DCHAS-L Discussion List Archive
Date: Thu, 29 Jan 2009 15:15:06 -0500
Reply-To: Anne Skinner <Anne.R.Skinner**At_Symbol_Here**WILLIAMS.EDU>
Sender: DCHAS-L Discussion List <DCHAS-L**At_Symbol_Here**LIST.UVM.EDU>
From: Anne Skinner <Anne.R.Skinner**At_Symbol_Here**WILLIAMS.EDU>
Subject: LN2 and NMR
We are involved in a discussion, rapidly getting acrimonious, about
the best way to fill an NMR with LN2. One faction wants to fill as
rapidly as possible; the other very slowly. The safety issue is as
follows. Eventually the rubber hose used in filling will split.
When this happens, if the fill rate is rapid the LN2 will spatter
around, possibly onto anyone supervising the fill, especially as they
try to turn off the flow. Has anyone any experience as to whether
this is actually a threat?
Thank you --
Anne R. Skinner
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Dr. Anne Skinner
Chemistry Department, Williams College
47 Lab Campus Drive
Williamstown, MA 01267
anne.r.skinner**At_Symbol_Here**williams.edu
Phone: (413) 597-2285
Fax No: (413) 597-4116
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