Everything you ever wanted to know about the production and purification of alkali metals

แชร์
ฝัง
  • เผยแพร่เมื่อ 23 ธ.ค. 2024

ความคิดเห็น •

  • @LabCoatz_Science
    @LabCoatz_Science ปีที่แล้ว +104

    It's hard not to be jealous of research labs with literal pounds of cesium, rubidium, and elemental fluorine, lol. Must've been a fun trip for you, great video!

    • @AdvancedTinkering
      @AdvancedTinkering  ปีที่แล้ว +6

      Thanks! Yes, it was an awesome and very interesting day.

    • @BrandonSchabes
      @BrandonSchabes ปีที่แล้ว +3

      don't you mean kilograms ;)

    • @izarscharf7845
      @izarscharf7845 ปีที่แล้ว

      idk id get nervous next to 1kg of Cs just one mistake away from giving everyone a very very bad week ...

    • @Wtfinc
      @Wtfinc ปีที่แล้ว +1

      So fun there is a disco light above the argon dryer

    • @AdvancedTinkering
      @AdvancedTinkering  ปีที่แล้ว +1

      @@tafdiz No, I do not study at this University. But their chemistry department is great!

  • @jackmclane1826
    @jackmclane1826 ปีที่แล้ว +30

    This is on the highest level of educational videos available on TH-cam! Brilliant! My highest respect!

    • @AdvancedTinkering
      @AdvancedTinkering  ปีที่แล้ว +1

      Thank you so much!

    • @Wtfinc
      @Wtfinc ปีที่แล้ว

      There was some “shitty” parts i loved lil

  • @erikdimitrov8140
    @erikdimitrov8140 ปีที่แล้ว +33

    Please make more videos in this lab, especially about fluorine!

    • @AdvancedTinkering
      @AdvancedTinkering  ปีที่แล้ว +5

      I will try my best. But of course he is also very busy and the opportunity must arise.

    • @bfgoalie99
      @bfgoalie99 ปีที่แล้ว +3

      @@AdvancedTinkering We don't mind waiting. He's great

  • @damienmiller
    @damienmiller ปีที่แล้ว +17

    Well done Prof. Dr. Florian Kraus for delivering a fascinating applied chemistry lecture while holding a giant glass apparatus that seemed poised to take out someone's eye.

  • @JohnDDK
    @JohnDDK ปีที่แล้ว +55

    Absolutely amazing video! It’s a pleasure listening to researchers so passionate about their work. So many small but critical details. I would definitely love to hear about their work with fluorine chemistry as well. I wonder if they work with ClF3? It would probably not be as terrifying to someone who is used to working with aggressive alkali metals. I was also intrigued by the very large freezer that said the contents are radioactive. I hope it doesn’t contain ampules with pure Cs-137 😅

    • @JohnDDK
      @JohnDDK ปีที่แล้ว +10

      Oh my god. I just checked out his fluorineisgreat TH-cam channel. It has several videos with ClF3 and even BrF3. I think I’m in love 🥰 😂

    • @AdvancedTinkering
      @AdvancedTinkering  ปีที่แล้ว +8

      Thank you! It was a pleasure listening to him explain the process. As you found out yourself, they do work with ClF3 and BrF3 (The stuff you saw in the fume hood in the beginning was BrF3 with some leftover bromine as an impurity). There was no Cs-137 in that fridge ;). I have only seen a small amount of it, but as far as I can tell, it was mainly used for different uranium and thorium compounds.
      Yes, his channel is great! Definitely worth checking out! Sadly, most videos are relatively low quality. I hope that I will be able to refilm some of the awesome things he did.

    • @SciDOCMBC
      @SciDOCMBC ปีที่แล้ว

      There is even a video on TH-cam in which Prof. Dr. Kraus shows his lab to highschool students, including fluorlab. Unfortunately it is in German.

  • @loberd09
    @loberd09 ปีที่แล้ว +31

    Loved this video. When I was in grad school I was going to work in a lab that used a lot of alkali metals and exotic elements but decided to leave. Also "low temperature" in that lab was about 600C and they'd go up to I think 4,000 or 5,000C for their reactions. have always wanted to do air sensitive work since then (haven't had a chance). Amazing video and great explanations.

