Just found your videos and googled you. You passed away in 2018, thank you for your work, may it live on and inspire more people. Going to buy your book!
@vanman7243 ай бұрын
Damn, wanted to ask the guy a question. RIP Robert.
@butwhy75434 ай бұрын
calling all homies from spoto
@SamurajX-Esports4 ай бұрын
He REALLY does sound like Mr. White.
@user-ys6xt2zc6b4 ай бұрын
will this work with 10% or 8% HCl , toilet bowl cleaner to be exact
@EXCEPTION_CHEM7 ай бұрын
Why you're not posting videos sir it's very much useful.. it's posted 13 yr ago I need more on the experiments
@themicroscopylab38697 ай бұрын
I just found his videos and am very saddened that there will be no more by him. Those interested in chemical microscopy see The Microscopy Lab.
@SandraWilson-ew1yu8 ай бұрын
😊
@petevenuti735510 ай бұрын
I want to make TiO2 plates for experimenting with organic solar, i assume the process is mostly the same. Would you recommend the same binder? What else? What about sodium silicate?
@MichaelLapore-lk9jz Жыл бұрын
What if all I have on hand is cupric 2 acetate? Can I use it?
@MichaelLapore-lk9jz Жыл бұрын
Wow! Is Professor Poliokof over there? Where's the quiet bald assistant called the stig?
@akhsarbekgetoev7725 Жыл бұрын
Thsbks vety much for exellent experiment and explanation .Just wondering where can I buy all chemicals /substance which hacebren used in given rxperiment?
@callumtaggart9392 Жыл бұрын
Thank you for posting this. Im going to be testing a Boron vitamin from amazon with this test. Crush up a pill into water and dilute thru different ratios. If im getting this right ill use a fuel stove methanol and mix with tumeric to create my yellow dye. if i see a colour change ill know im dealing with sugar pills like some reviews have stated.
@wubbalubbadubdub_ Жыл бұрын
He mentioned that if we don't have access to alumina we can also use cornstarch or talcum powder. So can I use just about any type/brand of cornstarch or talcum powder or do I have to look for something specific? And can I just use it directly or is there some sort of process before? Hoping for a clear answer (I need to do this for a school project)
@GalaxyGaming-uo5xk Жыл бұрын
Howes or Lome Depot. * confused face * what??!🤔 LOL!
@GreenJeepAdventures Жыл бұрын
Somewhere floating around the internet was a wiki of the sources of chemicals that could commonly be found in hardware stores that IIRC was related to the book. Does anyone by chance remember it?
@generalingwer4341 Жыл бұрын
Wow didnt see that coming.nice video.
@pashaveres4629 Жыл бұрын
thank you very much. safety is SO important and so often overlooked. the time to be safe, to be prepared, is BEFORE you need to be. great point about possibly not being able to see your way to the sink. subbed.
@joshbishop9639 Жыл бұрын
2:17 3:36
@norcoatomik1 Жыл бұрын
I favorited this video 13 years ago crazy
@Bert2368 Жыл бұрын
Some points: Need to specify acid strength more tightly than "concentrated". How about DENSITY. Or %. Do mention developing pulmonary edema from NOx exposure. Doing this type of reaction indoors can damn well kill you and you'll not know how badly you screwed up for hours after your exposure. Drowning from your acid fume burned lungs filling with fluids is a NASTY, slow way to die. "Guncotton" isn't what you were making here. Acid concentration and reaction time were not sufficient. "Pyrocellulose", maybe. "Nittocellulose" possibly. These are actual technical terms, related to how thoroughly the cellulose has been nitrated, freaking look it up. Occluded acid inside the NC fibers is rather hard to remove and will cause your (somewhat) nitrated cellulose to degrade, off gas and possibly auto ignite if stored. It takes a LOT more washings (ideally including BOILING in several of these wadhings)to remove as much acid as possible to begin with- And generally, impregnation with stabilizing chemicals after all those washings to allow safe storage. Urea, diphenylamine, centralites & etc. are all good things to know about. Screw nitrating cotton balls with their fat, hard to wash fibers. Use the thinnest, purest non scented toilet or tissue paper you can find instead, run it in a blender during an early rinse stage to break it up into finest particles you can too, the shorter the cellulose fibers, the more thoroughly you can wash out the acids.
@Bkpr2233 Жыл бұрын
Rest In Peace Robert
@lol-pb4rl Жыл бұрын
5.1 molarity is how many percent hydrochloric acid?
