Date: Tue, 12 Jul 2005 15:11:39 -0400
Reply-To: Paul Weller <wellerp**At_Symbol_Here**ELON.EDU>
Sender: DCHAS-L Discussion List <DCHAS-L**At_Symbol_Here**LIST.UVM.EDU>
From: Paul Weller <wellerp**At_Symbol_Here**ELON.EDU>
Subject: HF Cylinder
Don Abramowitz's memory is correct concerning a maximum shelf life for
HF cylinders.


The reference provided by Joseph Passanate,
also leads to an MSDS for cylinders of HF which recommends pressure must
be checked at least every two years.


Paul Weller
Science Laboratory Manager-Chemistry
Elon University



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