Making 98% Concentrated Sulfuric Acid from Epsom Salt - DIY
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- เผยแพร่เมื่อ 26 ก.ย. 2024
- In this video tutorial, we demonstrate a detailed process to synthesize 98% concentrated sulfuric acid using readily available Epsom salt (magnesium sulfate). Follow along as we break down each step, from gathering the necessary materials to executing the chemical reactions involved. Perfect for chemistry enthusiasts and DIY experimenters looking to expand their knowledge and skills in practical chemistry.
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#DIYChemistry #SulfuricAcid #ChemicalExperiments
Gotta love electrochem. I'm making zinc powder in a cell right now and my next divided cell is going to be for the reduction of nitroguanidine to aminoguanidine.
Nice! Keep it going!
I’ve always seen you around stating some of your cool projects, why don’t you ever upload them on YT?
@@Polkem1 I'm filming the series on making guanidine nitrate, nitroguanidine, and aminoguanidine now. I just need to finish up the arsenic pigments I'm making for another channel. I'm also really awful at making videos, but I'm working on it!
How does that work that I need to know
Great energetics
I have watched several electrochemical sulfuric acid production videos, but in my opinion, this is by far the best video. Very well organized and the description and tables shared really brought the process together. Thank you so much for your time and work, this is awesome. Keep it up. Cheers!!
Thank you! Please, share the video.
Did you test it?
@@suprememasteroftheuniverse
I showed in the video a test on a paper towel. I also used it to make nitric acid (like here: th-cam.com/video/NHBDXtn7pjA/w-d-xo.html) when there was a shortage in store where I usually buy sulfuric acid as drain opener. The resulting nitric acid was working the same as usual.
@@BlueMoonshineDoes this chemistry relate to lead acid battery restoration using Epsom salt?
@@RandyCampbell-fk3pf
Probably. Look at this lead-acid battery that I made. It also involves a lead-dioxide electrode, the other one is a standard lead electrode: th-cam.com/video/0zQYJJz89Wo/w-d-xo.html
Excellent video. Clear and concise. The explanation at the end was fantastic, I love knowing the why in addition to the how.
Thank you! Please, share the video if you can!
Nice work, thank you. Thanks for going through all the reactions. It's so easy to treat electrolysis like a recipe, learning by rote and just repeating what has worked before. It makes it hard to spot problems when things go wrong. The most favorable reaction at any given moment can change due to temperature, voltage, contamination, chinese electrodes, etc. Knowing what should be happening is not enough, you need to know everything that can happen, and under what circumstances.
its really interesting how metal etching, making a battery, metal plating and now chemical purification are so similar
Yes along those lines is this why some people say you can rejuvenate a lead acid battery with Epsom salt? Are they just making new acid to make it appear the battery is rejuvenated?
like the t-shirt. as an engineer i'd probably say the glass has an air/water c.o.p of 0.5 but yes, it is definitely full.
I used to do the copper sulfate method but this is much better for bulk production
It's the unglazed pot that makes the difference and did this some years ago when the interest was for a home-made lead/acid battery. I guess we only produce the concentrated sulphuric when really necessary. As an aside, for the battery acid, if we leave whatever concentration we have open to the air, atmospheric moisture will produce an equilibrium giving (from memory) S.G. 1.33 and 1.28 is optimum for a battery as the acid/water mixture has greatest conductivity.
Interested in your channel, keep up the good work!
Amazing explanation professor. Very informative and the math breakdown was easy to follow. Looking forward to more content!
Thank you, please share the video!
idea: try to roughen up the copper rod, to get a bigger surface (use K60 paper).
use graphit electrodes. yes they degrade faster, but they may be more effective
very good video!
Thanks very much!
the reddish hue likely results from dissolved Fe3+ from the clay pot
That makes sense. Thanks!
Explains why it doesn't filter
@@Dude8718
We can filter only particles that are in suspension, not dissolved. But in the present case, it turns out that the pollution that is responsible for the reddish color is dissolved.
@@BlueMoonshineoh i know, that was a statement not a question lol thanks tho
Great video. One request - for the sake of those less careful and experienced such as yourself, it would be good if you wore and discussed protective equipment such as butyl gloves and eye protection. You may have quite young viewers. Otherwise, very well presented. I subscribed.
No, natural selection is better
That end result was crazy, considering how it was made. Thank you.
You're welcome, please share the video!
I believe the liquid level in the anode chamber decreases mostly due to simple osmosis through the semipermeable clay pot, since the cathode compartment is full of strong salt solution and the anode compartment is very dilute.
