Hey there, just wanted to say thanks for making this video! It ended up inspiring a large segment in one of my videos about building Spider-Man's web (and how diy polymer production isn't actually the ideal solution haha)
Hey man i came from your video and i have a question, yeah maybe rayon is not a good idea but did you checkout PMMA web fluid? the human spider , the.amazing and other spider people are developing a formula based on that.
Vidushi Gupta Don't wait for the cotton to dissolve. Keep stirring the mixture using a glass rod. The mixture will become pretty viscous but it can easily be sucked using a syringe. All the best for your practical!
Anisha gurung Yeah it really did work! Basically Rayon can be obtained in 2 ways, viscose method or the cuprammonium rayon that is being discussed here.
I'm a student attempting to conduct this experiment. I have a mediocre knowledge of high school chemistry and just want to ask the following questions: 1.) If an aqueous solution is a mixture of in part water and a given substance, can we just dilute 100% ammonia to a 25% concentration by simply adding water (H2O)? 2.) what does the 'n' in the (H2O)n mean in the given chemical formula of the resulting product? All input are appreciated!
+john binay I don't think you can get 100% ammonia. That's liquid ammonia. But whatever high percentage ammonium hydroxide solution you have, you can dilute it. Be careful of ammonia fumes. The chemical formula of the complex Cu(NH3)4(H2O)n represents a structure. Imagine a 3D octahedron (two pyramids attached at the base). The Cu+ ion will sit at the centre of this octahedron. The 4 NH3 molecules will be at the 4 horizontal vertices and the remaining 2 vertical vertices will be occupied by H2O. So n=2 in this case. Look at pictures of 'tetraamine copper coordination complex'. Remember that an octahedron has 8 faces and 6 vertices. This is irrelevant to the stoichiometry. Water is always in excess so you don't have to worry about where the molecules come from.
Generally 25% is available in market. Stay safe it causes irritation in eyes and very strong smell. Did the same experiment in my project related to fabric chemistry, and I won the contest.
I did this experiment and gave me this result .. but after making it, it cut just by touching. So do you know what the next step to be able to use it. Do you know the benefits of it ?
Thank you very much for this demonstration, very impressive. I wanted to perform a chemical demonstration for a school chemistry class, however the dissolution of the cotton wool did not succeed. Is there a specific duration required for the solution to thicken? We used copper sulphate, as well as sodium hydroxide, however the product was too thin and did not produce the reaction sought after. Please any advice is appreciated! Thank you!
New Subscriber who is enjoying your content. I had a question. Would the "thread" have been better if you had used a larger beaker with more sulfuric acid to shoot the copper solution into? I was just thinking if there was more volume to reduce clumping it might have been better result? Thank you for your time & expertise to share such amazing scientific wonders with everyone....
Impressive - you mentioned that the fibers are not strong and rip easily. How might you change that? How might you change the process you went through in order to guarantee fibers that would not rip easily? Thanks!
Muchísimas gracias por el video. Super claro todo el proceso! Quisiera pedirle permiso para compartirlo en mi instagram profesional por supuesto nombrando la fuente
I tried doing this experiment for school eximbition but the problem is that when I add the ammonia solution to the copper carbonate its not changing colour plz can I know where I went wrong????
Sorry to bother you.. what is the name of the piece of music at the end... I know that you have included a link at the end but it only points to the hosting site
Hi! What kind of syringes are you using? I tried this experiment and the liquid would come out as drops instead of a stream and so I wasnt able to form any fibres :(
David Longman The formula of the compound formed in the end should be [Cu(NH3)4](OH)2 So you can use either a normal copper compound with NaOH anD NH4OH or only by taking a copper hydroxide compound with nh4oh
As long as it's strong enough to displace ammonia from the copper it should work. I got it to work with vinegar even during attempted filtering of this copper complex before I knew it did this.
Adnan Gaming No you cannot concentrate ammonia solutions by slow heating. You can however heat some dilute ammonia in one container and lead the gas to another container also of dilute ammonia solution.
You can also use 10% ammonia solution, mut fibers forming in this reaction can be a little thinner, maybe fragile. 25% solution you can buy in chemical store.
Hey there, just wanted to say thanks for making this video! It ended up inspiring a large segment in one of my videos about building Spider-Man's web (and how diy polymer production isn't actually the ideal solution haha)
Love your channel
Hey man i came from your video and i have a question, yeah maybe rayon is not a good idea but did you checkout PMMA web fluid? the human spider , the.amazing and other spider people are developing a formula based on that.
Ay just watched that
STOP IM HERE FOR THE EXACT SAME THING OMG......IM WORKING ON A SCHOOL PROJECT FOR A SCIENCE EXHIBITIONN
Thank you!
I had to make rayon fibres for a school project and your video was a great help.
Vidushi Gupta Don't wait for the cotton to dissolve. Keep stirring the mixture using a glass rod. The mixture will become pretty viscous but it can easily be sucked using a syringe.
All the best for your practical!
Did it really work? and do u have any idea of What this process is known as?
Anisha gurung Yeah it really did work!
