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Author: Subject: Mystery Glassware Identification Thread
aga
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[*] posted on 17-10-2016 at 13:21


This one looks really odd, and cool too.

Stab in the dark: wierd distillation gizmo.

Condenser goes on top.
Collection flask goes bottom Left.
Boiling flask goes bottom right.

Vapour enters the central column via the middle right hand pipe.

Condensed liquid collects at the bottom of the central column until it overflows via the bottom pipe into the collection flask

The left hand pipe serves as pressure equalisation for the collection flask.

If the collection flask is full, liquid can overflow back into the boiling flask by the bottom right hand pipe.

The top right hand pipe is there in case it all goes fubar with airlocks and the liquid somehow fills the central column.




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Maroboduus
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[*] posted on 19-10-2016 at 15:01


Looks like a reversible oil separator to me. One way around it collects lighter than water oils from steam distillation.
Reverse the collection and boiling flasks and it collects heavier than water oils from steam distillations.

And it could obviously do the same for any other distillation with a 2 component distillate.

This is just what it looks like to me. Never seen one before though. But it seems to be a simple and elegant way to achieve those ends without a bunch of external tubing or valves.
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[*] posted on 19-10-2016 at 15:22


Quote: Originally posted by Maroboduus  
Looks like a reversible oil separator to me. One way around it collects lighter than water oils from steam distillation.
Reverse the collection and boiling flasks and it collects heavier than water oils from steam distillations.

And it could obviously do the same for any other distillation with a 2 component distillate.

This is just what it looks like to me. Never seen one before though. But it seems to be a simple and elegant way to achieve those ends without a bunch of external tubing or valves.

I think you got it.
Now I want one. :D




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[*] posted on 19-10-2016 at 15:36


Quote: Originally posted by j_sum1  
Quote: Originally posted by Maroboduus  
Looks like a reversible oil separator to me. One way around it collects lighter than water oils from steam distillation.
Reverse the collection and boiling flasks and it collects heavier than water oils from steam distillations.

And it could obviously do the same for any other distillation with a 2 component distillate.

This is just what it looks like to me. Never seen one before though. But it seems to be a simple and elegant way to achieve those ends without a bunch of external tubing or valves.

I think you got it.
Now I want one. :D


Same here. Natural products make great starting materials for some of the most interesting reactions.

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[*] posted on 19-10-2016 at 15:52


Agreed. I have an enormous camphor-Laurel tree outside my house. (Actually, the streets are lined with them. They look great but have very invasive root systems.)
Anyway, on my list of things to do is a camphor extraction. Now there's an excuse to buy a soxhlet.




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[*] posted on 19-10-2016 at 16:17


I can make any glassware that takes your fancy. The customised odd looking stuff is always more fun.
Our website:
http://www.ptlabservices.com.au
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[*] posted on 19-10-2016 at 16:42


Quote: Originally posted by Chemetix  
I can make any glassware that takes your fancy. The customised odd looking stuff is always more fun.
Our website:
http://www.ptlabservices.com.au

Looks great chemetix.
Details of your prices and shipping policy would be nice. Maybe you could write yourself a little ad in synthsource. See my sig for details.
(The aussies may as well take over the site. :))




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[*] posted on 20-10-2016 at 03:13


Thanks J_sum. I generally do professional work where the customer asks for a quote and raises a P.O. for the job. I hadn't really thought about the hobby market until now.
For now I'm happy to take inquiries and I'll see what I can do to meet a budget. I'll look into synthsource, (mind if I U2U you J_sum with some questions?)

P.S. my site is being rebuilt ATM and there a few things missing, the tricky e-commerce stuff is harder to set up so it's basics for the moment, it's best to send an e-mail with an inquiry and I'll get back to you for the time being. (I miss the simplicity if a yellow pages ad and a phone; whoever said the information age would make life easier-lied)
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[*] posted on 3-12-2016 at 21:04


I stumbled across this "chemistry experiment item" lol http://www.gumtree.com.au/s-ad/katoomba/collectables/chemist... it looks like it's seen a lot of "experiments"
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[*] posted on 11-1-2017 at 12:31
Aquired some glassware and an old rotavapor-R


Hi all this is my first post on this forum so if this isn't in the right place please move it :)

I recently aquired a Buchi Rotavapor-R and with is came an odd piece of glassware and wondered if anyone could help me identify it. I dont think it belongs to the Rotovap but I could be wrong?

