beauty
Would like to see a case where lead actually comes out
I see you use a different Watch glass , What is it called? . I wonder if Mixing HCL with Clorox if I could generate more Chlorine gas
I enjoyed this video, as I do all of your videos.
I have a question.
Because common salt is Sodium Chloride, is there a way to extract the Chlorine from salt to produce the gas needed to dissolve the gold?
Electrolysis of salt solution will produce first bleach, and then sodium perchlorate, which could be used to produce chlorine gas. Or you could just use the perchlorate or even the bleach to dissolve the gold. If the point is to refine gold with household chemicals just use bleach or hydrogen peroxide. As long as you have the HCl to solublize the gold ions, any descent oxidizer will do.
Using tca (pool chlorine tablets) is the way I learned it on the goldrefiningforum.com
@@sreetips Thanks Sreetips.
Woow🎉🎉🎉🎉🎉🎉🎉234k melbers😊. Come on folks.....
Could you use the electro method to for plated goal?
He did that in his last video. It's not exactly the same the gold would stick to the stainless I think, he used titanium as his cathode I think.
Any Book recommendations to help learn the process of refining precious metals
C.M. Hoke - search it PDF download all over the internet.
Is it possible to make a gold cell set up, same as a silver cell ?
Go back 1 video.
Im guessing by setting your hot beaker in a dish keeps the breaker from cracking
And it will contain the liquid if it breaks
So, I see that you always wash the gold after the stump out precipitation. What would happen if you just dried it as is and melted? Just curious
There would be sodium metabisulfite crystalize out as a white powder on the gold. It tends to harm the fused silica melt dish. So I try to get as much off as I can before melting. But I could go right straight into the melt dish sopping with SMB all over the gold. It don’t hurt the gold any.
Loved the video sreetips, look forward to the next one!.
I'm pretty sure they sell powdered chlorine instead of tablets. I know because I used to make my own reactions back in high school.
Yes they do. But the percentage of available chlorine was only half that of those tablet. And with that large mortar and pestle (ten bucks at a yard sale) it’s quick and easy to turn those tablets to powder.
Have you ever made a video or performed any experiments for gold recovery with gold plated alloy 25 electrical contacts/pins? (Biryilium copper)
Yes
@@sreetips do you have a link to it by chance? I couldn't find too much info on grmef on it. We've made a bunch of military connectors (u-185b/g image pops up on google) that they no longer buy. And i have tons of new unused contacts and completed connectors. Has 104 alloy 25 copper flash, sulfamate nickle .00005, gold plated .00005 contacts per connector, lead soldered to a circuit board that's covered in a hard potting. We had all this made back in 05 when gold was only 475 an ounce. I'm trying to learn as much as I can about recovering from plated alloy 25 contacts. Any references or info you provide would be greatly appreciated. Thank you
Would be cool to see some rolling action. Awesome if you got a punching and stamping machine
There seems to always be some condensation on the beaker lid. I was wondering if it is it acid or water. Just curious. I didn't get to take chemistry class when I was a kid.
Condensation will usually be from water vapour so close to distilled. Water would not be an issue but if there is some splashing it could be the metal solution and contain some values. The amounts of loss would be small but it is simple enough to wash them into the place you want rather than down the drain when you wash the glassware. If it is a strong acid then it is better to rinse the drops into the beaker rather than have them eat holes slowly into your counter top where they may drop.
The kid acts as a reflux condenser and guards against trash falling into the reaction.
When u going to do that old stock pot video my man 💪
Coming soon.
While I like that it saved on rinsing in the end, seemed like it took more effort up front with the gas generation. Had me a little worried it wasn't going to work in the beggining!
The problem was my inexperience. I dripped the first 250ml of hydrochloric acid into the slurry much too fast. After the reset I pulled the drip way back and that same 250ml lasted greater than 3 hours.
@@sreetips excellent result! Do you feel like it cuts down on waste or does it create a new type of waste to process?
Sreetips your a genius but where do you get all your bulk gold also you need to start a gofundme to build a bigger lab I will chip in
We buy scrap gold at local sales. At my level, the hobby level, my shop is the perfect size for what I do. But thank you for the thought.
Chlorine Gas Oh Man that stuff is Dangerous. Please be care full.
What would you be left with if you didn't precipitate the gold out? If you just let the gold solution dry out? Would it just be bright yellow crystals that you could rehydrate later?
Yes
@@sreetips that might be a cool experiment. I'd definitely buy some crystals. Do you know the chemical makeup of such a thing?