How To Make Beautiful Crystals From Wood & Aluminum Foil

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In this video I show how to easily turn some wood, battery acid and aluminum foil into beautiful crystals of potassium alum at home while having a tough time with math.

If you enjoyed the video consider liking it, sharing it with a friend, and subscribing to my channel - I would really appreciate that :)

Also, excuse me for my poor speaking, English is not my native language so I have some trouble with pronunciation, in case you don't understand something there are always subtitles made by me.

0:00 Intro
2:56 Turning wood and sulfuric acid into potassium sulfate
7:43 Making aluminum sulfate from aluminum foil
9:55 Making potassium aluminum sulfate - potassium alum
10:52 Growing a big alum crystal
13:03 Outro

#chemistry
#experiment
#beautiful
#demonstration
#science
#interesting
#crystals
#diy
#howtomake
#cool
#reaction

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I love how the goal is to make it easy for a non-chemist to make and the first step is to extract pure battery acid

newusernamelol

Back in the early '90s, I grew alum crystals for a science fair project in 7th grade. I also grew some other crystals (copper sulphate for sure, as well as sucrose and sodium chloride...but there were a couple other more exotic types...pretty sure one was chromium-based, while the other was a manganese salt). I obviously sourced the alum from the drug store, not wood, aluminum foil, and battery acid (lol, while awesome, that is a time-consuming and highly inefficient way to get alum when you can just...buy it). But aside from that, the process was the same. Super-saturate a solution, sprinkle some alum in, get the seed crystals, tie them to some fine fishing line, and grow them bigger. And over a few weeks, I did grow a couple gorgeous alum crystals. They were smallish - like maybe 6 or 7 mm in diameter, but they were perfectly clear and displayed a striking octahedral structure, just like little diamonds. It was a fun project, and I put a lot of time into it, but the judge still only awarded me a silver medal. OH, I was so mad...but I got over it.

VoIcanoman

I love the giant filter paper, not only because of the absurdity but it genuinely probably filtered about as quickly as if you were to use a vaccum filter since the huge surface area and high material volume you can process in one batch.

eve_squared

After the "...Make Some Beautiful Crystals" line I expected the 4chan ammonia, bleach and a straw infographic

Dan-vqpz

I'm an idiot, but science fascinates me. This was fun to watch even though most of it was way beyond my skill set. Great video!

timothynelson

his accent is so pure yet i understand him perfectly. such a soothing voice

YoungJence

I really love this video as alum was one of the first crystals i grew and its always been my favorite! I made a few kilos to grow a huge crystal in a bucket but never got around to it. Maybe its time 😆
I love how you made the potassium sulfate from potash that was a really cool touch!

midwestchem

Hey, when's the video of growing meth crystals for people who just want to enjoy making crystals and don't spend most of their time hoarding random chemicals in their garage?

llanlydia

8:11 "pamiętaj chemiku młody kwas zawsze wlewaj do wody"

wreck_grimes

Sulfuric acid: He gets it from a car battery.
And I instantly know he's not living in north America. Fun fact: While in north America Sulfuric acid drain cleaner is pretty common, you'll never find it at all in Europe! Here there's only alkaline drain cleaner made of concentrated sodium or potassium hydroxide! So in north America it's so much simpler to get concentrated sulfuric acid as an amateur! European amateur chemists struggle with that 😅
And while it's an inconvenience for us knowing chemistry, I absolutely understand the reason concerning normal people: You don't want to give a normal person the same product, just different brands, with concentrated acid and base in each other. People are... People... So they'll mix them. No matter how many warnings you put on the products, they will do it!
So someone decided which one is better. Base saponifies any proteins, especially hair. The main reason for most plugged drains. Sulfuric acid does catalyze hydrolization, but that's way slower. So base it is 😅

GodlikeIridium

That's very interesting! I'm curious to see how big you get that one crystal.

skyguy

I love videos that show me how to acquire the once basic chemistry set components.

coreycoffell

Ech skoro już robiłeś potaż z drewna, to trzeba było drugą część ałunu też pełnym trybie DIY - z gliny, metodą prof. Stanisława Bretsznajdera :)

Tyresio

Couldn't you use the amphoteric nature of aluminum to dissolve it directly in the wood ash solution, then dope the solution out with a really easy sulfate source like Epsom salts?

davidjones