RE: ORGLIST: trap to trap distillation

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From: Ilya Avrutov (iavrutov$##$dalton.com)
Date: Wed Jun 08 2005 - 08:45:24 EDT


Dear Mizanur,

The difference in boiling points is too small for rotary evaporator.
You could try a fractional distillation of the mixture with effective
fractionation column (in case they don't form azeotropic mixture).

Best,
Ilya


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Ilya Avrutov
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-----Original Message-----
From: everybody-bounces$##$orglist.net [mailto:everybody-bounces$##$orglist.net]
On Behalf Of Md. Mizanur Rahman
Sent: Wednesday, June 08, 2005 8:05 AM
To: everybody$##$orglist.net
Subject: ORGLIST: trap to trap distillation



Dear members

I am facing problem about collection of volatile compound. When i tried to
collect exo-2 fluoronorborane (mp 56-57 C)from dichloromethane ,i could not
get any product after solvent evaporation by rotaryevaporator. Could you
please give me any suggestion?
I would like to know also about trap to trap distillation .Howdoes it work?

I will be happy if anybody suggests me in this reragds.
Thanking you in advance.

Md Mizanur Rahman
mizan_sust$##$yahoo.com

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