That makes sense!
I can see the osmosis possibility but I was a little surprised the product was a little pink. Interesting.
@@BlueMoonshinedude i like your vid but first pls make a video about this but with a high yield😢
@@SayaialahBeliau
Well, nothing is free. You need to scale everything up! I'll try to make a video on it, but right now I'm focusing on the method rather than the optimization of production.
@@BlueMoonshine thanx dude🥺🥺
this is really cool, ive seen alot of videos of people making sulfuric acid by electrolysis but they never concentrate it
Please, share the video on your social networks.
Ah yes youtube, i was beginning to run out.
If this is sarcasm, then you completely missed the point of the tutorial!
@@BlueMoonshineNo sir, as I feel the same way I can express the same sentiments. Excellent video, the algorithm actually recommending good videos by actual humans.
Electro chemistry is cool, I didn’t realize that until I started watching your videos
Do a simple titration rather than trying to determine the specific gravity. MUCH more accurate, just as easy..
Now it can finally fill my motorcycle battery with fluid 😂 nice video i might try this just for the experiment
Well, batteries use only 30% sulfuric acid, so you end up with more acid. Check this link: th-cam.com/video/0zQYJJz89Wo/w-d-xo.html
@@BlueMoonshine it was a joke yeah I know
In our setup using sodium sulfate (Na₂SO₄) with a Nafion 117 membrane, the process involves separating sodium ions (Na⁺) from sulfate ions (SO₄²⁻) through the membrane. Here’s how this process generally works:
Nafion 117 Membrane: Nafion 117 is known for its selective permeability, allowing certain ions to pass through while blocking others based on their size and charge. In our case:
Sodium ions (Na⁺), being relatively smaller, can pass through the Nafion 117 membrane.
Sulfate ions (SO₄²⁻), being larger, are less likely to pass through the membrane effectively.
Electrochemical Setup: In an electrochemical cell or setup with Nafion 117 membrane:
When a voltage is applied across the cell, sodium ions (Na⁺) migrate through the Nafion membrane towards the opposite electrode.
Meanwhile, sulfate ions (SO₄²⁻) are mostly retained on the other side of the membrane due to their size and charge.
Product Formation:
On the side where sodium ions (Na⁺) migrate, sodium hydroxide (NaOH) can form if water is present, due to the alkalinity of sodium ions reacting with water.
On the side where sulfate ions (SO₄²⁻) remain, sulfuric acid (H₂SO₄) can form through appropriate chemical reactions, often involving water and hydrogen ions (H⁺) resulting from other processes.
Purpose and Applications: This setup can be utilized for various applications where selective separation of ions is required, such as in electrolysis processes for generating sodium hydroxide and sulfuric acid separately.
Therefore, in our experimental setup with sodium sulfate and Nafion 117 membrane, the membrane allows for the selective passage of sodium ions (Na⁺) while restricting sulfate ions (SO₄²⁻), facilitating the separate production of sodium hydroxide and sulfuric acid on opposite sides of the membrane. This process is based on the membrane's ability to control ion transport, which is crucial in various electrochemical and separation applications.
Key Points:
Low Solubility: Magnesium hydroxide has low solubility in water, forming a suspension rather than dissolving completely.
Formation: It can precipitate out of solution when magnesium ions (Mg²⁺) react with hydroxide ions (OH⁻):
Magnesium hydroxide (Mg(OH)₂) reacts with sulfuric acid (H₂SO₄) to produce magnesium sulfate (MgSO₄) and water (H₂O).
Your process can be further optimized, because I suspect that MgOH and Sulfuric Acid are being manufactured on the one side, and sulfuric acid on the other side, and then MgOH and Sulfuric acid cancel each other out converting back to Magnesium Sulfate, etc.
I suggest reversing the polarity, and using Sodium Sulfate, because Na+ is small enough to pass which will create Sodium Hydroxide within the flower pot leaving behind sulfuric acid that can be distilled to the desired concentration and purity.
~ Cheers
Ebay
you have distilled water inside the cup with a high concentration of Epsom salts in solution outside of the cup. osmosis is pulling all that water out
That's right!
thanks brother I really enjoyed watching your video. Please keep making videos like this
More to come! Please share the video!
Thanks for sharing!
Very entertaining and informative, thank you for sharing this with us today.
Glad you enjoyed it. Please, share the video on your social network.
Very nice, thanks!
You're welcome! Please, share the video!
The pink of the solution is due to permanganate formation.
Where would the manganese come from?
