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Author: Subject: Can someone explain how this "Distilling Adapter" works?
SuperOxide
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[*] posted on 7-1-2025 at 04:11
Can someone explain how this "Distilling Adapter" works?


Can someone explain how this "Distilling Adapter" is meant to work? It seems pretty different than any type of distillation adaptors I'm familiar with.

Chemglass CG-1235-52 Distilling Adapter.png - 983kB

If I had to take a guess, I would say maybe it works like this:
Chemglass CG-1235-52 Distilling Adapter2.png - 1.3MB
Basically when the stopcock is open, then the condenser will deliver the distillate to the receiving flask. If its closed, then it will just overflow back into the distillation flask (ie:just refluxing). But again, this is just an assumption because idk how else it would work.

If I'm wrong, I'd like to know.

Thanks!
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igxlabs
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[*] posted on 7-1-2025 at 05:10


I've not seen this before but funny enough it's how I frequently arrange my apparatus. Thermowell / thermometer on the left port. Reflux condenser on the right. Depending on what you're trying to accomplish, you can let it reflux and then draw off through the stopcock.

In my case I sometimes have the top of the reflux condenser going to other glass and condensers to catch what makes it out the top.

I wish I had something like this because it would make my setup a bit more compact.

But what I just described is only a guess, really.

Edit: Chemglass has a page for these: https://chemglass.com/adapters-distilling-process-reactors

[Edited on 7-1-2025 by igxlabs]
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Keras
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[*] posted on 7-1-2025 at 06:11


This looks like a very-short version of a Dean-Stark apparatus, really.
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bnull
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[*] posted on 7-1-2025 at 06:38


It looks like a better-looking version of the adapter in figure 2.106 in page 178 of Vogel's Practical Organic chemistry, 5th edition.



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SuperOxide
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[*] posted on 7-1-2025 at 06:51


Quote: Originally posted by igxlabs  
I've not seen this before but funny enough it's how I frequently arrange my apparatus. Thermowell / thermometer on the left port. Reflux condenser on the right. Depending on what you're trying to accomplish, you can let it reflux and then draw off through the stopcock.

In my case I sometimes have the top of the reflux condenser going to other glass and condensers to catch what makes it out the top.

I wish I had something like this because it would make my setup a bit more compact.

But what I just described is only a guess, really.

yeah, I've done that a few times. Its a good space saver

Quote: Originally posted by igxlabs  
Edit: Chemglass has a page for these: https://chemglass.com/adapters-distilling-process-reactors

[Edited on 7-1-2025 by igxlabs]

Nice find. I guess that answers the question, lol.


Quote: Originally posted by Keras  
This looks like a very-short version of a Dean-Stark apparatus, really.

Exactly my thoughts.
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