From: Steven Kirincich <skirincich4**At_Symbol_Here**GMAIL.COM>
Subject: Re: [DCHAS-L] Quick question for the group
Date: Wed, 1 Jul 2015 17:43:28 -0400
Reply-To: DCHAS-L <DCHAS-L**At_Symbol_Here**MED.CORNELL.EDU>
Message-ID: 5E3BC68E-ACAD-49BB-9962-CB70AF0547BC**At_Symbol_Here**

As a former organic and medicinal chemist, I can say with certainty that the ethyl acetate and hexanes do not need to be separated from each other. As long as the purification process provides a clean binary mixture, the chemists can use the recycled mixture and add either ethyl acetate or hexanes to get the desired ratio.

Steve Kirincich

On Jun 24, 2015, at 5:53 PM, Jake Hernandez <Jake.Hernandez**At_Symbol_Here**UTSA.EDU> wrote:

Our university just recently became a large quantity waste generator. We have been trying to find ways to reduce/reuse/recycle. One of our largest wastes is from the organic chemists. The waste in question is hexane/ethyl acetate. Has anyone heard of a way to separate these two and reuse them?
Thank you,
Jake Hernandez
Safety Specilaist 2
Lab Safety Division
(210)458-5807 voice
(210)336-9509 cell

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