There is a trick and im going to find it ,thank you
A trick to what?
Love your content so great to see actually. Have you done anything with Selenium dioxide? looking for ways to make or attain Selenious Acid. for rust proofing tools. its tricky to get in any small quantity and I do not require a ton at a time lol
I haven't looked at this yet, but I can add it to my to-do list.
nice. thanks
You're welcome.
Shall try for old crucible residues.
Subscribed! Hi from Brazil!
Thanks for following me!
It was making me nervous when you were pouring the concentrated acid out when you don’t have acid resistant gloves on. A friend of mine, spilt, concentrated sulfuric acid on his hand, and it took him a few seconds to rinse it off, and a massive ugly blister formed that was very black, and it was a terrible injury. Please be very careful.
Imagine if you got that stuff in your eyes oh my God, you be blind for sure
I agree for the eyes, and I was wearing goggles. But for the hands, it really is not a big deal. I give the proof here: th-cam.com/video/WzRk6nq9zBc/w-d-xo.htmlsi=_aZGczOb9TVhznwx
Im not an Expert as like you. but please use safty googels and gloves. Becase we need to see this wonderful things further...
Thank you for sharing these things with us...
Yes for the goggles, but no gloves is not a big deal. Watch this: th-cam.com/video/WzRk6nq9zBc/w-d-xo.html
Fantastic video, thank you.
Thank you! Please, share it on your social networks!
Thank you for the very good explained video! I missed a bit the safety equipment.
Sulfuric acid is not a big deal. Watch this 2-minute video: th-cam.com/video/WzRk6nq9zBc/w-d-xo.html
Wearing goggles to prevent acid splashes in the eyes is enough.
@@BlueMoonshine What about when it's boiling hot? th-cam.com/video/4DUGRWjdNLI/w-d-xo.html
Water leaves the pot because of osmosis. You have concentrated solution outside and distilled water goes out to dissolve it making equilibrium.
Good video... thank you!
You're welcome. Please, share it on your social networks.
QUESTION about preventing the clay contamination: What are the properties the pot needs? Conductivity, acid resistance, and NON-porosity? (I’m assuming any metal vessel would corrode and alter the solution.)
The pot, in addition to being acid-resistant, needs to allow the flow of ions while preventing massive flows of the mixtures.
@@BlueMoonshine I think the pot you used is earthenware, and I can suggest trying either stoneware or porcelain that has only been “bisque-fired”. The earthenware is mainly clay, red iron oxide, and silica, like most clays, but it is not designed to vitrify. Vitrification means that the silica present in the clay has all melted, cooled, and welded together all the other materials in the mix, making it waterproof. Knowing that you need some porosity, but greater integral strength in the pot, you could try using stoneware that has been bisque-fired (this is literally “half-baked”, so the clay is partially vitrified, setting the form, but not yet fully vitrified, and not waterproof, but quite porous instead). Since stoneware is designed to vitrify, and earthenware is not, I suspect that the bisque-fired stoneware would be stronger, and less likely to contaminate your solution. Additionally, stoneware can be bisque-fired within a range of “cones” (which are a measure of heat work, used in all ceramics), and a piece that is bisque-fired to a higher cone will be more durable and less porous, so you might be able to find the sweet spot of balancing the two.
Finally, I don’t know the importance of the red iron oxide for the ion flow, but it might help. If so, stoneware clays come in a wide range of iron content, and choosing one that is “buff, red, or black” will increase the iron content, in that order.
Happy to clarify if it would be helpful.
Thanks for the video!
@@charlieevergreen3514
Thanks for the information, I will have to think about this!
Use handy math online calculator to see the concentration. I did it for you and estimate that the concentration is 8.26% by weight if the temp when measuring density was 25c
So, my estimate was already good.
Lead salts could also be causing the coloration, and possibly copper if any of the cathode solution got into the anode bath.
But the lead dioxide electrode is supposed to be inert for those reactions.
Hi and thank you for the informative video! What confused me was, weren't you supposed to get close to 54.4 ml of sulfuric acid, instead of 5 ml? Did something go wrong or did I not understand something
The value 54.4 ml that I calculated was an upper limit. That's what we would get if everything was perfect. But the separating membrane (the clay pot) is not perfect, it lets some of the sulfuric acid leak out and some of the magnesium hydroxide leak in. The acid reacts with the magnesium hydroxide and gives back Epsom salt and water. So the reaction never goes to completion. Also, some other reactions take place and by products are formed instead of sulfuric acid.
if you make a zinc-air battery, you can use zinc-sulphate water with steel and carbon electrodes to both load up zinc and generate sulfuric acid and oxygen, with electrolysis electroplating. magnesium sulphate should be a magnesium-air battery btw. oh it does not generate magnesium metal as plating electrolysis.
wow 1l+246g => 5ml, thats crazy, I was expecting 300-500ml lol guess thats i failed chemistry!