  • @SignalDitch
    @SignalDitch ปีที่แล้ว +13

    This was an awesome lab tour. Thank you for getting such a good video, and thanks to Prof. Dr. Kraus for taking the time to thoroughly explain everything. I bet he has some good lab stories.

    • @AdvancedTinkering
      @AdvancedTinkering  ปีที่แล้ว +1

      Thank you! Yes, he mentioned a few situations while showing me the lab and I would love to hear some more of his lab stories.

    • @Fluorineisgreat
      @Fluorineisgreat ปีที่แล้ว +5

      Sure! However, I can't talk about that in public. ;-)

  • @Funkycharms69
    @Funkycharms69 ปีที่แล้ว +1

    Super interested in his fluorine chemistry setup. This might be one of the best inorganic research lab videos related to Alkali metals I have had the opportunity to see.

  • @chuckvanderbildt
    @chuckvanderbildt ปีที่แล้ว +124

    Rummaging around in a drawer full of cesium/rubidium ampoules 😬

    • @darkmf666
      @darkmf666 ปีที่แล้ว +29

      Yeah I feel that those ampoules should probably be stored a little better protected... :D

    • @ogonbio8145
      @ogonbio8145 ปีที่แล้ว +1

      Keep crying. This guy probably has a PhD.

    • @darkmf666
      @darkmf666 ปีที่แล้ว +15

      @@ogonbio8145 The physicists working on the demon core in Los Alamos probably also had a PhD. Its not like that kept them safe from a slipping screwdriver making it go critical. Smart people make mistakes all the time. I don't need to have a PhD to imagine its sub ideal to store glass containers like that. Besides perhaps my original remark was partly in jest :)

    • @ogonbio8145
      @ogonbio8145 ปีที่แล้ว +9

      @@darkmf666 honestly, I just like the spectacle of it, and they probably do too. 😂

    • @Fluorineisgreat
      @Fluorineisgreat ปีที่แล้ว +5

      @@darkmf666 Nah, they sit on sand in a cabinet that withstands 90 minutes in a fire. Perfect place ;-)

  • @coldfinger459sub0
    @coldfinger459sub0 ปีที่แล้ว +6

    Every high school and college chemistry enthusiast or DYI is drooling in envy over this selection.
    Every kid or adult likes child who likes fire and explosions and performing chemical reactions would be in heaven with this treasure trove

  • @crabmansteve6844
    @crabmansteve6844 ปีที่แล้ว +7

    This is an incredible lab, thank you and the professor for this kind of access.
    Not something we get to see often. This stuff, especially in this quantity is only ever seen in industry or academia.
    Part of me feels like those ampoules should be stored in a box, nested in form fitting closed cell foam.
    Just the thought of Rummaging around in a drawer full of alkali metals makes my butt pucker.

  • @nolansykinsley3734
    @nolansykinsley3734 ปีที่แล้ว +1

    I just keep coming back. I have watched this video probably 10 times and I cannot get over it, it is simply amazing. I love chemistry and also have a special place in my heart for glassblowing, seeing the two come together in such a spectacular way is truly inspiring. I wish I could make a living as a scientific glassblower, dream job of mine but I have literally no skill in the field, just a pipe dream if you will.

  • @terrydavis8451
    @terrydavis8451 ปีที่แล้ว +4

    As a glassblower who makes bongs I am in awe of the skills of the lampworkers.

  • @nomcopterlabs
    @nomcopterlabs ปีที่แล้ว +8

    What a cool video! I would absolutely like to see more of his lab and procedures. Really cool to see how that last bit of purity can be squeezed out when you have the need and the resources to do so. I think I can use the pouring idea as well to make some cleaner NaK ampoules even without a proper vacuum/argon flushing setup.

  • @TACCOFSX
    @TACCOFSX ปีที่แล้ว +3

    the infos on the glovebox and how it can kill certain chemicals was really eye opening

    • @AdvancedTinkering
      @AdvancedTinkering  ปีที่แล้ว

      Indeed. You often don't think about the fact, that a glovebox is far from a perfect inert environment.

  • @ChemicalForce
    @ChemicalForce ปีที่แล้ว +4

    0:26 XeF2 😍
    Cool video and cool equipment!

    • @AdvancedTinkering
      @AdvancedTinkering  ปีที่แล้ว +2

      Yes! First time for me to see a noble gas compound in person.
      I may be able to film the synthesis of a halogenfluoride (hopefully ClF3) in the future. Maybe there is, at some point, the opportunity to film the preparation of XeF2.

