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Author: Subject: Mystery Glassware Identification Thread
j_sum1
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[*] posted on 30-10-2022 at 15:07


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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[*] posted on 25-11-2022 at 06:25


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
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20221125_092143.jpg - 2.1MB




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[*] posted on 19-12-2022 at 19:31


Quote: Originally posted by unionised  
I was surfing eBay and came across this. The description is "Distillation apparatus reflux Quickfit CB11ND4X"
https://www.ebay.co.uk/itm/Distillation-apparatus-reflux-Qui...

Any suggestions?


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[*] posted on 19-12-2022 at 20:36


Quote: Originally posted by Rainwater  
Not sure if its just a gas scrubber or if they went all out making a bong
I do believe you bought yourself a very dirty bong!



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[*] posted on 13-2-2023 at 08:04


100% bong
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[*] posted on 18-2-2023 at 19:21
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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[*] posted on 18-2-2023 at 19:28


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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[*] posted on 21-2-2023 at 11:15


did the gas inlet and outlet come with it?



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[*] posted on 21-2-2023 at 16:56


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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[*] posted on 24-4-2023 at 02:03


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?



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Rainwater
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[*] posted on 27-4-2023 at 00:22


Is this a Kjeldahl bulb or a Chromotography Reservoir? Or both


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[*] posted on 27-4-2023 at 04:45


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.




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[*] posted on 3-9-2023 at 13:37


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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[*] posted on 3-9-2023 at 14:10


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?



Very interesting looking piece of kit! Could it be used for the separation of aqueous and non-aqueous liquids?
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[*] posted on 3-9-2023 at 19:46


Looks like someone's brilliant idea
that didn't actually work.

OR maybe just a lamp work test/practice piece?




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[*] posted on 2-11-2023 at 05:57


Found this piece of glassware in a garbage area in my school. Does anyone know what this is?

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[*] posted on 2-11-2023 at 09:30


That goes into the top of a kipps apparatus...




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[*] posted on 2-11-2023 at 19:17


Also could be used as a fermentation tube.
https://sklep-chemland.pl/en/lejek-fermentacyjny.html
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[*] posted on 1-12-2023 at 17:01



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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[*] posted on 2-12-2023 at 08:02


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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[*] posted on 16-12-2023 at 18:31



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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