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Author: Subject: Looking to buy a Buchi Rotavapor M Condensor
Picric-A
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thumbup.gif posted on 7-9-2009 at 07:40
Looking to buy a Buchi Rotavapor M Condensor


I have recently bought off Stateofhack a Buchi Rotovapor M however it did not come with the condensor.

Has anybody got one they are willing to sell?

Alternativly does anybody know where i could buy one?

I am located in London, England.

Many thanks,
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entropy51
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[*] posted on 7-9-2009 at 08:00


I have one I will trade you for some bromine and a fume hood.

https://www.sciencemadness.org/whisper/viewthread.php?tid=12...

[Edited on 7-9-2009 by entropy51]
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Picric-A
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[*] posted on 7-9-2009 at 08:19


haha
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hissingnoise
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[*] posted on 7-9-2009 at 08:31


Normal for Norfolk. . .

Sorry PA; temptation, you know.

[Edited on 7-9-2009 by hissingnoise]
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DJF90
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[*] posted on 7-9-2009 at 09:49


I have this model rotovap, BNIB :P
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panziandi
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[*] posted on 7-9-2009 at 09:56


I looked into this and spoke to Buchi rep regards the M series, they couldn't even locate me a manual, so I doubt the glassware is available. If I recall correctly the M series was a micro series designed for 50mL flasks or so, and had unique glassware. Buchi glassware is expensive at the best of times, let alone when you have to find glassware for a model that's no longer supported.



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DJF90
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[*] posted on 7-9-2009 at 09:58


Luckily I dont have to find my glassware. The seals that are needed bewteen the screw joints are probably just as hard to find, although mine came with spares so its all gravy. And panziandi - the distilling flask is 250ml, as is the recieving flask. I have some pictures around here somewhere...
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panziandi
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[*] posted on 7-9-2009 at 10:00


Ah well 250mL flask, not that big, I do love my R-series tho :P



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Picric-A
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[*] posted on 7-9-2009 at 12:02


Wow panziandi didnt insult me... we are making progress :)


@Panziandi - I emailed Buchi and they said they could aquire me one. so if all else fails i go with that but like you say it will be expencive.
How big is your R-series? 250ml is good enough for me, i only ever work on 10g scale ish, but i agree the waterbath seemed smaller than i expected!

@DJF90- have you had any probelms with your model? i.e. is it reliable? how long have you had yours for?
What are the seals you mention? i must look into this aswell obviously :(


edit; the ground glass on the rotovap is 14/23 size so surly a connector can be attached to connect it to any size flask (providing you use a larger water bath.)

[Edited on 7-9-2009 by Picric-A]
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Picric-A
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[*] posted on 7-9-2009 at 12:11


This is what Buchi sent me. I am not sure out of that what i need to buy so Stateofhack, if you read this, please could you tell me if it has all of the above (exept the condensor of course).

Thanks

Untitled.jpg - 29kB
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[*] posted on 7-9-2009 at 12:21


R-series is standard size in an undergrad organic lab, but you wouldnt know about that. The waterbath happily accomodates the 250ml florence flask, and I have no doubts that even a 500ml flask could be used. The model comes with a B14 connector also to enable use of quickfit flasks. As I said upthread its BNIB, I only assembled it to check I wasnt missing anything, and I didnt try it as a) theres no need to - I could see its brand new and b) I couldnt be bothered to fit plugs to it.

EDIT: That picture is a poor image. Better quality please?


[Edited on 7-9-2009 by DJF90]
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Picric-A
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[*] posted on 7-9-2009 at 12:22


Sorry what does BNIB mean?
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DJF90
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[*] posted on 7-9-2009 at 12:23


BNIB means Buy New In Box...

Any chance of better picture quality?

[Edited on 7-9-2009 by DJF90]
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[*] posted on 7-9-2009 at 12:34


Yes they had scans on the bits, but the woman I spoke to seemed to think that having any spares would be extremely unlikely seeing as the model is something like 25 years old (perhaps older!). The spares aren't listed on the Buchi site nor do any of the regular traders of Buchi list the M-series parts. Of course they probably do have spares for engineers but I wouldn't hold my breath. BTW if you only have the motor and bath you will need ALL the glassware, seals, gaskets, and fittings.



