Making sulphuric acid

[Guest nickster]

undefinedundefinedundefined hi i was wondering if anyone could tell me how to make CONCENTRATED sulphuric acid from car battery acids. and what type of container should i use to store it. thanks

[Gilded]

Just boiling it until the white fumes disappear and then storing it into a glass bottle (with a glass cap?) is just fine, I guess.

[5614]

empty out a charged car battery or better still, buy some battery acid from a place that sells batteries or services them, forklift battery maintainance companys will sell you gallons (if you provide a suitable container) and it`s 35 to 40% conc

 

or H2SO4 can be purchased easily at a mechanic store. It will be calld as "Battery acid". as you realise it is very diluted, so all you have to do is to heat it and let nearly all of the water evaporate.

 

store it in a glass bottle of some sort.

[boris_73]

i thought it was to heat the sulphuric acid untill dense white fumes appear not disapear

[Gilded]

Hmm... I think it's the impurities that form the fumes. And when the fume is gone, the impurities are gone.

 

Edit: Whoopsie! Of course, if dense fumes start appearing in the early parts of boiling, they're probably some impurity crap, but if they appear in the later part, they are most likely H2O + SO3. So when the H2O + SO3 starts to fume out, you've got yourself some damn conc. acid.

[Guest nickster]

ok thankz alot guys.