Date: Thu, 9 Jul 2009 13:05:49 -0400
Reply-To: WronaT**At_Symbol_Here**USA.REDCROSS.ORG
Sender: DCHAS-L Discussion List <DCHAS-L**At_Symbol_Here**LIST.UVM.EDU>
From: WronaT**At_Symbol_Here**USA.REDCROSS.ORG
Subject: Re: vacuum filtration safety
Comments: To: kwall**At_Symbol_Here**WAUBONSEE.EDU
In-Reply-To: A<4A55DAC4.FB11.0089.0**At_Symbol_Here**>

style='margin-left:3.0pt;margin-top: 3.0pt;margin-right:3.0pt;margin-bottom:.75pt'>

The trap also prevents contamination of the facilities’ vacuum system in the event the supernatant floods the vacuum flask.

Thomas Wrona

Equipment Systems Manager

Radiation and Chemical Safety Officer

Southeastern Michigan Location

Ohio Michigan Division

Office Phone: 313 494-2894

Facsimile: 313 833-2799

From: DCHAS-L Discussion List [mailto:DCHAS-L**At_Symbol_Here**] On Behalf Of Katherine Wall
Sent: Thursday, July 09, 2009 12:56 PM
To: DCHAS-L**At_Symbol_Here**LIST.UVM.EDU
Subject: [DCHAS-L] vacuum filtration safety

Are there any safety consideration in using vacuum filtration (side-arm vacuum filtration Erlenmeyer flask with adaptor and Buchner funnel using the building vacuum line) without a trap?  Or is the trap's only purpose to collect back-flow from a water aspirator?


Thank you!




Kathy Wall
Chemistry Lab Coordinator
Office SCI 204
Waubonsee Community College
Rt 47 at Waubonsee Dr.
Sugar Grove, IL  60554
(630) 466-7900 ext 2347
email kwall**At_Symbol_Here**

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