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[*] posted on 7-9-2009 at 12:42


I seem to remember it being a 1970's-80's model. I cant remember what year production commenced or ceased, but its a fair assumption that the parts aren't lying about any more. If anything you could have one custom made, but I would expect you could get a new rotovap for that. There was a Bibby one on Ebay for £199.99 BIN that came with condensor but no waterbath. You're right in saying that Picric-A needs the rest of the glass and the gaskets, the joint connector(s) and also possibly also a new seal, depending on how used the rotovap is. Mine came with a few spares but theres no way on earth I will part with them.
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[*] posted on 7-9-2009 at 12:43


This is what i have;
http://www.sciencemadness.org/talk/viewthread.php?tid=12673#...

I think the only glassware i need is the condensor and two flasks but as you can see in the outline pics i posted the condensor looks like ti doesnt have the vaccum fitting so im stuck on that...

Thanks for your help
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[*] posted on 7-9-2009 at 12:49


If you could post a better quality image of the document above then we can help you more...
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[*] posted on 7-9-2009 at 12:50


Quote: Originally posted by Picric-A  
Wow panziandi didnt insult me... we are making progress :)


Monday is not panziandi's assigned day. We had to divide it up into shifts to provide adequate coverage for the three of you (Picric, Saber, and Labxyz).

When are you gonna post the pics of your contact process?
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[*] posted on 7-9-2009 at 12:57


Quote: Originally posted by entropy51  
Quote: Originally posted by Picric-A  
Wow panziandi didnt insult me... we are making progress :)


Monday is not panziandi's assigned day. We had to divide it up into shifts to provide adequate coverage for the three of you (Picric, Saber, and Labxyz).

When are you gonna post the pics of your contact process?


Oh ok, well you wont be seeing my other personnalities for a while, as my contact plant. I am back at school now, so 6 weeks till im home again :) then i can post everything.
Why are you so impatient, i cant remember who but someone else posted pics on their attempt at oxidising SO2 using V2O5 and theirs looks much better than myn. Myn is just a SS pipe (sulphur burner) with a glass tube comming off wound in NC to heat it to the correct temp with the cat inside followed by 3 conc H2SO4 absorbers.

@DJF90 - cool i will try, the problem is the orgional doc., is too big so i had to resize it.

[Edited on 7-9-2009 by Picric-A]
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[*] posted on 7-9-2009 at 13:02


Attach it as a PDF

I think Entropy's point is that you're claims concerning the contact process plant are bullshit. Fleaker was the "other guy" doing this project IIRC, and he found it hard to get respectable yields, so we hardly doubt you, a 14 year old child (or is that just labxyz? I suspect you arent much older than that otherwise) could rival the industrial yields. To think you had me fooled for a minute is embarassing.
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[*] posted on 7-9-2009 at 13:06


take 2 :)

Untitled.jpg - 104kB

Sorry i dont knwo how to make PDF's

[Edited on 7-9-2009 by Picric-A]
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[*] posted on 7-9-2009 at 13:09


Quote: Originally posted by DJF90  

I think Entropy's point is that you're claims concerning the contact process plant are bullshit. Fleaker was the "other guy" doing this project IIRC, and he found it hard to get respectable yields, so we hardly doubt you, a 14 year old child (or is that just labxyz? I suspect you arent much older than that otherwise) could rival the industrial yields. To think you had me fooled for a minute is embarassing.


Yea i know people think its bullshit but idgas, people are quick to make assumptions, ill live with that!
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[*] posted on 7-9-2009 at 13:10


That document is not helpful. Looks like you are out of luck. The picture of the condensor is not complete - I see parts missing.
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[*] posted on 7-9-2009 at 13:11


does the ocndensor you own have a vaccum tap attached ect?
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[*] posted on 7-9-2009 at 13:12


nope - thats a separate peice.
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