@Lukesab3r Жыл бұрын
I know that these videos are old... however even today they are an absolute wealth of knowledge. Thanks for taking the time to make and share this with the world, generations are learning by your efforts. Hoping all is well with you and yours Thanks
@lynn151haj Жыл бұрын
i have just discovered that when I poured 1/2 of this stuff into our clogged kitchen floor trap (i pumped out the water first), It ATE thro the upvc floor traps and left a hole thro to the apartment unit below ours !!! Now we need to see him to sort this out😱
@thevelar7139 Жыл бұрын
Hi sir , please is this pigment really violet like of we see its reflexion by spectroscope we will see the true 400-420 nm light , or its just a mixtur of deep blue with red ? Thabk you
@tyt0uoff1462 жыл бұрын
Can i use calcined alumina or fumed silica ?
@annakowalska7252 жыл бұрын
clever
@jesscorbin59812 жыл бұрын
My dad thinks this was Nurdrage lol
@erikisberg38862 жыл бұрын
Amazingly simple method to get cheap useful dilute analytical grade HCl, simply genius! Not much work to do this, even if it takes a fairly long time for diffusion to complete. Perhaps some wicks in the raw acid could increase evaporation area and speed up the process somewhat, glass wool or simply rock wool or something could work?
@vancouveropenbsd9852 жыл бұрын
So any of these reagents will pop hot on any number of everyday drugs and substances. Gotcha.
@rumeunner32452 жыл бұрын
Miss you Bob
@erwinsalunga82212 жыл бұрын
What is the use adding gentian violet solution to the smear?
@weshallagainbeone71422 жыл бұрын
What is the % muriatic acid you use? Not sure how much to mix if I want say 6% or 5% solution.
@user-ys6xt2zc6b4 ай бұрын
he uses 41% or 35%
@saml43322 жыл бұрын
Hi Robert. Writing for a friend. Why does the solution taste so bad when swallowed in large quantities? Also, it seems to stain the eyeball. Please respond. Thank you.
@hillyheights-pn6qs10 ай бұрын
Can you tell me please is thermal paper also needed to clean from blanket or hot blanket or water?
@ericfuller77882 жыл бұрын
This is what u use to make a certain not legal product beston the mark et
@SodiumInteresting2 жыл бұрын
That is interesting. Do the varying outcomes depend on obvious variables such as temperature, purity, proper mixing etc or is it genuinely just chance
@blakehaley46322 жыл бұрын
Great job Robert Bruce Thompson! Can"t wait for next video
@soapw84202 жыл бұрын
Can't i just boil it ?
@user-ys6xt2zc6b4 ай бұрын
its not only water in mixture
@TheFireGoose2 жыл бұрын
Rest in peace
@MadScientist2672 жыл бұрын
Useful. Like a couple others I'm thinking desiccant too...
@Vsor2 жыл бұрын
Why am i only now learning about this channel.
@8Olivia82 жыл бұрын
I am screaming laughing at the very end. LMAO!!!! It is one of my favorite things to either say, or hear one make a switcheroo of letters in words by accident. I just watched that part again. LOL!!!!!
@h.Freeman2 жыл бұрын
Whatever happened to this guy?
@sbreheny2 жыл бұрын
I would have thought that you'd want to chill the acid+cotton mixture during the nitration to prevent oxidation/runaway nitration. Usually when nitrating organic compounds you should NOT see nearly so much NO2 being evolved as it indicates that side-reactions are happening at a high rate (in this case, decomposition of the HNO3). Was the intent here to convert almost all of the cellulose to nitrocellulose or just a small portion of it?
@wireman40292 жыл бұрын
Geez, you're going to have forearms like Popeye if you make too much of that with that hand pump, lol.
Пікірлер
What kind of plastic are used for the containers?
❤❤❤
Just found your videos and googled you. You passed away in 2018, thank you for your work, may it live on and inspire more people. Going to buy your book!
Damn, wanted to ask the guy a question. RIP Robert.
calling all homies from spoto
He REALLY does sound like Mr. White.
will this work with 10% or 8% HCl , toilet bowl cleaner to be exact
Why you're not posting videos sir it's very much useful.. it's posted 13 yr ago I need more on the experiments
I just found his videos and am very saddened that there will be no more by him. Those interested in chemical microscopy see The Microscopy Lab.
😊
I want to make TiO2 plates for experimenting with organic solar, i assume the process is mostly the same. Would you recommend the same binder? What else? What about sodium silicate?
What if all I have on hand is cupric 2 acetate? Can I use it?
Wow! Is Professor Poliokof over there? Where's the quiet bald assistant called the stig?
Thsbks vety much for exellent experiment and explanation .Just wondering where can I buy all chemicals /substance which hacebren used in given rxperiment?
Thank you for posting this. Im going to be testing a Boron vitamin from amazon with this test. Crush up a pill into water and dilute thru different ratios. If im getting this right ill use a fuel stove methanol and mix with tumeric to create my yellow dye. if i see a colour change ill know im dealing with sugar pills like some reviews have stated.
