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Subject: Re: Recent Lab Explosion
Date: Mon, 11 Jul 2005 07:16:34 EDT
Author: Jim Kaufman 		Next by Date:
Subject: Top Ten Laboratory Regulations
Date: Mon, 11 Jul 2005 07:06:46 EDT
Author: Jim Kaufman


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**siu.edu
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
up.

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.
President/CEO
jimkaufman**At_Symbol_Here**labsafety.org

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

192 Worcester Road, Natick, MA 01760-2252
508-647-1900  Fax: 508-647-0062
Cell: 508-574-6264   Res: 781-237-1335
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