Basically Rayon can be obtained in 2 ways, viscose method or the cuprammonium rayon that is being discussed here.
Plzz tell if somebody knows
Lakshay Dhahinwal ohh this is cuppramonium method
Thnx
Forgetting the language barrier, this is a fantastic video 👏
this is THE MOST BEST experiment I have ever seen
*the best
I've learned more from you, than what I learned in school.
That deep 'cobalt blue', one of my favorite colors.
If I read right, the threads can be dissolved in Carbon disulfide for a stronger product.
Whoa, really !!? Can you give me the source please. Thanks
This was very helpful and interesting to watch. The video was easy to understand aswell.
This is the most best experiment I have ever seen❤️😇😇👍👍
Most best wow🤣🤣🤣
ubr inglis butiful
Fantastic example. Thank you, my friend.
I'm a student attempting to conduct this experiment. I have a mediocre knowledge of high school chemistry and just want to ask the following questions:
1.) If an aqueous solution is a mixture of in part water and a given substance, can we just dilute 100% ammonia to a 25% concentration by simply adding water (H2O)?
2.) what does the 'n' in the (H2O)n mean in the given chemical formula of the resulting product?
All input are appreciated!
+john binay I don't think you can get 100% ammonia. That's liquid ammonia. But whatever high percentage ammonium hydroxide solution you have, you can dilute it. Be careful of ammonia fumes.
The chemical formula of the complex Cu(NH3)4(H2O)n represents a structure. Imagine a 3D octahedron (two pyramids attached at the base). The Cu+ ion will sit at the centre of this octahedron. The 4 NH3 molecules will be at the 4 horizontal vertices and the remaining 2 vertical vertices will be occupied by H2O. So n=2 in this case. Look at pictures of 'tetraamine copper coordination complex'. Remember that an octahedron has 8 faces and 6 vertices.
This is irrelevant to the stoichiometry. Water is always in excess so you don't have to worry about where the molecules come from.
Generally 25% is available in market. Stay safe it causes irritation in eyes and very strong smell. Did the same experiment in my project related to fabric chemistry, and I won the contest.
I did this experiment and gave me this result .. but after making it, it cut just by touching. So do you know what the next step to be able to use it.
Do you know the benefits of it ?
IS IT NECESSARY TO KEEP THE COTTON DISSOLVED SOLUTION FR 10 -15 DAYS....TO GET A THICKER SOLUTION?
Thank you very much for this demonstration, very impressive. I wanted to perform a chemical demonstration for a school chemistry class, however the dissolution of the cotton wool did not succeed. Is there a specific duration required for the solution to thicken? We used copper sulphate, as well as sodium hydroxide, however the product was too thin and did not produce the reaction sought after. Please any advice is appreciated! Thank you!
New Subscriber who is enjoying your content. I had a question. Would the "thread" have been better if you had used a larger beaker with more sulfuric acid to shoot the copper solution into? I was just thinking if there was more volume to reduce clumping it might have been better result? Thank you for your time & expertise to share such amazing scientific wonders with everyone....
Amazing experiment!
how peter created web fluid
Wow ❤️ thank you very much❤️👍👍 this channel is very useful for all person 😇I proud of you sir❤️
This can be said oddly satisfying video... Though it great video 👍🏻
Wow thank you for this video
Impressive - you mentioned that the fibers are not strong and rip easily. How might you change that? How might you change the process you went through in order to guarantee fibers that would not rip easily? Thanks!
To do so, one would somehow have to increase the polymer chain length of the silk
awesome !!! i gonna do this in my school lab
Where can I get these chemicals in small quantities? Have to perform it in school!
the bluish powder is called malachite
Thank you Sir for the video !
Thank u sir 🙏🏼🙏🏼
But can we make it in different colours
Muchísimas gracias por el video. Super claro todo el proceso!
Quisiera pedirle permiso para compartirlo en mi instagram profesional por supuesto nombrando la fuente
You can use filter paper instead of cotton
It will take only 3-4 days to dissolve
Wow. Very interesting.
reminds me of a seahorse having babies
Is this project suitable for class 12 chemistry investigatory project???? Plzz answer
Yes
I really loved this sir
I tried doing this experiment for school eximbition but the problem is that when I add the ammonia solution to the copper carbonate its not changing colour plz can I know where I went wrong????
Prathiksha Sharanya.S what concentration is the ammonia you're using
I made the rayon .. but it was so weak and it's cut if I touched it.... After making this what should I do to use it
What do u actually mean by 1M sulphuric acid?
Zoidberg teaches chemistry!
Your profile picture shows my response
IS SULPHURIC ACID CONCENTRATED OR DILUTE
Is copper sulfate & baking soda mixed
Or the solution copper carbonate is already available
Can you tell me what is that white coloured thing which u introduced first?? Plz do reply.. 😌
Vishal Sharma that's rayon that's a glimpse of it at intro of the vid....
Jayeeta Dey .
OK thanks
How to generate other than blue color.
That's why it's not environmental friendly?