    • @saadahmad21
      @saadahmad21 ปีที่แล้ว +1

      Where is our xenon video mr chemicalforce :D

    • @ChemicalForce
      @ChemicalForce ปีที่แล้ว

      ​@@saadahmad21

  • @MARKE911
    @MARKE911 ปีที่แล้ว +2

    This is amazing to see this.the custom glassware and the process is way beyond what I expected. I felt nervous watching. Thank you.

  • @WobblycogsUk
    @WobblycogsUk ปีที่แล้ว +6

    What an amazing video, I'd love to see more of his work. Those draws full of ampules of rubidium and caesium made me nervous.

    • @AdvancedTinkering
      @AdvancedTinkering  ปีที่แล้ว +2

      Thank you! I will try to arrange another meeting with Prof. Kraus.

  • @BackMacSci
    @BackMacSci ปีที่แล้ว +2

    This channel makes nerds very happy.

    • @zyeborm
      @zyeborm ปีที่แล้ว

      caesium plasma torroid when? ;-)

    • @BackMacSci
      @BackMacSci ปีที่แล้ว

      @@zyeborm hahah maybe happen this year?

    • @AdvancedTinkering
      @AdvancedTinkering  ปีที่แล้ว

      I am absolutely down for that!

  • @electricalychalanged4911
    @electricalychalanged4911 ปีที่แล้ว +3

    Fascinating. I am working in a research lab for Li and Na Batteries. Seeing all these complecated destilation apparatus makes clear to me why we do not purify all our alkali metals ourself. We also have super pure Li. Very cool Video.

    • @hunterm9
      @hunterm9 ปีที่แล้ว

      Sorry for reviving an old comment, but what lab do you work at? I'm also working in battery lab at the moment

  • @Glock_Maw
    @Glock_Maw ปีที่แล้ว +1

    This channel is a hidden gem

  • @peterwoolliams1283
    @peterwoolliams1283 ปีที่แล้ว +1

    Could watch Prof Kaus all afternoon!

  • @-feonix48-47
    @-feonix48-47 ปีที่แล้ว +8

    Holy shit I know this guy is _the_ expert but he’s reeeeaaaallly comfortable being around that much pure cesium

    • @-feonix48-47
      @-feonix48-47 ปีที่แล้ว +2

      I would NOT be holy shit

    • @Fluorineisgreat
      @Fluorineisgreat ปีที่แล้ว

      There are worse - much worse - things in life.

  • @ericcarabetta1161
    @ericcarabetta1161 ปีที่แล้ว +2

    I'm equally fascinated by all the super elaborate glass contraptions they just have lying around.

  • @mastonlyons8878
    @mastonlyons8878 ปีที่แล้ว +1

    Thank you for posting this amazing video!

  • @artcox2991
    @artcox2991 ปีที่แล้ว +1

    Absolutely loved seeing these techniques for working with the more reactive alkali metals. Thanks!

  • @TheZombieSaints
    @TheZombieSaints ปีที่แล้ว +1

    Some of the distilling equipment he mentioned... Mind blown 🤯 wicked video

  • @andryjborys5789
    @andryjborys5789 ปีที่แล้ว +2

    Fantastic video! Those ampoules and canisters of alkali-metals are amazing!

    • @AdvancedTinkering
      @AdvancedTinkering  ปีที่แล้ว +1

      Thanks! Yes, they are impressive. I would love to see them distill the cesium out of the large canister.

  • @chemistryofquestionablequa6252
    @chemistryofquestionablequa6252 ปีที่แล้ว +10

    Smuggled rubidium? I didn't even know people did that. Great video!

    • @AdvancedTinkering
      @AdvancedTinkering  ปีที่แล้ว +7

      As far as I know, it is smuggled to sell it to gullible people as an investment. Of course, cesium and rubidium are expensive, but they have virtually no value because the demand worldwide is incredibly low.
      Thanks!

    • @chemistryofquestionablequa6252
      @chemistryofquestionablequa6252 ปีที่แล้ว +2

      @@AdvancedTinkering that's kinda hilarious

    • @petevenuti7355
      @petevenuti7355 ปีที่แล้ว

      @@AdvancedTinkering like tellurium?

