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Solvent Replacement: The need to change solvent either from a reaction solvent to a crystallizing solvent or during reaction telescoping in a process

kilomentor | 09 April, 2007 19:29

 

 

 

 

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Chemical terms solvent

Comments

Re: Solvent Replacement: The need to change solvent either from a reaction solvent to a crystallizing solvent or during reaction telescoping in a process

Lex | 09/04/2007, 15:30

This is probably the BIGGEST chemical engineering blog online!
Great job!

Re: Solvent Replacement: The need to change solvent either from a reaction solvent to a crystallizing solvent or during reaction telescoping in a process

J. Gerstein | 27/04/2008, 15:42

I need an azeotrope for acetone (min 85%) that will boil at no less than 64C. This is for use as a tissue dehydrant in an open system for an early cerical ca. diagnostic procedure. Can you help?

Azetrope database

Murphy | 22/03/2009, 05:10

Referring to J. Gerstein (27/04/2008; although a bit outdated now):

A very useful online database for a diversity of azeotropes can be found here:

http://eweb.chemeng.ed.ac.uk/chem_eng/azeotrope_bank.html

That's my usual reference when it comes to removing high boiling (but still somehow volatile) impurities from reaction mixtures.

Re: Solvent Replacement: The need to change solvent either from a reaction solvent to a crystallizing solvent or during reaction telescoping in a process

backgammon gratuit | 08/08/2010, 10:42

In this article I will use the term somewhat polar solute. The operational definition will be a solute that can in no more than three equal volume extractions be removed from hexane into methanol. Such solutes I imagine in my mind as being generally less than 400 Mw and contain several at least moderately polar functional groups such as alcohol, ketone, ester and amide. I Ddon't understand

 
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