Date: Wed, 18 Mar 2009 10:59:52 -0400
Reply-To: List Moderator <ecgrants**At_Symbol_Here**UVM.EDU>
Sender: DCHAS-L Discussion List <DCHAS-L**At_Symbol_Here**LIST.UVM.EDU>
From: List Moderator <ecgrants**At_Symbol_Here**UVM.EDU>
Subject: Re: Procuring Acetonitrile

From: Carolyn Sampson 
Date: March 18, 2009 10:41:27 AM EDT (CA)
Subject: RE: [DCHAS-L] Procuring Acetonitrile

We started capturing our waste and distilling it several years ago as  
a cost savings so we have inadvertently protected ourselves at least a  
little.  We use a simple benchtop still (located in a hood).  You need  
to account for the water content.  (84% acetonitrile, 16% water)

Also, depending on your sensitivity needs, you can simply re-use the  
waste.  That causes a baseline shift, of course, but you can sometimes  
deal with that for a short while.

Good luck!

Carolyn J. Sampson, Ph.D.
Environmental Manager & Chemical Hygiene Officer
Division of Innovation, Technology and Quality
General Mills, Inc.

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