If that's what you think, then you completely missed the point of the tutorial.
Very good 😊
Thanks!
10:49 Perhaps physics should be used in this case. If you push 1 Amp through a solution, the solution will heat up considerably, ergo evaporation.
No, we can rule out this hypothesis because evaporation is proportional to the area of contact with the air. Thus, if the water level in the clay pot decreases by 50% due to evaporation, then the level should also decrease by the same amount in the main dish. But that wasn't the case. It turns out that what actually happened is osmosis: Water from the clay pot was sucked out by the solution from the main dish which becomes hydrophilic.
It will works better lead anode and titanium mesh cathode. I could get 1 liter 98% sulfuric acid every 3 weeks by scaled up this method.
Lead anode will corrode, and cathode doesn't need to be titanium since copper is perfectly stable.
Lead plate (2mm) anode is actually corroded but It is well tolerated due to the lead oxide (IV) deposited on the surface.
In addition, my system was dropped titanium mesh cathode ($1/pcs) in pot and thus it can remove magnesium hydrate from cathode in pot.
Finally, several liters of about 25% sulfuric acid would be obtained from the container.
nice
The water could also seep through the clay pot it is porous
What is used for lead probe
Lead dioxide. Here is how I made mine: th-cam.com/video/tzyUda3upHI/w-d-xo.html
Handling 98% H2SO4 without gloves - is this a good advice for beginners?
98% sulfuric acid on your hands is not a big deal. It is not fluoroantimonic acid.
@@BlueMoonshinetouch it then, go on. We'll all learn from that mistake.
@@LachskoenigIV
It get sulfuric acid on my hands almost everyday!
(I will make a video soon to prove that it is not a problem)
@@LachskoenigIV
Here is, as promised, the video: th-cam.com/video/WzRk6nq9zBc/w-d-xo.html
Note that in the video I mentioned that some people accused me of lying when I said that it is not a big deal of having sulfuric acid on my hands. I want you to know that I am not referring to you.
@@BlueMoonshine uhm, well I don't know what to say honestly. I've had just a little drop of 30% concentration on my lab coat in chemistry class way back in school and it ate right through the lab coat, jeans and underwear. I'm honestly baffled now.
Could you speed up the electrolysis by adding some dilute H2SO4 into the clay pot?
Yes!
epsom salt + copper + electricity : remove magnesium that will sit in the clay pot, then when u have copper sulfate reduce it and get the acid in the pot ... copper ion will not go trough the clay pot, that why in first place u end up with the magnesium only in the clay pot at the stage epsom to coppersulfate...
"remove magnesium that will sit in the clay pot"
There is no Epsom salt, hence no magnesium, in the clay pot to begin with.
I think the water level in the pot dropped because of the osmosis, the solution outside is quite concentrated so it could just pull distilled water through permeable clay. Also, the potential of a galvanic battery is the cathode potential minus the anode potential. If we calculate it that way, it should give about 0,4 V instead of 2 V. Is electrolysis different than battery?
Also the color might've disappeared because it came from the electrode, when you heated the acid it oxidized the carbon particles. Inorganic contaminants like iron from the clay pot would persist, it was most probably something carbon based.
@@zenongranatnik8370
"Also, the potential of a galvanic battery is the cathode potential minus the anode potential."
Be careful! It is the cathode REDUCTION potential minus the anode REDUCTION potential. This is equivalent to what I did, which is the cathode REDUCTION potential plus the anode OXIDATION potential.
The distance between the electrodes should matter.
That's what I was expecting, but the current barely changed when I varied the distance.
whi not use 5 Amps ? The the process should fästen bi factor 5 ? I guess it's not possible, but please explain whi ?
In order to use 5 amps, you need either larger electrodes (plates) in order to reduce the resistance, or increase the voltage. But if you increase the voltage, you also increase the probability for unwanted reactions to happens, and this will generate pollution of the product.
@@BlueMoonshine Thank you again, big massa of chemistry.
Hi Sir how i can buy all these product onlinbe or from local store in usa ... can u please list all product with website to buy from
The only product you need is unscented Epsom salt, which you can buy at Walmart or online. Simply do a Google search.
