Concentrating Car Battery Sulphuric Acid
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- Опубліковано 13 вер 2024
- All this Sulphuric Acid taking up room.... Let's concentrate it down so we only have 1 bottle instead of two. Worked out real well. Need a smaller bottle!
What can we do with this do you think? Leave a comment.
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Although borosilicate glass have a higher heat resistance, resistance to temperature difference is only about 160 °C. Never heat the flask with strong direct flame as it can still crack. Better use more even heating such as heating nest/mantle or sand bath - this also saves evergy. The electric heater is probably okay but you can wrap the flask in tin foil to heat it up faster and more evenly. You can use glass thermometer to control the temperature.
You can add some boiling chips to improve boiling - things like broken glass or ceramic rashig rings will do.
Also note that mixtures always boil as mixtures to the initial vapours will always contain some sulfuric acid. This will be boiled off so use reflux condenser or fractional distillation if you want to save some acid.
The discoloration might be some salts (e.g. sulfates) that are easily soluble in water but not so in sulfuric acid, so they precipitate and make the solution cloudy.
idk how anyone hasn't said yet at this point, but 3.3 boro 100% can sustain a clean high-temp bunsen burner. You can literally work the glass up to 450C consistently without much issue (assuming quality glassware). Sulfuric acid boils less than 400C which means you can distill it within safe parameters of the glass itself.
No need to spread misinformation. You can just state facts and it's ok.
Even though I'm late to the party here, the cloudy appearance of the acid in the round bottom flask is a result of the acid dissolving micro bits of the filter paper, and then any surface contaminants on the bottom inside of the funnel, including the metal itself. Although 35% H2SO4 (battery acid concentration) is pretty low and won't eat into metal quickly. Any plastic funnel works just fine. And, you really need to get the special acid resistant filter paper that's sold. There's just no away around it unfortunately. I'm sure your concentrate is still useful though.
How can i make 98% or at least 96% sulfuric acid from car battery?
@@Gcity67k Hey. Using a glass container only, fill it with battery acid. Put a hot plate, or other heating element, outside (never indoors) and put the glass container with the battery acid on it. Then wait. Eventually water vapor will be seen coming off of the battery acid. It looks like typical steam, like when cooking on a stove. Eventually, and this will take hours, an opaque white vapor will begin to be seen. At this point you are starting to evaporate sulfuric acid itself. This white vapor is extremely toxic. Continue to let it heat with the visible white vapor for another 25-20 minutes. At this point turn the heating element off.
Wait until the acid cools down, but not until it becomes completely cold. If it becomes cold it will again start to absorb moisture out of the air which will start to dilute the acid you just concentrated. When the acid in the glass container is warm, pour it into another acid resistant container and cap it tight. Usually another glass container with a top that can be screwed down works well. Also, an empty wine bottle with a cork is good too.
You will be left with ~97 - 98% sulfuric acid. It will be a bit syrupy and slightly yellow. The discoloration isn't important and won't effect any experiments you do.
Good luck K T!
@@glennkrieger thanks alot man
@@Gcity67k go to nile red or nurd rage on utube for instructional vid. It takes a lot of lab equipment and is unforgiving. Another name for 98 percent is piranha solution
Id just use glass wool with celite or just by itself
Using metal funnel is a bad idea although the acid was diluted.... But you used that funnel once more when the acid is concentrated.... This bothers me a lot....
I work in a battery factory, we wear polyester clothes because the acid will not eat through it if we get it on our clothes. - Maybe a polyester filter? Don't know about concentrate.
Good to know!
"it's a little bit muddy" maybe because you poured sulfuric acid thru a rusty (metal) funnel😂 just sayin. continue tho.
+shanehuse Ha! Good observation! It didn't help that the concentrated acid ate straight through the coffee filters I was using! The acid was dirty out of the car battery I took it from too. The flakes off the cells as they broke down i imagine.
Gloves are a good idea esspeicly when handeling corrosive counpunds. As well as safety goggles and a mask.
It's funny to listen to the expert use a metal funnel
If you put sand in a pot you can heat up just about any kind of glass jar
But you shouldn’t heat any glass
@@blackferrets820 why not?
@@smilemore1997 borosilicate glass won’t suffer temperature shock other glass will mostly and acid everywhere is the last thing you want and just buy sulfuric acid way safer
@@blackferrets820
Some countries you can't get it as a normal citizen.
very risky having a RBF standing like that completely unguarded with a small creature running about
normally i dont comment on safety but this irks me massively
i am however surprised that you were even able to boil it down inside a flask like that, larger surface area- for instance an open glass pan would be much better for this
@@edwardelizabethhitler5611 are you saying sulfuric acid evaporates below 700*C?