    • @victordonchenko4837
      @victordonchenko4837 ปีที่แล้ว +4

      Everything that wasn't nailed down in the Soviet bloc was basically sold off during decommunization.

    • @antejl7925
      @antejl7925 ปีที่แล้ว

      @@victordonchenko4837 yes that is what I am thinking, it was something stolen in the DDR. .

  • @vaheakli4551
    @vaheakli4551 ปีที่แล้ว +1

    Beautiful!
    I do want another video with him

  • @Phred_Phlintstoner
    @Phred_Phlintstoner ปีที่แล้ว +3

    Awesome video! I would love to see anything you would setup with this professor in the future! The knowledge shared with us between the two of you is amazing! You definitely gained a new subscriber!

  • @establisha
    @establisha ปีที่แล้ว +1

    loved thiis video, and would love to see a second video with this professor! keep the great content up!

  • @aaronclair4489
    @aaronclair4489 ปีที่แล้ว +2

    Wonderful video, thank you for making it. I subscribed to both your channel and Prof. Dr. Kraus' channel.

  • @puo2123
    @puo2123 ปีที่แล้ว +6

    Amazing video! Please also do a video on Uranium and Thorium chemistry with him.

    • @AdvancedTinkering
      @AdvancedTinkering  ปีที่แล้ว +1

      Thank you!

    • @puo2123
      @puo2123 ปีที่แล้ว +3

      @@AdvancedTinkering you might also be able to make a video about the institute where i do my thesis. We have heavier element like Np, Pu, Am...

    • @AdvancedTinkering
      @AdvancedTinkering  ปีที่แล้ว

      @@puo2123 I hope to meet with him again to make videos about his other projects.
      Sounds very interesting. In which institute are you doing your thesis? The problem is that it can't be too far away. With the channel I don't earn nearly enough to afford longer trips :D.

    • @puo2123
      @puo2123 ปีที่แล้ว +2

      @@AdvancedTinkering it is the Institute for Nuclear Waste Disposal in Karlsruhe. Or in german "Institut für Nukleare Entsorgung" at the KIT.

  • @JustAnotherAlchemist
    @JustAnotherAlchemist ปีที่แล้ว +5

    You know you're a true nerd when you chuckle at the thought of drying agents getting dried out by your reagent. 😂

  • @torydavis10
    @torydavis10 ปีที่แล้ว +1

    I stumbled across fluorineisgreat a few years ago, it's pretty well the best&only place I know on youtube to see bricks burn. If you plan to play with him some more and potentially do some inappropriate fluorine chemistry with your much better camera I'd be stoked.

  • @Ink_Tide
    @Ink_Tide ปีที่แล้ว +1

    Fluorine is indeed great. Truly fascinating to learn about the role of moisture inclusions in the caesium/PTFE reaction - really makes me want to see if caesium reacts readily with more fluorinated carbon compounds like perfluoromethane, since breaking the "strongest bond in organic chemistry" is pretty useful.

  • @Nick-ed4uh
    @Nick-ed4uh ปีที่แล้ว +4

    Very interesting to see how professionals work with the alkaline metals, I see it's not too different from how you do it! I'm personally very curious about the one alkaline metal that is mentioned but not shown in the video and that is lithium. I need a very pure sample for an experiment I'm performing and for this purpose I've welded a steel destillation apparatus together (because I found out glass is less than ideal) to be placed in a vacuum oven with different temperature zones. I will construct a glove box to connect to the vacuum oven to extract the lithium and perform my experiment. I was planning to have a hot plate with magnetic stirrer to heat up a pressure cooker without the lid that contains molten lithium to absorb anything that could otherwise react with my destilled lithium. After the experiment I can put the lid on to safely store it. If you could ask professor Kraus to show his steel and tantalum lithium destillation apparatus and his hot plate with lithium granules next time you visit him I would really appreciate it, and I think it would make an interesting video. Thanks!

  • @dielaborratten
    @dielaborratten ปีที่แล้ว +1

    Prof. Dr. Kraus ist der beste💪 super netter und kompetenter Professor

    • @AdvancedTinkering
      @AdvancedTinkering  ปีที่แล้ว +1

      Definitiv! Euer Video ist auch super! Vor allem die Synthese von BrF3 sieht man nicht alle Tage.