He mentioned that if we don't have access to alumina we can also use cornstarch or talcum powder. So can I use just about any type/brand of cornstarch or talcum powder or do I have to look for something specific? And can I just use it directly or is there some sort of process before? Hoping for a clear answer (I need to do this for a school project)
Howes or Lome Depot. * confused face * what??!🤔 LOL!
Somewhere floating around the internet was a wiki of the sources of chemicals that could commonly be found in hardware stores that IIRC was related to the book. Does anyone by chance remember it?
Wow didnt see that coming.nice video.
thank you very much. safety is SO important and so often overlooked. the time to be safe, to be prepared, is BEFORE you need to be. great point about possibly not being able to see your way to the sink. subbed.
2:17 3:36
I favorited this video 13 years ago crazy
Some points: Need to specify acid strength more tightly than "concentrated". How about DENSITY. Or %. Do mention developing pulmonary edema from NOx exposure. Doing this type of reaction indoors can damn well kill you and you'll not know how badly you screwed up for hours after your exposure. Drowning from your acid fume burned lungs filling with fluids is a NASTY, slow way to die. "Guncotton" isn't what you were making here. Acid concentration and reaction time were not sufficient. "Pyrocellulose", maybe. "Nittocellulose" possibly. These are actual technical terms, related to how thoroughly the cellulose has been nitrated, freaking look it up. Occluded acid inside the NC fibers is rather hard to remove and will cause your (somewhat) nitrated cellulose to degrade, off gas and possibly auto ignite if stored. It takes a LOT more washings (ideally including BOILING in several of these wadhings)to remove as much acid as possible to begin with- And generally, impregnation with stabilizing chemicals after all those washings to allow safe storage. Urea, diphenylamine, centralites & etc. are all good things to know about. Screw nitrating cotton balls with their fat, hard to wash fibers. Use the thinnest, purest non scented toilet or tissue paper you can find instead, run it in a blender during an early rinse stage to break it up into finest particles you can too, the shorter the cellulose fibers, the more thoroughly you can wash out the acids.
Rest In Peace Robert
5.1 molarity is how many percent hydrochloric acid?
I know that these videos are old... however even today they are an absolute wealth of knowledge. Thanks for taking the time to make and share this with the world, generations are learning by your efforts. Hoping all is well with you and yours Thanks
i have just discovered that when I poured 1/2 of this stuff into our clogged kitchen floor trap (i pumped out the water first), It ATE thro the upvc floor traps and left a hole thro to the apartment unit below ours !!! Now we need to see him to sort this out😱
Hi sir , please is this pigment really violet like of we see its reflexion by spectroscope we will see the true 400-420 nm light , or its just a mixtur of deep blue with red ? Thabk you
Can i use calcined alumina or fumed silica ?
clever
My dad thinks this was Nurdrage lol
Amazingly simple method to get cheap useful dilute analytical grade HCl, simply genius! Not much work to do this, even if it takes a fairly long time for diffusion to complete. Perhaps some wicks in the raw acid could increase evaporation area and speed up the process somewhat, glass wool or simply rock wool or something could work?
So any of these reagents will pop hot on any number of everyday drugs and substances. Gotcha.
Miss you Bob
What is the use adding gentian violet solution to the smear?
What is the % muriatic acid you use? Not sure how much to mix if I want say 6% or 5% solution.
he uses 41% or 35%
Hi Robert. Writing for a friend. Why does the solution taste so bad when swallowed in large quantities? Also, it seems to stain the eyeball. Please respond. Thank you.
Can you tell me please is thermal paper also needed to clean from blanket or hot blanket or water?
This is what u use to make a certain not legal product beston the mark et
That is interesting. Do the varying outcomes depend on obvious variables such as temperature, purity, proper mixing etc or is it genuinely just chance
Great job Robert Bruce Thompson! Can"t wait for next video
Can't i just boil it ?
its not only water in mixture
Rest in peace
Useful. Like a couple others I'm thinking desiccant too...
Why am i only now learning about this channel.
I am screaming laughing at the very end. LMAO!!!! It is one of my favorite things to either say, or hear one make a switcheroo of letters in words by accident. I just watched that part again. LOL!!!!!
Whatever happened to this guy?
I would have thought that you'd want to chill the acid+cotton mixture during the nitration to prevent oxidation/runaway nitration. Usually when nitrating organic compounds you should NOT see nearly so much NO2 being evolved as it indicates that side-reactions are happening at a high rate (in this case, decomposition of the HNO3). Was the intent here to convert almost all of the cellulose to nitrocellulose or just a small portion of it?
Geez, you're going to have forearms like Popeye if you make too much of that with that hand pump, lol.
I wonder of this guy is alive now🤔
Home Depot got it