@@BlueMoonshine is this recovery gold need any special license to run from home and how about the chemical west how can i get drop it in facility ?? thanks
@@palazzo5875
Please, ask you question on the related video. The present video you are commenting on has nothing to do with gold recovery.
I'm curious how this would work with sodium metal bisulphate, because you have 2 sulphate ions.
Id love to do this myself, but I'm bad at documentation and knowing what exactly I did last week.
I'll add this to my list of to-do experiments.
@nunyabisnass1141 mix the sodium metabisulphate(ph-down, from a pool supply store) with hydrochloric-acid, and then boil away the water like in the video. It's proberly the most efficient, and easiest way to make sulphuric-acid, as an amateur chemist with no access to controlled/regulated chemicals.
I’ve tried this experiment before and only seemed to get about
Did you watch the tutorial entirely? It shows that I get first 8% sulfuric acid, but then I concentrate it to 98%.
If we use NaCl instead of Epsom salt using the same electrode setup, will this make Sodium Hydroxide ?
Yes, you will make sodium hydroxide in the cathode half-cell, and sodium hypochlorite (bleach) in the anode half-cell.
Could you do the same experiment, but actually contain, and properly store the escaping gas molecules?
I guess I could. But since the escaping gases are oxygen and hydrogen, it would be simpler to do the electrolysis of dilute sulfuric acid. No split cell necessary.
@@BlueMoonshine showing off how to separate the different gas molecules would also be wonderful.
Tks for getting back to me by the way. I really love your videos, even if the equipment for chemistry is too expensive for me to make a hobby out of it.
@@Parsosti
I will add this to my to-do list of videos.
BTW, if you are talking about the distillation apparatus that I use in other video, I got mine on eBay for only $65, brand new (without the heating mantle). It came from China in no more than 12 days, and it is good quality. @Nurdrage has a video that explains how you can build a heating mantle yourself.
@@BlueMoonshine tks for the tip. But my main issue is finding a decently cheap basic chemistry kit. Glassware is usually pretty expensive when you actually have funds. Since most of mine tends to go to rent... you get the picture right?
@@Parsosti
Yes!
Whi not boil onli with a bunsen-burner ? Or until hundred degrees ? The water would go out
as well ? whi 357 Degree ?
Pure water boils at 100°C. When mixed with sulfuric acid, it is no longer pure. Sulfuric acid is a strong de-hydrant. It doesn't want to let water go, so as the concentration of sulfuric acid increases, the boiling temperature increases too. When the concentration reaches 98%, the boiling temperature is 337°C. You cannot concentrate above 98% by this method, because sulfuric acid and water form an azeotrope. At 98%, both the sulfuric acid and the water boil at the same time.
@@BlueMoonshine Thank you, big massa of chemistry...
Is the lead dioxide critical - or could a lead metal electrode be used?
Lead 'contamination' is OK as it will wind up in a lead-acid battery anyway...
Graphite or lead will work fine. You will be able to remove most of the contamination by filtering. Copper on the other hand won't work, as it will turn the Epsom salt into copper sulfate, like I purposely did in this tutorial: th-cam.com/video/XGEv9RGrvNY/w-d-xo.html
@@BlueMoonshine Nice, I also saw another video where it was stated that the metal forms the dioxide coating, and in that video they just used graphite electrodes, but there was a lot of junk in the product, so i'll be using lead strips...
Was planning on using this to precipitate lead from gold I was refining. Would using this cause my gold to become impure because of impurities in it?
Not sure I see the connection. Usually, in order to precipitate gold, you need first to dissolve it in Aqua Regia, which is a mix of hydrochloric and nitric acid, then precipitate the gold by adding sodium metabisulfite. No sulfuric acid nor Epsom salt involved, so I really don't see the connection.
You may want to watch my tutorial on how I refine gold: th-cam.com/video/NMzDeBDQUHc/w-d-xo.html
@BlueMoonshine Ik how to make aqua regia and all. I have not only muriatic acid and hydrogen peroxide but also nitric and hydrochloric acid because I was planning on growing gold crystals using electrochemistry. The sulfuric acid is added after refining (a few drops) but before adding smb to make the gold that drops even more pure. I was also going to be using s02 gas as well because it drops the gold faster and while smb will give you very pure gold s02 gas works way faster and will be even more pure
@BlueMoonshine most of my gold refining I wound up learning from sreetips on TH-cam and cryptanaki on tiktok but I still do have some stump remover on hand
@BlueMoonshine also one more thing I was wondering; my hotplates don't reach up to 337°C which is 639°F so they won't get hot enough to boil the acid. Is this a good thing because it will only evaporate water and all the other impurities or does it HAVE to be hot enough to boil the acid specifically?
