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why does my light turn on when i press on my diode?

You may know that high end guitar amps and other, FAR more, high-end music studio gear requires tubes. A lot of the old better made stock is running out in the world. I could see special tube-making becoming a revitalized skill in developed countries around the world as the need for tubes increases in this very small but important market. That's why I'm here learning this!

It is not so easy!. In fact the highschool chemistry book says that H202+H2SO3->H2SO4+H2O and it does not recommend that method. The book explains its production at industrial level by getting SO3 and adding it to water. I do not know if SO3 is a gas but it must be a gas and adding it to water is not so easy. Nice video.

Will it works with plastic tube (just curious)

There's a video where I'm trying to develop the ostwald process to make nitric acid: th-cam.com/video/NV5aBn7KmLs/w-d-xo.html

There's a video now where I'm trying to develop the ostwald process to make nitric acid: th-cam.com/video/NV5aBn7KmLs/w-d-xo.html

There's a video now where I'm trying to develop the ostwald process to make nitric acid: th-cam.com/video/NV5aBn7KmLs/w-d-xo.html

Mythical furry channel pull

Ola,csou podóloga desde 2006 e usava acido fumegante 66% so uma pontunha de uma agulha para queimar hpv, verrugas vulgares, mas nao manipulam mais, uma pena, ácido sulfúrico tambem, ja o acido salicilico e impotente para esses casos, como citado. Anei os vidris...gostaria de saber onde compro o material. Pode ne dar uma dica? Agradecida ❤❤gratidão

Something that'd be interesting would be using your device and make *many* ,lots and lots of them. Then, create an array of them in a given space/ room.... Or on material as a blanket you could wrap around yourself or throw overtop an object/ cover up something. It would be an interesting experiment- would we be able to visualize the many signals around us? To be able to visually observe signals travelling from point a to be or spread out thorough the space...some thoughts to add...a trailing signal should be incorporated...think shooting star. Since they are travelling at speeds we'd only observe as flashes or bursts...adding a 2..3...5...seconds that it would be visible....then fading away. A different way to display such information- the light turning on with presence of signal- utilizing fiber wire. The visual light aspect of the system can be "projected " in another area...example: you placed an array of these sensors in a room the shape of a square.. the fiber wires from each go to the same position on a smaller cube that is possibly displayed hanging from above. This is similar....the fiber wire part... that Rolse Royce uses to re create the stars above you in the night's sky onto the headliner of their vehicles. Take away the light, exchange it for a data logger...input the data into some kind of 3d visualization software. Or a 3d spectrogram.. actually, i had seen a youtube video where someone did just this but with WIFI signals only...was really interesting to see the WIFI fog around them

Amazing video! What kind of torch do you use? I really want to try myself. Did you had experience with glass working before?

Would u build me a plasma bulb? Argon filled for a rife machine I've currently built?

Did you ever try using a catalyst?

Could you try to build Photo multiplier tube ?

You need flow meters on the air and ammonia.

Take a shot everytime he says "in here" ;)

This is very good video

Hi when i saw your video i say to my that he is so like to elijah mikaelson in vampire diaris❤❤

Woot, the nitric acid sequel to the last video! I hope you can get it working properly!

Very nice video I enjoyed it , I tried this before and I had the same issue of too much ammonium nitrate , I used once pure platinum catalyst and second time the mix of chromium oxide and copper oxide, I think the second time I had more nitrogen dioxide but the ammonium nitrate problem still continued , Im willingly waiting for your next video to fix this issue 🤩🌹

For anyone who's interested in repeating this experiment: You can buy this catalyst ready made pretty cheaply. It's sold as platinum bright embers for gas fireplaces.

4:20: Oh yes, post a video about the Pt catalyst preparation, please.

Ok, where the F you found Quarzrohr with 29/32 Schliff?? Or is it custom made? I have such pipes in diferent diameters and it is always a problem to close ends, so i always need to improvise...

Why is every small science youtuber either 1. German , 2. Furry, 3. Both

0:01 definitly was not expecting that voice to come out of that dude like that.. lmao

Very cool. Thanks.

If you are wanting to do this reaction on a hobby level but cannot find a suitable catalyst, you can use a section of brick 1 out of an automobile catalytic converter. The catalyst is coated with platinum 90% rhodium 10% which is fairly close to the screens used for making the nitrogen oxides on an industrial scale. They are 20% rhodium. If you want more nitrogen oxides then use pure oxygen and a low concentration of the ammonia vapors.❤

I thought you need more oxygen... If there is too much ammonia it can oxydize just to useless nitrogen

Secondary regulator on ammonia side?

Secondary regulator on ammonia side?

Loved your video. I have a suggestion you might consider. Coat the reaction vessel with sodium silicate and place some nichrome wire into it. After dried, add another layer of sodium silicate and allow to dry again. Once dried you can use your bench power supply to regulate and maintain a constant temperature. I look forward to your feedback. Cheers

>dammit, we only made NH4NO3 again idk man, a lot of people would be happy enough to get there lol

My idea was to electrically coat etched graphite with platinum instead of the mirroring solution (as that is not as easily available) makes the deposition much more controlled, and also faster i think? Could even use carbon fiber for it. Also i think i heard platinum-palladium is even better than just platinum. As opposed to rhodium which supposedly supports nitrogen formation.

You can put the ammonia tank in warm water to keep it from getting too cold

ive seen copper wire used wrapped similar to a clove hitch knot.

If you get a pressure regulator, you can keep constant pressure on the output of the bottle to prevent the fluctuations

You said in your comment that the contact time is already too long, so i think to lower the amount of ammonium nitrate byproduct produced, you should reduce how much ammonia flows through the system and increase the flow of air, creating a more oxygen rich environment. Its just a suggestion, i don't know if it will actually work, but maybe you wanna try.

At first i though "that's kinda shady not wanting to be seen doing chemistry on TH-cam" then i saw the channel name 😂😂😂 Yeah that's a reasonable request

Hey there! Do you mind explaining what you used to make the phosphor screen/ coating?

thanks bro it is really an interesting video but most amateurs do have have equipment you have

Perhaps you should electrically heat the quartz tube (tube furnace) to better control the temperature.

Green chromium oxide is just as good of a catalyst here. Sandwich it in a narrow glass tube between two pieces of ceramic wool and it will work.

I am LOVING this format of videos. Also the shy friend 😭😭 so cool. Also love the explanation and calming voice over