Previous by Date: Subject: Re: [DCHAS-L] iron pentacarbonyl Date: Wednesday, August 3, 2022 at 5:10:15 PM Author: John Callen <jbcallen**At_Symbol_Here**GMAIL.COM>
From: Jonathan Klane <jklane1**At_Symbol_Here**ASU.EDU>
Subject: Re: [DCHAS-L] iron pentacarbonyl
Date: Wed, 3 Aug 2022 14:18:37 -0700
Reply-To: ACS Division of Chemical Health and Safety <DCHAS-L**At_Symbol_Here**Princeton.EDU>
Message-ID: CANkUwArgnFNuW_o7c2PSeEV4595kwd7hPDYU8q83i0hqv4VoCA**At_Symbol_Here**mail.gmail.com
In-Reply-To <31932F30-601E-4C78-B66D-9BEA4DAF77B4**At_Symbol_Here**gmail.com>
Demystify:
I think that Debbie's question was about the meaning or definition intended by "explosion-proof hood".
Does it mean rated as class 1 division 1 as she suggests?
Or is it a less formal meaning that the hood structure won't give way, or will blow out vertically, or another similar meaning that isn't class 1, div 1.
Of course, I could be wrong. As I like to remind myself and others, "I've been wrong before, I'll be wrong again. I just happen to think I'm right this time." ;-)
I hope this helps.
All my best,
Jon
Jonathan Klane, M.S.Ed., CIH, CSP, CHMM, CIT
Senior Safety Editor, Lab Manager Magazine
PhD candidate, Human + Social Dimensions of Science + Technology
When I was in graduate research, I always took a very cautious and measured approach when I was working with or around others who were working with boranes, carbonyls and other pyrophorics, explosive & shock sensitive, etc. chemicals. That why I stated the use of an explosion-proof laboratory hood.
John Callen writes "...the meantime, Iron pentacarbonyl, as you know, is nasty stuff and should be used with extreme caution in an explosion-proof laboratory hood."
I'm wondering what you meant by the phrase "explosion-proof laboratory hood." This brings to mind for me Class 1, Division 1 electrical utilities to the hood, installed in a space with a similarly protected electrical system.
Is that your intent?
Debbie
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