DCHAS-L Archives, Mar 20, 2023 - Re: [DCHAS-L] SF6 for demonstrations

Although these are only video clips, they do not state that it is important to purge as much SF6 from your lungs as possible.

In that second link, the demonstrator starts our referring to hydrogen making his voice a higher pitch. It is too dangerous to breath hydrogen due to its flammability. Helium is better, however, be aware that these is a helium shortage.

David

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David A. Katz

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From: ACS Division of Chemical Health and Safety <DCHAS-L**At_Symbol_Here**Princeton.EDU> on behalf of Stephen Dahl <000018f673fbc38a-dmarc-request**At_Symbol_Here**LISTS.PRINCETON.EDU>
Sent: Monday, March 20, 2023 8:38 AM
To: DCHAS-L**At_Symbol_Here**Princeton.EDU <DCHAS-L**At_Symbol_Here**Princeton.EDU>
Subject: Re: [DCHAS-L] SF6 for demonstrations

A search of YouTube with the terms…

Professor inhales gas

Yields many videos

Here is one:

https://www.youtube.com/shorts/vdMBL-hzYWw

Here is another:

https://www.youtube.com/watch?v=8B9rDZZaKs8

From: ACS Division of Chemical Health and Safety <DCHAS-L**At_Symbol_Here**Princeton.EDU> On Behalf Of Monona Rossol
Sent: Friday, March 17, 2023 2:07 PM
To: DCHAS-L**At_Symbol_Here**Princeton.EDU
Subject: Re: [DCHAS-L] SF6 for demonstrations

External Email - Use Caution

That is the most peculiar thing I've heard in a LONG while. Any chance of getting a copy of that video? Monona

-----Original Message-----
From: Murphy, Dr. Ruth Ann <rmurphy**At_Symbol_Here**UMHB.EDU>
To: DCHAS-L**At_Symbol_Here**Princeton.EDU
Sent: Thu, Mar 16, 2023 5:23 pm
Subject: Re: [DCHAS-L] SF6 for demonstrations

Hi, Melinda,

In teaching the Physics of Music, I used a text with accompanying videos by an instructor from the Univ. of Maryland. This was some years back! In a video he inhales SF6 and then explains the need to hang upside down from a table to let the heavy gas get out of his lungs.
I shared this information with a colleague who said he does the demo without this precaution and everything is always fine.
Being cautious, I rely on videos to show rather than demonstration.

Best regards,

Ruth Ann

Ruth Ann Cook Murphy, Ph.D.

Professor of Chemistry

Co-Chairperson, Health Professions Advisory Committee

Amy LeVesconte Professorship of Chemistry

JAMP Faculty Director

University of Mary Hardin-Baylor

900 College Street

Belton, TX 76513-2599

Phone 254.295.4542

From: ACS Division of Chemical Health and Safety <DCHAS-L**At_Symbol_Here**Princeton.EDU> On Behalf Of Melinda Box
Sent: Thursday, March 16, 2023 9:53 AM
To: DCHAS-L**At_Symbol_Here**Princeton.EDU
Subject: [DCHAS-L] SF6 for demonstrations

EXTERNAL Exercise Caution

Hello, everyone,

I have been tasked with investigating procedures for use of SF6 for lecture demonstrations. So I wanted to check in with you all to find out if you have any experience with supplying or supporting this demo and if so what tips, pointers, precautions, and/or prohibitions you might be willing to pass on.

Any help or info much appreciated,

Thanks,

Melinda Box, MEd, CCHO

Elon University

Chemistry Dept Lab Manager

(336) 278-6225

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