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I made indigo in a previous video, but it was almost insoluble in water. So, what I'm going to do, is chemically modify it to make it soluble. This new dye is called indigo carmine, and it's commonly used in foods, in both Europe and North America.
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Today I will be making some glow sticks from scratch. Ill be starting with basic chemicals and making a main glow stick chemical, TCPO. I combine the TCPO with a few other chemicals and make some homemade glow sticks.
Luminol video: https://youtu.be/u0GhnbEoSKE
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https://www.youtube.com/watch?v=w_CYwd6cHUA
This is just a quick video on how to make a base/acid bath for glassware cleaning.
For the base bath, you can also use methanol if you don't have isopropanol.
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https://www.youtube.com/watch?v=AsPpxQtZcUg
In this video, I will be showing you how to dissolve cotton (cellulose) using Schweizer's Reagent. I will then reconstitute the dissolve cotton.
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https://www.youtube.com/watch?v=tvoimHLHdnA
In this video, phenolphthalein is synthesized by the condensation of phenol and phthalic anhydride. The phenolphthalein is separated from starting materials by several washing steps.
In theory you can also just extract the phenolphthalein from the reaction mixture using NaOH solution. This will pull out the phenolphthalein as well as the phenol. Then when the phenolphthalein is crashed out, the phenol should stay in solution. Then recrystallize. Much faster method.
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https://www.youtube.com/watch?v=kBo5UnNRodA
I am poor, but I managed to scrape some funds together to buy a Panasonic GH4, which shoots in 4K. So from now on, Ill be filming in 4K. I have 17 videos filmed using my other camera, the Canon 6D, so what is released will be a mix of 4K and 1080p for a little bit.
This is a shot of when I made bromine a few days ago using MnO2/H2SO4. The first video using my new camera.
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https://www.youtube.com/watch?v=xeFwhCx0gtE
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Thioacetone is something that I've been wanting to make for a while, and now, I finally get to experience its horror. Will it be as horrendously stinky as it is claimed to be? Will it make me pass out and vomit?
• LabCoatz's video:https://youtu.be/j4dMnAPZu70
Video References:
• https://www.science.org/content/blog-post/things-i-won-t-work-thioacetone
Nile talks about lab safety: https://youtu.be/ftACSEJ6DZA
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Music in credits (Walker by SORRYSINES): https://soundcloud.com/sorrysines/walker
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https://www.youtube.com/watch?v=LmAG8-V_WQY
UPDATE: I did this again on a large scale and I found that a fractional column helps a lot. Heptane and ether don't like to separate.
Also, I distilled all of the heptane and there is an oil that is left over at the end. The heptane is therefore not pure if you don't distill it. Also, the heptane comes over at 89C instead of 98C
In this video I demonstrate a method to separate diethyl ether from starter fluid. It is very important that you do this in a very well ventilated area. Ether vapors can easily be ignited and it can cause dizziness and confusion if too much is breathed in.
I got the idea from this link: http://www.sciencemadness.org/talk/viewthread.php?tid=9747
https://www.youtube.com/watch?v=SLWwwod-u-Q
In this video, we use some of the calcium acetate that was made in a previous video to make some alcohol jelly!
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If you want to support me but don't want to actually donate, we can exploit an app referral system. Download and signup for an app called Qriket using my code "0D6D0B" and I will get $1 per signup. You don't have to pay anything.
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https://www.youtube.com/watch?v=DjmnSoupVoA
In this video, vanillin is isolated from artificial vanilla extract. The solvent used is dichloromethane, but it is likely better to use diethyl ether as it does not form an emulsion. I used dichloromethane because it is easier to obtain for most people.
It is important to use artificial vanilla and not real vanilla extract. The real vanilla extract contains many more compounds.
The amount of vanillin in commercially available extracts is widely variable and usually ranges between 1g-4g per 500mL volume.
This video was inspired by Youtube user myst32YT: https://www.youtube.com/watch?v=k7ZDSFEsrGg
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https://www.youtube.com/watch?v=skS8SKJrZYc