    • @dielaborratten
      @dielaborratten ปีที่แล้ว

      @@AdvancedTinkering danke 😊

  • @chuckvanderbildt
    @chuckvanderbildt ปีที่แล้ว +5

    I love that the argon cylinder at the end is labeled ARRRGON.

    • @Fluorineisgreat
      @Fluorineisgreat ปีที่แล้ว +3

      Pirates everywhere!

    • @gerardbroek1943
      @gerardbroek1943 ปีที่แล้ว +1

      More lab humor with the discolights and the safety sticker of 'do not touch... it will hurt while dying'.

  • @frittensindkunst2837
    @frittensindkunst2837 ปีที่แล้ว +3

    Great stuff, would love to see a vid about fluorine!

    • @AdvancedTinkering
      @AdvancedTinkering  ปีที่แล้ว

      Thank you! I can't promise it, but I hope I will be able to film another video about fluorine at his lab.

  • @GTS00000
    @GTS00000 ปีที่แล้ว

    Excellent, pleas more of this dude

  • @Ambient_Scenes
    @Ambient_Scenes ปีที่แล้ว +2

    This is really cool, but also slightly terrifying. Great video.

  • @chrisjones-fp5vd
    @chrisjones-fp5vd ปีที่แล้ว +2

    Awesome! Would love more of this

    • @AdvancedTinkering
      @AdvancedTinkering  ปีที่แล้ว +2

      Thanks! I will try my best!

    • @pabstkkx
      @pabstkkx ปีที่แล้ว +2

      @@AdvancedTinkering and include the Professor as well if possible please. Really sympatic Dude and great in explaining!

    • @AdvancedTinkering
      @AdvancedTinkering  ปีที่แล้ว

      @@pabstkkx I will. Yes he is a great person and you immediately know he loves what he does.

  • @GodlikeIridium
    @GodlikeIridium ปีที่แล้ว +1

    Amazing interesting video!

  • @weekendstuff
    @weekendstuff ปีที่แล้ว +1

    Nice process shown here.
    Weekend Stuff

  • @kingnotail3838
    @kingnotail3838 ปีที่แล้ว +1

    This was truly *amazing*

  • @joleif4970
    @joleif4970 ปีที่แล้ว +1

    This was awesome!

  • @christopherleubner6633
    @christopherleubner6633 ปีที่แล้ว +4

    Remember using a canister identical to one of those big rubidium containers for filling up the cooling system of an large E-beam evaporator a while back. It held NaK liquid metal alloy and used about half the container worth. 🤓

  • @thetruthexperiment
    @thetruthexperiment ปีที่แล้ว +1

    I love the color of cesium.

  • @mattharvey8712
    @mattharvey8712 ปีที่แล้ว

    Bravo............I'm am amazed u touch in .......cheers

  • @kmagnussen1052
    @kmagnussen1052 ปีที่แล้ว

    WOW! More please.

  • @crazyscience4490
    @crazyscience4490 ปีที่แล้ว +1

    This video made me sub. Keep up the good stuff!

  • @scottrob85
    @scottrob85 หลายเดือนก่อน

    Yes, very interested!!!

  • @JustinKoenigSilica
    @JustinKoenigSilica ปีที่แล้ว +1

    yes! more videos please!

    • @AdvancedTinkering
      @AdvancedTinkering  ปีที่แล้ว

      I will try to make it happen!

    • @JustinKoenigSilica
      @JustinKoenigSilica ปีที่แล้ว

      @@AdvancedTinkering Thank you! I've nearly got my master's in chem but never had much to do with alkali metal chemistry / inorganic chemistry. This is quite novel and i doubt many people have ever seen something like this.

  • @EliasExperiments
    @EliasExperiments ปีที่แล้ว +1

    Wow super spectacular video! Those amounts of Rb and Cs are just mind blowing. Also that idea with the ultrasonic bath, Cs and Teflonpowder really needs to be tetsted. :D

    • @Fluorineisgreat
      @Fluorineisgreat ปีที่แล้ว +1

      Be careful ;-)

    • @EliasExperiments
      @EliasExperiments ปีที่แล้ว

      @@Fluorineisgreat Haha, if you want to join us, I would love that!

  • @jamesg1367
    @jamesg1367 ปีที่แล้ว +1

    Fantastic!