@@Deku-ue3bu
It's hard to tell. It depends on the type of impurities. Some will boil off below 100°C, some will boil off above 100°C. Also, the concentration of your final sulfuric acid will depend on the temperature that you can reach. You can find some tables on the web that give the concentration of sulfuric acid as a function of its boiling temperature.
sulphuric.
Here in the US we spell it "sulfuric".
What are the alternatives for membranes that can be used In a split cell like this one?
I've seen somene use agar before.
I haven't searched about this yet, but I'm sure there must exist some better membranes than the clay pot.
Agar might work but it might be single use which is fine unless you do the electrolysis often. You can look for ionomer membranes online like nafion but I'm not sure they'll work here. Also polyacrylamide might work.
not to mention evaporation....
I don't think that evaporation is the reason, because evaporation rate is proportional to the area of contact with the air, thus the levels in the clay pot and in the glass dish would decrease both by the same height.
If you liked the video please comment what are you going to do with it in your own lab fab :)
Examples of use are:
- Making flash paper and flash cotton: th-cam.com/video/ZEJKo7c_SJQ/w-d-xo.html
- Making nitroglycerin: th-cam.com/video/INUZdoGdF68/w-d-xo.html
- Making nitric acid: th-cam.com/video/NHBDXtn7pjA/w-d-xo.html
- Copper plating
- ...
Chemet is the old name of Egypt. Did applied industrial chemistry cause contamination of, and wholesale depopulation of, the Nile Valley @ 14 ka?
What does this have to do with the present video?
@@BlueMoonshine The great pyramid was a sulfuric acid reactor according to new evidence.
@@candui-7
OMG, looks like we have another crackpot here!
The hard way
The points of the tutorial are:
- Education in electro-chemistry.
- People in many countries don't have access to sulfuric acid in any form (drain opener, acid for battery, ...) because it has been banned, and the method that I propose provide them with an easy alternative. The setup can easily be scaled up to produce more.
Are you french ?
Belgian
Why do I want sulfuric acid again?
- To make a battery?
- To refine gold?
- To make nitric acid in order to make flash cotton?
- To synthesize other useful products?
Who knows?
Only real men play with 98% hydracloric acid without gloves
Sulfuric acid. It really is not a big deal! I get some on my hands on a regular basis.
Use: Drastic alteration of your worst enemy’s face.
Or use it to make nitric acid, which allows you to make nitroglycerin so that you can blow up that face: th-cam.com/video/NHBDXtn7pjA/w-d-xo.html
@@BlueMoonshine Go for it! I never thought of that. 💥👍
Hello Val I sent you a message to your web page
I got it and responded! 👍
my favorite is the double displacement reaction copper method it never gets old the chloride method is cool works but is messy messy
Auto stores sell battery acid, just conc. it at home.
The point of the tutorial is:
1) Education in electrochemistry through an easy-to-do experiment.
2) Many people live in countries where sulfuric acid has been banned from stores in any forms. This method then becomes a viable solution for them.
Seems like a lot of effort for a very tiny amount. The better what is to just use the contact process: create Oleum (SO3) and apply to water.
so3 + h2o → h2so4.
For now you can buy concentrated H2S04 as drain cleaner (usually around 92% to 96%). Just distill to get to 98% (Nurd Rage as recent video on this method).
ah yes because everyone has the necessary expertise and equipment to handle the famously safe reagent, sulphur trioxide.
@@viktorsarychkin8456 Is this because everyone already has the expertise & equipment to work with 98% H2SO4?!?
"buy concentrated H2S04 as drain cleaner"
That's what I usually do, but it is getting harder and harder to find some. Looked at Walmart, The Home Depot, Lowes, and it was impossible to find any for months. Lately I was able to find again some at Walmart, but with the government making new laws everyday in order to reduce our freedom, these products will soon completely disappear from stores. Same for the standard 30% sulfuric acid for car battery that we normally find at Autozone or O'Reilly.
Also, my tutorial is mainly intended for people living in the many countries where the access to sulfuric acid in any form is totally banned by their government.
@@BlueMoonshinePrecisely. Some European countries have banned it for regular consumers, and in the US, we are always one ignorant news story away from an angry mob demanding something should be banned.
