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j_sum1
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That last one is particularly weird. Some kind of jacketed reaction vessel. But I can't imagine what the connections are. The orientation of the
ground joints seems strange. Maybe rotate 90° to the left. Powder input on the side and then stoppered. Addition of liquid and temperature
measurement via the ground joints. Excess solvent or liquid product drains through stopcock. But these are just guesses.
First one looks like a gas drying tube. Bubble chlorine etc through H2SO4. Setup allows for system to be drained without disassembly. But I am not
sure what the spherical bulb is for.
Middle one is a kind of jacketed beaker. But the wide ground glass opening is a bit interesting. Maybe just a lid. Maybe designed to work with
another equally strange piece of glassware.
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Rainwater
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Visited an estate sale this morning. Seen this broken item
It looks like a plate still, with 1 ground glass joint at the base and an open top
Bottom plate has a glass mesh, middle and top plates are bubblers.
Not sure if its just a gas scrubber or if they went all out making a bong
  
"You can't do that" - challenge accepted
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pneumatician
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Mood: ■■■■■■■■■■ INRI ■■■■■■■■■■ ** Igne Natura Renovatur Integra **
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A Hell to clean it!
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Texium
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I do believe you bought yourself a
very dirty bong!
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Raid
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100% bong
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esquizete_electrolysis
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Very odd piece
Don’t know exactly what this is. I got it in a lot for a Soxhlet extractor. It looks like a mixing cylinder but it has a make joint.
 
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Dr.Bob
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That is the bottom of a gas washing tube. The tops get broken easily, and have a fritted tube (and an outlet tube) on a female jointed top. You
would fill the part shown with some liquid or solid to wash the gas in.
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Raid
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did the gas inlet and outlet come with it?
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arkoma
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Here is a similar gas washing bottle base:
eBay link
*edit*
The male joint kind of threw me a bit too.
[Edited on 2-22-2023 by arkoma]
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DocX
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Don't know what it's intended to be, but I would sure use it as a drying tube.
Quote: Originally posted by Konduktor  | Hi there,
Came across this strange piece when looking for glassware on my local auction site. Could anyone identify this mysterious part?
Cheers! |
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Rainwater
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Is this a Kjeldahl bulb or a Chromotography Reservoir? Or both
"You can't do that" - challenge accepted
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Sulaiman
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It is a bump trap, (old design, before rotovaps became commonplace)
Normally fitted above a boiling pot to prevent splashes caused by bumping from reaching the condenser.
CAUTION : Hobby Chemist, not Professional or even Amateur
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Ormarion
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Recently got this extremely weird piece of glassware for wich i have no idea of its use, i believe the coil would be to make the volume of liquid in
it larger or something but i cant find much else
Any idea?
 
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B(a)P
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| Quote: Originally posted by Ormarion | Recently got this extremely weird piece of glassware for wich i have no idea of its use, i believe the coil would be to make the volume of liquid in
it larger or something but i cant find much else
Any idea?
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Very interesting looking piece of kit! Could it be used for the separation of aqueous and non-aqueous liquids?
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Sulaiman
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Looks like someone's brilliant idea
that didn't actually work.
OR maybe just a lamp work test/practice piece?
CAUTION : Hobby Chemist, not Professional or even Amateur
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Parakeet
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Found this piece of glassware in a garbage area in my school. Does anyone know what this is?
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Rainwater
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That goes into the top of a kipps apparatus...
"You can't do that" - challenge accepted
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Fery
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Also could be used as a fermentation tube.
https://sklep-chemland.pl/en/lejek-fermentacyjny.html
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yobbo II
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It's not glassware but I hope that is OK.
What is the extra stuff on this vacuum pump?
on ebay here:
https://www.ebay.co.uk/itm/145441349355?chn=ps&norover=1...
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Cathoderay
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My guess is that the small gray cylinder near the pump input is a vacuum switch. When the vacuum gets down to a low enough value it switches on the
assembly on the left end.
The assembly on the left end with the fins is probably a diffusion pump, a very small one.
The diffusion pump is air cooled. On top of the diffusion pump is maybe a butterfly valve that is controlled by the lever with the black ball handle.
I think there is some sort of plug or reducer on the diffusion pump inlet.
[Edited on 12/2/2023 by Cathoderay]
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yobbo II
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Thanks for reply.
I though the piece with the air heat sink might be a diffusion pump but though it was too small!
The electrical boxes say forevac. and highvac so you are correct.
Yob
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