  • @bladdnun3016
    @bladdnun3016 ปีที่แล้ว +1

    I have gotten rid of 100 g of encrusted sodium by cutting it into small pieces and letting it sit on the bench overnight in a metal tub. It completely reacted with and dissolved in the water it drew from the atmosphere. Seems way safer than quenching it in Toluene + iPrOH or whatever, as long as you can make sure nobody else is working in the same space.

    • @Fluorineisgreat
      @Fluorineisgreat ปีที่แล้ว

      Yes, keeping away organics is a very good idea, we also dispose alkali metals in the way you describe it.

  • @edgeeffect
    @edgeeffect ปีที่แล้ว

    That's interesting, I've always thought of getters as just a way of maintaining high vacuum... I've never considered that you could use a getter to absorb a particular containment in a distillation.... And, wooooah, that's something of an amazing piece of glassware - respect to the glassblower who has to repair these over and over again.

  • @Mezuzah87
    @Mezuzah87 ปีที่แล้ว +2

    5:00 Love how they store the large very heavy bottles above the thin delicate tubes, opposite the way it should be.

  • @JackHudler
    @JackHudler ปีที่แล้ว +1

    This was excellent!

  • @chicoroth8679
    @chicoroth8679 ปีที่แล้ว

    very, very impressive.

  • @johnmcclane4430
    @johnmcclane4430 ปีที่แล้ว

    Very interesting, liked it very much.

  • @ionamygdalon2263
    @ionamygdalon2263 ปีที่แล้ว +1

    Chemiolis mentioned your video and here I am :)

  • @iQKyyR3K
    @iQKyyR3K ปีที่แล้ว +1

    This once again confirms my suspicion that the internet actually just consists of German speakers talking to other German speakers in English.

  • @rodrigograss3580
    @rodrigograss3580 ปีที่แล้ว

    This video has not nearly enough the views it deserves

  • @mikeconnery4652
    @mikeconnery4652 ปีที่แล้ว +1

    A great video on how these processes are done. Not that I really completely understand. Still interesting.

  • @owluitar
    @owluitar ปีที่แล้ว

    If I remember correctly, FLiBe Energy is proposing a UF6 fluorination process in his molten salt reactor designs. Kirk Sorensen has been a proponent of this type of tech for a long time.

  • @educatedmanholecoverbyrich8890
    @educatedmanholecoverbyrich8890 ปีที่แล้ว +1

    Fascinating. Thank you so very much.

  • @Muonium1
    @Muonium1 ปีที่แล้ว +3

    42:00 *ARRRGON* - This was the argon smuggled to Germany by the pirates back in the 1980s.

  • @JPMontello
    @JPMontello ปีที่แล้ว +1

    I made cesium azide before! I was too lazy to decompose it in a test tube (and I was worried of residual water being in the cesium azide and blowing up the test tube) but I burned it and it burned with a beautiful purple color!

  • @douro20
    @douro20 ปีที่แล้ว

    Some interesting cans that rubidium came in. They look like they might be aluminium? And why would someone want to smuggle such a thing?

  • @Tomas_Prucha
    @Tomas_Prucha ปีที่แล้ว +1

    Interesting video!

    • @AdvancedTinkering
      @AdvancedTinkering  ปีที่แล้ว +1

      Thanks! It was a great day and really interesting.

  • @theafro
    @theafro ปีที่แล้ว +1

    Probably the coolest glassware on youtube, and then they use it to boil scary metals in, what's not to like?

  • @Alexander666W
    @Alexander666W ปีที่แล้ว +5

    supergeiles Video.
    schau mal ob du bei den nächsten nicht für dich und dein Interviewpartner ein kleines Mikrofon bekommst

    • @AdvancedTinkering
      @AdvancedTinkering  ปีที่แล้ว +2

      Vielen Dank!
      Ja, ich habe unterschätzt, wie laut die Absaugung in dem Labor sein wird. Ich habe die Tonspur versucht zu bereinigen, aber mehr war leider nicht möglich. Für das nächste mal werde ich ein Ansteckmikrofon besorgen.

    • @berlinberlin4246
      @berlinberlin4246 ปีที่แล้ว

      @@AdvancedTinkering und vielleicht trotzdem einen zweiten audio recorder als Backup mitlaufen lassen?
      Super Video Inhalt!
      Bitte mehr davon.

