Date: Sun, 1 Feb 2009 19:36:33 -0600
Reply-To: Larry Wilkinson <lewilkinson**At_Symbol_Here**COX.NET>
Sender: DCHAS-L Discussion List <DCHAS-L**At_Symbol_Here**LIST.UVM.EDU>
From: Larry Wilkinson <lewilkinson**At_Symbol_Here**COX.NET>
Subject: 3 Re: [DCHAS-L] LN2 and NMR

I'm somewhat curious as to why anyone would not be using "flexible" (until it cools to LN2 temp) metal-clad cryogenic hoses for this service.  I would never recommend using "plain rubber tubing" to transfer LN2.  The cost of the appropriate personal protective equipment should not be an excuse for not using it.
Lawrence E. Wilkinson
(Industrial Chemist and ACS Member)

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