@@viktorsarychkin8456I would never approach SO3, or chromates, or mercury derivatives. The great thing about nurdrage is how he often goes into safety, and risks, and I take stuff to heart. Even when you know what you are doing, mistakes and accidents still happen.
this is a whole lot of work for not much result. purifying drain cleaning seems easier & more direct. unless u have a really sensitive reaction.
You missed the point of the tutorial:
- Educational tutorial on electro-chemistry
- Many people live in countries where sulfuric acid in any form has been banned from stores, and this methods becomes a viable alternative.
Wear nitrile gloves at least while working with acid
98% sulfuric acid is not a big deal if we get some on our hands. Watch this for instance: th-cam.com/video/WzRk6nq9zBc/w-d-xo.html
@@BlueMoonshine Can you explain why nothing happened?
@@kawaiiintelligenceagency3889
For the first 2 minutes, the sulfuric acid spends most of its time reacting with the moisture of the skin, leaving the skin tissues intact. It stings a little bit, much less than when applying aftershave on freshly shaved skin.
It's all cool and nice until he handles the h2so4 with naked hands😅
If this is what you think, then you should DEFINITELY watch this 2-minutes video: th-cam.com/video/WzRk6nq9zBc/w-d-xo.html
@BlueMoonshine thank you! You definitely made a fair point. However, it is definitely not safe not to point out some sort of disclaimer for the people watching your videos. You might be safe doing your way, but it can be dangerous for others who try to replicate. That being said, I still appreciate your dedication towards science. Big thank you for the great explanation:)
What about a dean stark apparatus????🧪🔬🤔🤔🤔🤔🤔
I'm not sure I see the connection between the Dean Stark apparatus and the electrolysis in a split cell!??
Boy that’s some nasty stuff Sulfuric Acid. I thought you produced a very good video mate.😊10 out of 10 from me.😊 Time to make something, maybe a Battery 🪫? (LOL)😊
Here is how to make a simple rechargeable sulfuric acid battery: th-cam.com/video/0zQYJJz89Wo/w-d-xo.html
Did you pre soak the clay pot with distilled water first, that would have absorbed some water initially.
No, I didn't.
In order to remove water from a solution like this there is no need to heat it up more than 110 degrees Celsius. Water boils at 100 degrees and sulfuric acid boils at 337 degrees C.
As long as you have water in that solution the temperature can not go higher than 100 degrees ( at normal atmosferic pressure) regardless of how much heat you put in it ..
As soon as water molecules reach 100 degrees they turn into vapor and fly away taking that energy with them, that's why you cannot have more than boiling temperature in the pot as long as there still is water in it.
If you add more heat you just accelerate the boiling process and the water molecules fly away quicker as soon as they reach 100 C..
If you want to modify the boiling temperature then you must alter the pressure .. no other option (on mount Everest water boils at about 70-80 degrees Celsius depending on the exact altitude)
When the solution reaches about 105 to 110 degrees C at normal atmosferic pressure .. there is no water left in that solution .. guaranteed !
Great video - Cheers :)
This is totally wrong! When water is mixed with sulfuric acid, its boiling temperature changes. It depends on the concentration of the acid. Sulfuric acid is a powerful dehydrant, and it doesn't let water escape easily. The higher the concentration of the acid, the higher the boiling temperature of the water. At the beginning, when the solution is very dilute, the water will boil just above 100°C. When the concentration reaches 50%, the boiling temperature is 148°C. For 70%, it is 190°C. At the azeotropic concentration of 98%, the boiling temperature is 337°C. At this point, both the water and the acid boil and the concentration no longer increases.
@@BlueMoonshine Thanks a lot for your reply ! I obviously did not know this. I learned that theory from one of Neil Degrasse Tyson's videos where he explains how water behaves when heated to a boiling point. Of note is that in his videos he strictly refers to plain water and food making without saying anything about possible exceptions within certain chemical solutions that may contain water.
So apparently I wrongfully assumed that water will still behave the same way no matter which kind of solution mix we're talking about.
Is the sulphuric acid and water mix the only situation where the boiling temperature of water changes with concentration in that solution ? Or is this a general principle that applies to all water solutions or any other liquid chemical mix for that matter ?!
In other wards is my theory generally right with this being the only exception or is it totally wrong?!
Would highly appreciate another kind reply !
Thanks again for taking your time to reply and teach me something new !! 🙏
@@calind61
"Is the sulphuric acid and water mix the only situation where the boiling temperature of water changes with concentration in that solution ?"