The tube on the left has graduation marks to 25cm3
The tube on the right has a very thin tube running up the centre

If you would like more detailed pics let me know

Thanks for your time

H

20170110_200657-1.jpg - 697kB

[Edited on 11-1-2017 by Hazza001]
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[*] posted on 11-1-2017 at 15:48


Looks kinda like one of those things for getting liquids out of storage bottles without exposing them to atmospheric contamination.

(Just what you need to keep your SO3/ dimethylformamide complex from turning too orange on you before you can use it to make a certain amide for the next Dead show.)
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[*] posted on 11-1-2017 at 16:05


Its an auto-filling burette?
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[*] posted on 11-1-2017 at 22:22


Ah that makes sense I did come with a bulb for applying pressure so it could work for both purposes will test it at some point with some water.
Seems like one of types things which would be a nightmare to clean ha ha
Thank you
H
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[*] posted on 11-1-2017 at 22:41


They are a nightmare to clean. I have one (pictured earlier in this thread I believe) and it's been sitting around dirty for months now since the last time I used it. They're cool, but regular burettes are actually less of a pain in the ass I think.



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[*] posted on 12-1-2017 at 02:07


It is intended to sit in a bottle of standardised solution ready for whenever the need for titration arises. As such it is not meant to be cleaned on a regular basis, rather dedicated to a single titrant.
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[*] posted on 14-1-2017 at 07:22


Quote: Originally posted by zts16  
They are a nightmare to clean. I have one (pictured earlier in this thread I believe) and it's been sitting around dirty for months now since the last time I used it. They're cool, but regular burettes are actually less of a pain in the ass I think.


10 ml automatic burettes are a huge pain in the neck to not just clean, but operate. If your liquid is more viscous than water, and you pump it too quick in the burette cylinder, very often it will get stuck midway due to capillarity. You will have to keep the burette valve open and keep refilling the burette cylinder until the solution level is high enough that it will push the air downwards, though I've had cases when even that didn't work, the liquid would sometimes drain around the air bubble, and I had to completely empty it and restart all over again until I finally managed to fill it properly, which sometimes would take like 10 minutes when it should only take 1 minute. Any automatic burette with a volume larger than 10 ml is much easier to maintain and use, even when they clog.




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[*] posted on 5-2-2017 at 03:55


This was fun to watch. But I haven't got a clue what it is.
https://www.youtube.com/watch?v=5uICxaafY_M



And these!!! There's some weird stuff there. And maybe 10% is obvious what it is for.
https://www.youtube.com/watch?v=lIcpc0eJ5XE


[Edited on 5-2-2017 by j_sum1]
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[*] posted on 5-2-2017 at 13:27


My suspicion is that the first one is a custom steam distillation flask, it has an integrated distillation flask with the water boiling flask.

The other items in the second youtube vid are exam pieces for glass blowers. You get given a drawing which contain elements of glass blowing skills and become progressively harder to do in a given time as the course progresses.
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[*] posted on 18-2-2017 at 01:51
Activated carbon filters and weird timber mortar and pestle like thing




IMG_1428.JPG - 1.3MBIMG_1427.JPG - 1.3MB




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[*] posted on 18-2-2017 at 06:35


Not a filter as such: it's an air sampling tube
http://www.skcinc.com/catalog/product_info.php?products_id=5...
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[*] posted on 27-2-2017 at 15:03


Firstly the wooden thing from a couple of posts back is a crucible die, for stamping out foil crucibles.

This thing here is the dandest thing. It is finely cut black stone, very heavy and has two electrical fittings to it where it would appear something sits. Never seen a bit of kit made from stone and

IMG_1460.JPG - 896kBIMG_1459.JPG - 1008kB




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[*] posted on 5-3-2017 at 08:10


here one piece of glassware

there is no hole between the two part

any idea ?

003.JPG - 2.2MB 005.JPG - 1.9MB

[Edited on 5-3-2017 by Lefaucheux10]
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[*] posted on 5-3-2017 at 08:45


https://en.wikipedia.org/wiki/Abderhalden's_drying_pistol



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[*] posted on 5-3-2017 at 08:47


thank you very much i was thinking of an sublimation thing ...
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[*] posted on 5-3-2017 at 18:45


If anyone here wants their own drying pistol, I have a few of these. I don't know if I have the other piece (tube with a male joint to put the drying agent into), but I can look around.
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