@@edwardelizabethhitler5611 fair enough- but he didnt reach that temperature either. the decomposition will happen regardless and the gasses will exit regardless of the shape
its inefficient and an obtuse extra risk- downright abuse of the glassware
Concentrated Sulphuric acid is a much more corrosive and dangerous than the dilute one. While the dilute acid can be stored "quite" safely in most PE bottles, Concentrated acid will eat through them. When u use this for batteries be aware that you have to dilute it safely down again, before the battery case gets eaten away. (Always pour acid into water, because it's very exothermic.)
This comment is more to keep people safe, my beginner mistake was to store it in a PET bottle...
The stuff ate right through my wooden floor :P
You mean never pour sulfuric acid in water because it's very exothermic?
@@mrdojob do as u auter add acid to water. if u do it the other way round u asking for trouble lol
@@mrdojob no you always add acid to water because if you add water to acid it can flash boil and drench you in hot acid
i did exactly that, mine was 50% though. the acid got a sweet smell.
use a glass candy thermometer, as the water content goes away, the temperature will rise above 212 f. at 230f, there will be no water left in it, as it has turned to vapor (gas) above 212f. the sulfuric acid won't begin to boil away until you go over IT'S boiling point (over 600f). auto stores here have battery acid thats about 30%
Did not have one at the time but have since purchased one!
Fiberglass is a good filter for acid either matting or fiberglass insulation stuffed into the funnel.
Sulphuric acid eats paper, even dilute acid will get it torn apart.
Good on ya mate , Too many health and safety officers in the comments, if we had of had critics like that 100 years ago nothing would have been invented.
You know sulfuric acid corrodes steel, and even stainless steel? You are contaminating your acid with ferrous sulfate. Use glass or even just plastic funnels.
very slow rate, more of a worry that the steel will continue corroding after acid exposure
Not really, the reaction is pretty fast from my past experience of making ferrous sulfate, and also the filter paper also dissolves
i think is the metal funnel that’s causing the water murky and also the paper filter will break down and fall in the glass
Heating it up with some H2O2 might help clear it up a bit.
Lol I was looking on here and found you no guess why I'm looking at this video
@@sydneyhunt6681 Hah! Hey stranger, what's up, lol.
@@jhyland87 trying to get cheap Sulfuric acid
@@sydneyhunt6681 what country do you live in? (Asking because i know some countries have H2SO4 restricted)
@@jhyland87 uk it used to be easy to get 98 % but after acid attacks it's got hard I cant find it for sale
Why the filter? in order to filter out the lead?
There are a couple of things that should have been done differently:
-the dilute solution should have been filtered using glass funel idealy, or at least plastic, never metal
-the concentrated acid should have been filtered using a glass funel and glass fibre, not metal funel and paper coffe filter
-the white stuff was probably iron sulphate( from the metal funel) and some lead sulphate( if the solution comes from a car battery, not bottled electrolite), and it's possible that by letting the concentrated solution sit for a while in a cool place to precipitate it
-the obtained concentrated acid contains a lot of impurities but it can be used at least to prepare hidrochloric acid, probably ignite a mixture of sugar and chlorate or in a dessicator, maybe other reactions as well where purity isn't an issue.
Shame that after all the muck precipitated to the bottom you poured the whole jar through the filter. Couldn't you have siphoned off the acid water mix and not disturb the muck layer?
does it polymerize to solid if u boil it down 100% hydrogen poly sulphate!!!!
Bore oh silly kate.
Godfrey Poon Bor-Oh-Sill-uh-kit.
@@MacD443 nooo
H2SO4 loves to bump!
Can i put a pyrex beaker on regular stove? And how strong can i set the fire to be?
I would put a pot with water on the stove and hang the beaker inside it, so that the glass doesn't receive the flames directly. The temperature should be as low as possible while still boiling the water so that you don't boil the acid away
My battery acid was very clean and it never boiled even after 7 hours at 380 deg C! I don't know why yours was contaminated. I bought my battery acid online.
You can buy acid proof filter papers
I will need to get some! Thanks!
It's pronounced 'borosilicate' by the way, - toughened glass. The only reason I know that is from bongs though....honest😉
Why don't you just employ a retort collect the distillate and apply some on salt as a test?
Hard in Australia as lab glassware is restricted! Stay Tuned though. Take 2 is working its way through my head!
The white Pretissapate is lead sulphate from the batterys electrolysis charge process causes the lead plates to oxidise
*preCIPITATE; sulFate; batterIES
When I heated 500ml of clean 38% battery acid to 380 deg C, it never boiled, it only steamed. Why is that? I ended up with 190ml of 94.5% H2SO4. Also, 1.285g per ml on the lable equates to 70.2% acid, not 38%. I don't understand why that is. Can you please explain?