The sulfuric acid and the ammonia? Also the copper carbonate?
You could use directly cotton...
can you tell me...theory of this experiment???
Sorry to bother you.. what is the name of the piece of music at the end... I know that you have included a link at the end but it only points to the hosting site
How much time does it take for the colour to disappear from the rayons after injecting the syringe?
Looks so trippy and the blue is beautiful!! I wonder how to turn a normal PVA acetone fiber to a super hydrophobic fiber.
When making the basic copper carbonate, can we filter the precipitate with any household material? I tried with coffee filters, but it didn't work.
how can I get the alkaline copper carbonate
can you show how to process synthetic fiber
Thanks. but why color became colorless?
I have one doubt why does viscose only turn into rayon when reacted with sulphuric acid
Can I know all the ingredients and instructions and the size of the needle u used 😅😅 it’s for my science festival😅😅
Hi! What kind of syringes are you using? I tried this experiment and the liquid would come out as drops instead of a stream and so I wasnt able to form any fibres :(
I made it .. but the fibers was weak
What is the weight of rayon obtained, say for 1g of filter paper taken?
hi, could you pls. tell me in how much time cotton will dissolve in this chemical ?
how can we know how much weight of artificial silk has formed ?
How can i make basic copper carbonate with baking soda i need a fast answer pls :)
What is unit process like ( oxidation, hydrogenation,nitration etc) involve in this experiment?
when you mean wool, do u mean cotton
Your copper (II) carbonate has 2 hydroxides in the formula. Is this important ? or will normal Cu2CO3 work?
David Longman
The formula of the compound formed in the end should be [Cu(NH3)4](OH)2
So you can use either a normal copper compound with NaOH anD NH4OH or only by taking a copper hydroxide compound with nh4oh
Which solution did you put the viscous in
so does this solution dissolve Wood as well? ;D
how much tym does it take for the rayon to become colourless??????????
Thanks. Great videos ........
Exactly at 2.11 background music is from ?
Amazing......
You should add subtitles
how much length of rayon has formed?
is it dilute or concentrated sulphuric acid?
What is the concentration of sulfuric acid?
1M
@@joshuabryk4316 what volume for use?
Was that a baking soda bath the fibers went into right after they turned white?
And would Paracetic acid work?(50-50 of white vinegar and hydrogen peroxide)
No. No.
Man just listen what he says. It is all in the video, just pay attention and dont wirte redundant questions
Does one need sulphuric acid or is the reaction purely a neutralization reaction and therefore one can use any common acid?
As long as it's strong enough to displace ammonia from the copper it should work. I got it to work with vinegar even during attempted filtering of this copper complex before I knew it did this.
Eas that Copper Powder was made by alcohol? Because it has -OH as Formula Structure.
Wow love it....
Does the amount of cotton you put in need to be in a specific ratio?
safe to vape?
what is the principle behind this??
Hello! Any insight on where we can purchase 25% ammonia solution? It seems like all-purpose cleaner ammonia is not working. Thank you!
You can purchase it in a chemical store.
Elizabeth Esponnette u can concentrate ammonia solutions by slow heating in a well ventilated area
Although not recommended....
Adnan Gaming No you cannot concentrate ammonia solutions by slow heating. You can however heat some dilute ammonia in one container and lead the gas to another container also of dilute ammonia solution.
What numbered syringe have you used in d exp ?
You can use any one .. as you want
What is the molarity of the nh3
I want to know the preparation of (akd wax) akd means alkyl ketene dimer
While injecting the complex into sulfuric acid, inside the syringe stucking
I thought you had to use wood cellullose to make rayon. 🤔
Thats nice
we try this and it does not work (dissolve) even after two days.
can HCl subsidize sulfuric acid?
I dont think so. Just use sulfuric acid drain cleaner from Walmart.
Good job but the music is sooooo loud I can't hear you. Can you just speak only?😊
nice! thats one satisfying video
Bro do you live in a lab?
can we use any other chemical in place of cuco3...?? ans me plz...
Can you use any source of cellulose?
Can you use 10% hardware store ammonia, if not where can you get 25% ammonia.
You can also use 10% ammonia solution, mut fibers forming in this reaction can be a little thinner, maybe fragile. 25% solution you can buy in chemical store.
dawn smith gr8
cuso4 + naoh = cuoh2 ; cuoh2 + nh4oh = schewitzers solutoin (dark blue) schewitzers solution+ cotton = viscose...will this work
Sulphuric acid is conc. or dil.
Gloves dude.... but awesome video
Why not add flash cotin
please help me video is nice one and I want procedure and uses for the experimental for our life
What is the use of this Rayon?????????
how concentrated is the sulphuric acid?
About 10%
so you could make silk clothing out of this?
no u coudnt because its wut they
make cloths out of
Tom Cat and if they make cloths out of this you can make clothing [also spell checker is a thing]
5 molar
Which process is this
Cupprammonium rayon
Or.
Vidcour method
Plz reply
how to make chowmin in chemistry 😅😅
very nice
Can I use sodium carbonate instead of copper carbonate
NaOH