I see @ 2:06 that not all of the alcohol separated. Some of it is still mixed with the water. What level of alcohol separation can you reach this way, and can you improve it further (eventually to close to 100%)?
Your “before and after” shot is confusing. The colors have swapped places, but the labels say the chemicals are in the same places. Is that accurate? If so, it’s amazing - so I would have thought you’d have called it out, but you didn’t.
I should have, the starting color is just where I put the colors since food coloring will disolve in both water and isopropyl alcohol. Afterward some food coloring particles get salted out with the isopropyl and some stay in the saltwater solution. I believe that the level of polarity on the food coloring particles determines what happens during the salting out but I don't know the structure of the food coloring molecules I was working with so I will need a chemist to check me on that. Another thing I didn't mention is that the isopropyl density can increase during the salting out, because even though water is removed lowering the density salt is added raising the density more than it was lowered. If you use a lower density oil like baby oil or mineral oil you can have the layers switch places based upon changes in density.
@@BeardedScienceGuy so to be clear, you're saying the food coloring actually did switch places, i.e. the blue is in the alcohol and the green is in the water? That's pretty incredible, if so! It's like a magic trick, or one of those "I'll bet I can do this amazing thing that seems impossible..." things :)
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the background music is always relaxing.
Amazing video😍🎉
very cool
I hope you come back
nice
Is it possible to make a rainbow (6 layers, colored in some way - food or alcohol color) that can be shaken up and separate to original again?
Hii I’m from your new science class!
Me too
Nice.
I see @ 2:06 that not all of the alcohol separated. Some of it is still mixed with the water.
What level of alcohol separation can you reach this way, and can you improve it further (eventually to close to 100%)?
You can get higher than 99% Isopropyl Alcohol to water but then you will need to run a distillation in order to remove the salt from solution.
Very poggers!
😍
Hey Dude it's Jim from Hish School
i love Hish School
Your “before and after” shot is confusing. The colors have swapped places, but the labels say the chemicals are in the same places. Is that accurate? If so, it’s amazing - so I would have thought you’d have called it out, but you didn’t.
I should have, the starting color is just where I put the colors since food coloring will disolve in both water and isopropyl alcohol. Afterward some food coloring particles get salted out with the isopropyl and some stay in the saltwater solution. I believe that the level of polarity on the food coloring particles determines what happens during the salting out but I don't know the structure of the food coloring molecules I was working with so I will need a chemist to check me on that.
Another thing I didn't mention is that the isopropyl density can increase during the salting out, because even though water is removed lowering the density salt is added raising the density more than it was lowered. If you use a lower density oil like baby oil or mineral oil you can have the layers switch places based upon changes in density.
@@BeardedScienceGuy so to be clear, you're saying the food coloring actually did switch places, i.e. the blue is in the alcohol and the green is in the water? That's pretty incredible, if so! It's like a magic trick, or one of those "I'll bet I can do this amazing thing that seems impossible..." things :)
Dude are you okay?
He is ok I’m one of his students