  • @Jonodrew1286
    @Jonodrew1286 ปีที่แล้ว

    Wow so awesome - the closest I have got is reacting Mg with NaOH - it is crude but works -That lab wow!! Lots of plumbing !! Very well explained, Professor, Doctor and Teacher 🙏🙏🙏👌👍 I was curious, I have heard that AlLiH4 is also pretty sensitive to moisture..

  • @wither8
    @wither8 ปีที่แล้ว

    This is SO cool. What about hydrogen embrittlement concerns for the container on last stage of the argon stage?

    • @KallePihlajasaari
      @KallePihlajasaari ปีที่แล้ว

      I would think that it is not going to be a problem. The only critical component was the Quartz tube so should not matter. As for metals it may weaken the shell a little over the years but selecting a suitable metal would reduce any potential danger. It might be a problem if there was a requirement for very critical hardness or strength parameters. Also the amount of H2 is low.

  • @christopherleubner6633
    @christopherleubner6633 ปีที่แล้ว

    The gas cleaner is very similar to the buffer gas scrubber for a MOCVD machine. Definitely want a follow up re Fluorine chemistry 😁

  • @rupantaradhikary6580
    @rupantaradhikary6580 5 หลายเดือนก่อน

    More like this videos 😊

  • @metalblack4697
    @metalblack4697 ปีที่แล้ว

    Fluorine chemistry! Yeah! Please 😁

  • @petevenuti7355
    @petevenuti7355 ปีที่แล้ว +5

    Wow, how do you get permission to do interviews in places like that?
    Insider friend?
    Charm?

    • @AdvancedTinkering
      @AdvancedTinkering  ปีที่แล้ว +5

      I just asked nicely. Prof. Dr. Kraus is very friendly and he likes to share what he is doing in his lab.

    • @petevenuti7355
      @petevenuti7355 ปีที่แล้ว

      @@AdvancedTinkering charm 😄. Seriously, that's really cool. Lucky you. I wish I knew people like that!

    • @darkmf666
      @darkmf666 ปีที่แล้ว +4

      Usually when you ask people to talk about things they are passionate about its not that hard to get them along :)

  • @sch1nken
    @sch1nken ปีที่แล้ว

    43:20 Nice Disco light on this equipment :D

  • @JinKee
    @JinKee ปีที่แล้ว

    1:38 is there anything you can't put in a schott bottle?

    • @Fluorineisgreat
      @Fluorineisgreat ปีที่แล้ว +1

      Yes. All hydrolizable fluorides such as MF6 (M = Mo, W, U, Tc, Re, Ru, Os, Rh, Ir, Pt, ...), XeF4 is especially bad, the halogen florides ...

  • @myLEDTV
    @myLEDTV ปีที่แล้ว +1

    Ein sehr tolles Video und vielen Dank für den Content. Ich frage mich nur warum ich wegen jeder Ethanolflasche und Dose Bremsenreiniger einen mega aufstand mit Gefahrstoffliste, Datenblatt, Gefährdungspotential und Betriebsanweisung mache. Und da liegen die Cäsium-Ampullen in einer Ramschkiste in der Schublade kreuz und quer übereinander. Bissel gefährlich ist das schon, oder?

    • @AdvancedTinkering
      @AdvancedTinkering  ปีที่แล้ว +2

      Vielen Dank!
      Der Schrank ist feuergeschützt und Borosilikatglas ist überraschend robust. Solange man die Ampullen also sorgsam handhabt, besteht keine Gefahr.

    • @Cineenvenordquist
      @Cineenvenordquist ปีที่แล้ว

      Immediately I am struck with a new impression of Marie Curie dodging 3 M fireballs of varying intensity as she finds out which equipment is ok to work with, but it's not true, bending toward optics and chirality over samples of ? pitchblende ? polonium and radium.

  • @PeterPete
    @PeterPete ปีที่แล้ว

    And there was me thinking this video was about the production and purification of alkali metals when in fact the video is about Prof. Dr. Florian Kraus' laboratory and what he does with alkali metals.

    • @AdvancedTinkering
      @AdvancedTinkering  ปีที่แล้ว

      Mh... but the main part of the video is about the production of cesium and rubidium and the distillation of those metals to purify them. And the purification of potassium and sodium.
      What was it, that you are missing?

  • @greenefieldmann3014
    @greenefieldmann3014 ปีที่แล้ว +1

    Dammit I did not have time for this but here we go...

  • @theHiddenStone
    @theHiddenStone ปีที่แล้ว

    How do they store all the crazy glassware?

