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Previous by Date: Subject: Re: Questions out of my realm Date: Fri, 10 Mar 2006 14:36:04 -0800 Author: Debbie Decker |
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This is a prime reason for reviewing the MSDSs for the material. Use a steam or water bath instead of a hot plate. This should reduce the level. Likewise the work should be carried out in a fume hood that can adequately remove the vapors and keep the concentration of flammable solvents below the LEL. Nathan J Nunn STL EHS Director Cell (832) 746-4976 Fax (713) 436-3592 -----Original Message----- From: DCHAS-L Discussion List [mailto:DCHAS-L**At_Symbol_Here**LIST.UVM.EDU] On Behalf Of ACTSNYC**At_Symbol_Here**CS.COM Sent: Friday, March 10, 2006 10:51 AM To: DCHAS-L**At_Symbol_Here**LIST.UVM.EDU Subject: [DCHAS-L] Questions out of my realm All, I got the following two questions from a colleague and since I work in the art field, these are out of my area. Can I get some help? 1. a student was boiling ether in a large open flask on a stirrer hotplate and the fume alone caught on fire, inside the hood. . Do you have suggestions for them to reduce the ether amount for re-crystallization in a safer manner? 2. a student in was quenching butyl lithium with n-propanol in an open flask and it also caught on fire. Is there a safer way to quench the butyl lithium w;ithout catching on fire? Monona Rossol Confidentiality Notice: The information contained in this message is intended only for the use of the addressee, and may be confidential and/or privileged. If the reader of this message is not the intended recipient, or the employee or agent responsible to deliver it to the intended recipient, you are hereby notified that any dissemination, distribution or copying of this communication is strictly prohibited. If you have received this communication in error, please notify the sender immediately.
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