I think the lack of boiling is most likely because the sulfuric acid (boiling point around 330c) inhibited the solution from boiling somehow.
What is wahdoor? Could you give the chemical formula for that?
Sulfuric acid boils at 330c, or 640F. There's no way you're gonna hit that on that hot plate. I think the white smoke you were seeing was other impurities boiling off.
it boils off minor amounts of sulfiric acid at lower temperatures as the water builds an azeotrope with the acid. The concentration of acid in the azeotrope increases with higher temperature.
Can u make gun cotton using this sulphuric
Is beaker safe to heat ?
If borosilicate or Pyrex etc, then yes.
1:00 that's one hell of a bong! xD
>Dude weed LMAO
If you dont know that sulfuric acid dissolve paper you should not play with chemistry.
Sounds like something a little biitch fedboy would say. Go somewhere else democrat. Let the men learn.
You didnt say what glass too use
The word your looking for is hydroscopic
Why are you using a rusty old funnel? A plastic one will be better and a glass one the best.
If new battery will have less Led
Kkkkk não acredito que vc fez isso. Cara, esse ácido quando muito concentrado ele ganha o caráter desidratante kkk
Question: if i need to add 3% of Sulfuric Acid in 10 liters of water, can i use 1 liter bottle ( battery acid) of 30% Sulfuric Acid and add 9,3 liter water? Thanks
bon chance add 10 litres of water to your 1 litre
bon chance the numbers you are using are conveniently in tenths. To go from 30% which is 0.3, to 3% which is 0.03, you just dilute it by a factor of ten.
be careful you have a dog
I keep a good eye on their locations!
I hawe pure 30 percent h2so4 can i make it more concantrated by boiling at 90 celsius
Well it will eventually, but really slowy. The water should boil of, so 90C won't do it. You will need atleast 100C.
I will not encourage this as concentrated sulfuric acid is quite dangerous to work with without a degree in chemisty or safety.
You can however distill the water away and avoid the fumes in this video. Remember to do it outside or with good ventilation
To do this take a thermometer that goes well above 100 C. Heat the acid until the thermometer starts going above 100 C - At this point there is no more water and you should stop here before the sulfuric acid starts to vaporize
is it n just me or does that look like you could use it for bongs
Theres always one :)
This isn't the best advice. The coffee filter will degrade in the acid and the reactive metals in that funnel will react and add metallic salts to your acid. You concentrated the acid but added a lot more impurities. I'd recommend just careful pouring off that top layer more carefully. If you really want to filter it you'll need a glass buncher.
Hey can i make 98% sulfuric acid by just boiling the car battery acid? Is it possible?
@@Gcity67k no azeotrope forms at 93%. I recommend not messing around with boiling acid if you don't know what your doing.
@@ajfox031 some people said they made it to 96% by just boiling the battery acid so are they lying?
@@ajfox031 so?
@@Gcity67k yes lies, sulphuric acid forms azeotrope and the sulphuric acid itself starts boiling at the same rate as the water at 93.3% but you need to boil up to 338 degrees celsius to achieve this (not safe at all for amateur).
Hey....you're using a filter paper! Do you know that sulfuric acid "eats" paper (cellulose)??? 🤔🤔🤔😔
What should you use then
@@61926357 I think, an inert filter.
You can get proper filters for acidic solutions pretty cheap
People say the gayest shit lmfao
@@artieryan5084 people say the happiest shit???
I give this a downvote and a report as the person in this video does not seem to know anything about the safety besides "Chemical fumes = BAD!!". The statement "Oh?? It burned my coffee filter" is a BIG RED FLAG!!
Concentrated sulphuric acid (H2SO4) is very dangerous to those who do not have thorough knowledge about chemistry. The person doing this video DOES NOT seem to have that knowledge other than the thought "Oh, it contains water - I can remove that"
1. Use gloves!! Concentrated suphuric acid can burn the skin in less than 2 minutes leaving scar tissue
2. Use protective eyewear - Unlike your skin your eyes are done on first contact with conc. H2SO4
3. As we see in this video H2SO4 destroys cellulose and other chemical links... Do not use paper
sir i have 35amp car battery and its doesn't work properly and how to recycle
In Australia you can take them to a refuse site for free drop off or sell them to your local scrap dealer for a couple of bucks!
please wear gloves
this is a very crude way of going about it.
I think this is a good way to concentrate more dilute acid. Moving to a distillation apparatus as a next step would be the go....
@@DangerVB I completely agree.
@@DangerVB I mean I completely agree with you. Sorry.
What a clown , no safety !