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Subject: [DCHAS-L] 3 RE: [DCHAS-L] safety glasses for non-caucasian scientists
Date: Thu, 12 Sep 2013 16:31:13 -0400
Author: "Secretary, ACS Division of Chemical Health and Safety" 		Next by Date:
Subject: Re: [DCHAS-L] 4L filter flasks
Date: Thu, 12 Sep 2013 16:44:54 -0400
Author: "Smith, George S."

From: "Alnajjar, Mikhail S" <ms.alnajjar**At_Symbol_Here**PNNL.GOV>
Subject: Re: [DCHAS-L] 4L filter flasks
Date: Thu, 12 Sep 2013 13:43:46 -0700
Reply-To: DCHAS-L <DCHAS-L**At_Symbol_Here**MED.CORNELL.EDU>
Message-ID: 2AF7FC1106E2C841A71E5EE896E4897A018396E1BAA6**At_Symbol_Here**EMAIL04.pnl.gov
In-Reply-To <081D54673FDDB347BC1F77943BC7C7FA0CDC0A**At_Symbol_Here**mx-mb-1.morehead-st.edu>


Very good point Kay.  

 

Sam use extreme caution and shield the set up during demonstration.

 

From: DCHAS-L Discussion List [mailto:dchas-l**At_Symbol_Here**MED.CORNELL.EDU] On Behalf Of Rita Kay Calhoun
Sent: Thursday, September 12, 2013 12:23 PM
To: DCHAS-L**At_Symbol_Here**MED.CORNELL.EDU
Subject: Re: [DCHAS-L] 4L filter flasks

 

                It sounds like you plan on drawing a vacuum on the flask in order to boil water that’s inside.  If so, please don’t.  There is a real danger that the flask might implode.  We tape all our filter flasks against such a possibility.  I would expect a  4-L flask to be even more “imperfect” and likely to break than the smaller ones we use.  Get a Bell Jar.

 

 

Kay

 

From: DCHAS-L Discussion List [mailto:dchas-l**At_Symbol_Here**MED.CORNELL.EDU] On Behalf Of Samantha D
Sent: Thursday, September 12, 2013 11:09 AM
To: DCHAS-L**At_Symbol_Here**MED.CORNELL.EDU
Subject: Re: [DCHAS-L] 4L filter flasks

 

Hi all,

I'm looking for a 4L filter flask for a demo but they all seem to be $150-$250. We are creating a vacuum in order to boil water. It needs to be that big because of the size of the lecture hall. Does anyone have a good website to turn to for glassware like this?

Thank you,

Sam

 

On Thu, Sep 12, 2013 at 10:56 AM, Samantha D <samantha.dannenberg**At_Symbol_Here**gmail.com> wrote:

Hi all,

I'm looking for a 4L filter flask for a demo but they all seem to be $150-$250. We are creating a vacuum in order to boil water. It needs to be that big because of the size of the lecture hall. Does anyone have a good website to turn to for glassware like this?

Thank you,

Sam

 

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