No, it happens in many other situations. For example, when distilling alcohol, you can increase the alcohol concentration up to a certain percentage by distillation. The distillation temperature is around 70°C if I remember well. But as the concentration increases, the boiling temperature will also increase, and water will start to boil with the alcohol at a temperature lower than 100°C. This is again an azeotropic temperature, where you can no longer increase the alcohol concentration by distillation. Other concentration techniques must be used.
"In other wards is my theory generally right with this being the only exception or is it totally wrong?!"
It is generally wrong, I'm sorry. This is a well-known effect that has to do with the "entropy of mixtures". When two (or more) substances are mixed together, their individual boiling temperature can increase or decrease, depending on the type of substances.
"Thanks again for taking your time to reply and teach me something new !!"
You're welcome, and thanks for watching my videos.
Thank you, teacher.
You're welcome. Please, share the video!
Here's a thought. Drill a small hole in the lip of the clay pot and install a small tube that goes over the edge of the bowl and sits over another container. Now have a container of distilled water that slowly drips into the pot. So as it goes, water drips at an adjustable rate into the pot,and it overflows into the catch container through the tube. This will allow the constant removal of the product as the process proceeds. You could also make a similar drop and overflow system that adds a solution of epsom salts to the other side. Removing the magnesium hydroxide probably isn't an issue as it's highly insoluble which pretty much removes it anyway, so you just need enough space for it.
This is an excellent suggestion! Thank you for bringing it, I will definitely try!
@@BlueMoonshine id love to see the results. There's probably an optimal concentration of things in it and you can try to maintain that
@@michaelallen1432
Unfortunately I am traveling abroad, and won't be able to test this before my return in August.
@@BlueMoonshine that's not too far off.
Magnesium hydroxide is not insoluble. You confused it with magnesium carbonate.
Wow, very knowledgable! Thank you! 👍
Glad it was helpful!
Curious if we can use other anodes like platinum
Yes, platinum works.
Yes, platinum is better, but not everybody has one.
Great. Thanks y’all!
Will graphite work at all? Obviously it will break down gradually and contaminate the anode chamber, but will it even make acid?
How about another piece of copper, it resists sulfuric when dilute right?
@@deltab9768 graphite works but degrades with time quite fast. Copper doesn't work because anode dissolution isn't about acid. It's electricity that forces metal to go into solution making ions.
Nice! But zero personal protection when dealing with concentrated acid ? Not good.
I'm wearing goggles. For gloves, I suggest that you watch this 2-minutes video: th-cam.com/video/WzRk6nq9zBc/w-d-xo.html
@@BlueMoonshine I apologize! Not a chemist and made mistake of concluding 98% concentration of an acid would dissolve anything!
@@y0rkiebar
No need to apologize. It will surely dissolve human tissue, but it takes several days to completely dissolve a human body. Although it takes a few seconds to feel the acid on your hands slightly stinging, you still have a few minutes to calmly go rinse them.
nice find
I would love to see you do a saltwater electrolysis to yield Sodium chlorate. The potassium salt has been overdone, the main industrial production is salt to SC. This video was brilliant, and about 12.5 kWh is acceptable if you really need 100ml h2so4 azeotrope.
Very good! Especially if an impure acid will do. Personally, I’d wait and put the 8% acid in a gallon jug until it was full then work with 1 liter at a time and you should get 50 to 100 ml. Much better to work with.
Oh I had one more thought. What if you could put acid in very tall narrow vile and allow sediment to settle and maybe cement out a little. You could pipette the cleaner liquid from the top!?
"Personally, I’d wait and put the 8% acid in a gallon jug until it was full then work with 1 liter at a time and you should get 50 to 100 ml."
Sure, I was only showing the concept.
"What if you could put acid in very tall narrow vile and allow sediment to settle and maybe cement out a little. You could pipette the cleaner liquid from the top!?"
Certainly. Another possibility to get a pure acid is to distill it.
When using a clay pot as a membrane you should glaze the top (only the top 1cm is enough).
Its possible that the water loss in the pot is because of this as it actually can creed over the rim if it isnt glazed.
I dont know if the acid can also creep over the rim, maybe.
As others made me notice, the water loss is due to osmosis.
Could you add some copper sulfate to get the reaction to start more quickly at the beginning?
Yes, in the anode compartment, I guess this should work, the copper should migrate to the cathode. Or, you can save a few drops of sulfuric acid from the previous batch.
I have transported bulk,industrial (98%) H2SO4 acid in road tankers, and its really evil stuff.
But also very useful!
Praise me Allah! The women of this world with cloth their face tonight.