Date: Mon, 11 Jul 2005 07:23:27 EDT
Reply-To: Labsafe**At_Symbol_Here**AOL.COM
Sender: DCHAS-L Discussion List <DCHAS-L**At_Symbol_Here**LIST.UVM.EDU>
From: Jim Kaufman <Labsafe**At_Symbol_Here**AOL.COM>
Subject: Re: DCHAS-L Digest - 9 Jul 2005 to 10 Jul 2005 (#2005-80)
Comments: cc: labsafety-l**At_Symbol_Here**
In a message dated 7/11/2005 12:02:39 AM Eastern Daylight Time,
LISTSERV**At_Symbol_Here**LIST.UVM.EDU writes:

> 6HF + 2Fe yields 2FeF3 + 3H2

2HF + Fe = FeF2 + H2

It does not matter whether it forms FeF3 or FeF2.  In either case there will
be fewer gas molecules in the cylinder and the pressure will go down and not

Therefore, I agree with Jay (although it pains me to no extent ), that
the tank ruptured because of the wall thinning.

James A. Kaufman, Ph.D.

The Laboratory Safety Institute
A Nonprofit International Organization for
Safety in Science and Science Education

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