  • @unf3z4nt
    @unf3z4nt ปีที่แล้ว +1

    @ 1:39.
    Now that is enough of that rubidium stuff to last a lifetime of most people.

    • @christopherleubner6633
      @christopherleubner6633 ปีที่แล้ว

      Especially when you considder new clock lamps are the size of a LED christmas tree bulb and only contain a few mg of it..

    • @Cineenvenordquist
      @Cineenvenordquist ปีที่แล้ว

      RbZrO4 crystals probably have uses in RF stuff ...thick film filters etc.

  • @Dpknox
    @Dpknox ปีที่แล้ว

    What was the value of the confiscated rubidium?

  • @chevy5Gen
    @chevy5Gen ปีที่แล้ว +1

    thanks

  • @tokajileo5928
    @tokajileo5928 ปีที่แล้ว

    do they have NaK in larger quantities like liters?

  • @Fluorineisgreat
    @Fluorineisgreat ปีที่แล้ว

    At 44 min and ca. 40 sec I tell nonsense, the Ti sponge is not reacting with N2 at these temperatures. 1200 °C would be required, which you can't do in a silica tube. However, the N2 content in Ar 4.8 is below or equal to 10 ppm, so it doesn't matter for us.

  • @fletcherreder6091
    @fletcherreder6091 ปีที่แล้ว

    Ok, but why is there a disco light attached to the argon purification setup?

  • @BruceNJeffAreMyFlies
    @BruceNJeffAreMyFlies ปีที่แล้ว +1

    The cesium REACTS with the hot glass?!!? What reaction is that?!?

    • @AdvancedTinkering
      @AdvancedTinkering  ปีที่แล้ว +1

      Im not the expert, but probably very similar to the reaction of lithium with glass. The silicone dioxide gets reduced to elemental silicone and the alkali metal oxides form. I made a video about the reaction between lithium and glass.
      I never witnessed cesium reacting with glass to the point were it becomes brown. The temperatures probably need to be very high.

    • @BruceNJeffAreMyFlies
      @BruceNJeffAreMyFlies ปีที่แล้ว

      @@AdvancedTinkering That makes perfect sense. Just watched that video, after it showed up on my feed, and I gotta say.. Thanks for sacrificing the glassware, it was a very informative video :)

    • @Fluorineisgreat
      @Fluorineisgreat ปีที่แล้ว +1

      @@AdvancedTinkering The Cs reacts with the borosilicate glass. Cs goes in, Na+ and K+ are reduced and leave the glass as Na, K. So, locally you get a (brownish) Cs-glass that has a different thermal expansion compared to the borosilicate glass. When cooling, it usually breaks.

  • @unknown-ql1fk
    @unknown-ql1fk ปีที่แล้ว +1

    This is great and im not a pro-chemist

  • @thelazy0ne
    @thelazy0ne ปีที่แล้ว +2

    That place better not get flooded 🤭

    • @SeanCMonahan
      @SeanCMonahan ปีที่แล้ว

      With the amount of rubidium and cesium, a couple raindrops would be a sufficient flood to wreak havoc.

    • @Fluorineisgreat
      @Fluorineisgreat ปีที่แล้ว +1

      Doesn't matter, all is tightly sealed ;-)

  • @gavinlamar823
    @gavinlamar823 ปีที่แล้ว

    Where do you buy your cesium chloride that you used in your other videos and how much was it per gram?

    • @AdvancedTinkering
      @AdvancedTinkering  ปีที่แล้ว

      I bought it from a German seller (s3-chemicals). The price of course depends on the amount you buy. 100 g are 40 €.

    • @gavinlamar823
      @gavinlamar823 ปีที่แล้ว +1

      Thanks, good job on the video, really interesting.

  • @glass1258
    @glass1258 ปีที่แล้ว +1

    What about sneezium ? Anyone have samples of sneezium ?

  • @Wtfinc
    @Wtfinc ปีที่แล้ว +1

    When you realize the scientist has been saying “shitty”

  • @JohnMeacham
    @JohnMeacham ปีที่แล้ว

    Do you think it is possible to recover neodymium metal from chipped or crushed neodymium magnets?

    • @Fluorineisgreat
      @Fluorineisgreat ปีที่แล้ว

      Yes, depending on what efforts you want to go through.