From: Monona Rossol <0000030664c37427-dmarc-request**At_Symbol_Here**LISTS.PRINCETON.EDU>
Subject: Re: [DCHAS-L] Chemistry Demos for Community
Date: Thu, 30 Aug 2018 12:58:19 -0400
Reply-To: ACS Division of Chemical Health and Safety <DCHAS-L**At_Symbol_Here**PRINCETON.EDU>
Message-ID: 1658bc57a47-1ebd-5a29**At_Symbol_Here**webjas-vab094.srv.aolmail.net
In-Reply-To


Pat, Off forum I'll send you an unedited version of the printmaking chapter of the book that will come out in December. (hopefully). Obviously, it is copyrighted so it is yours alone.


The Chapter has a lot of general information on printmaking and a description of the copper sulfate/zinc plate process called Bordeaux etch and the current proponent.  But when I consult, I offer a bunch of other options as well, once I know the proclivities of the faculty -- the biggest risk factor in any planning.

Monona Rossol, M.S., M.F.A., Industrial Hygienist
President:  Arts, Crafts & Theater Safety, Inc.
Safety Officer: Local USA829, IATSE
Safety Consultant:  SAG-AFTRA
181 Thompson St., #23
New York, NY 10012     212-777-0062
actsnyc**At_Symbol_Here**cs.com   www.artscraftstheatersafety.org

 


-----Original Message-----
From: Patricia Redden <predden**At_Symbol_Here**SAINTPETERS.EDU>
To: DCHAS-L <DCHAS-L**At_Symbol_Here**PRINCETON.EDU>
Sent: Thu, Aug 30, 2018 12:37 pm
Subject: Re: [DCHAS-L] Chemistry Demos for Community

Monona, can you give some more details on the etching?  I'm teaching a science of art course and would love to include this.

Pat Redden

On Thu, Aug 30, 2018 at 11:04 AM, Monona Rossol <0000030664c37427-dmarc-request**At_Symbol_Here**lists.princeton.edu> wrote:
Sheila says: Cu-Al tradeoff demo: strips of aluminum pie plate in copper chloride solution produces copper & AlCl solution with color change. Takes time but you can do other demos while it runs.

I expand:  And both the Cu-AL trade off and the Cu-Zn trade off can be used to show that you can etch aluminum and zinc etching plates WITHOUT acid and still provide the art program with intaglio etching providing a money-eating, ventilation hogging, acid room for open pan nitric or hydrochloric etching and acid storage.  Instead, we can just put in one fume hood somewhere in the printmaking room with cabinets underneath and were done.

During the demo, you will have to feather brush the zinc plate periodically due to the deposits that cover and slow down that particular etch, but that's only a periodic little whisk.  

And this is only a start.  These reactions can also be used for types of metal plate lithography as well.

This is another reason I am now convincing my serious student-replacements to get both a year of inorganic and a year of organic chemistry somewhere in their higher ed programs -- at a minimum.  They NEED it.  And later, when I'm appointed to the position of "god," I'll require it.


Monona Rossol, M.S., M.F.A., Industrial Hygienist
President:  Arts, Crafts & Theater Safety, Inc.
Safety Officer: Local USA829, IATSE
New York, NY 10012     212-777-0062

 


-----Original Message-----
From: Kennedy, Sheila <s1kennedy**At_Symbol_Here**UCSD.EDU>
To: DCHAS-L <DCHAS-L**At_Symbol_Here**PRINCETON.EDU>
Sent: Thu, Aug 30, 2018 5:41 am
Subject: Re: [DCHAS-L] Chemistry Demos for Community

Cu-Al tradeoff demo: strips of aluminum pie plate in copper chloride solution produces copper & AlCl solution with color change. Takes time but you can do other demos while it runs.


~Sheila Kennedy


-------- Original message --------
Date: 8/29/18 3:16 AM (GMT-08:00)
Subject: Re: [DCHAS-L] Chemistry Demos for Community

I like the lit magnesium strips inside of a block of dry ice about 1 ft on a side.  Slice it in half (easy) and hollow out a center section.  Put Mg in center and put top back on.  Turn out lights and it will light any auditorium as the Mg burns from the oxygen of CO2.  Very Cool, low hazard with modest ventilation needs.

Lee Latimer

-----Original Message-----
From: Patricia Redden
Sent: Aug 28, 2018 1:37 PM
To: DCHAS-L**At_Symbol_Here**PRINCETON.EDU
Subject: Re: [DCHAS-L] Chemistry Demos for Community

1 L graduate filled with a variety of pH indicators - drop in solid dry ice to get bubbles and lots of color changes.  You can also check out Shakashiri's 3 books of great demos, including a wide variety of clock reactions that don't require hoods.

Pat Redden

On Tue, Aug 28, 2018 at 3:48 PM, Wilhelm, Monique <mwilhelm**At_Symbol_Here**umflint.edu> wrote:
I personally don't like using the hexanes outside.
 
Monique Wilhelm
Laboratory Manager
Department of Chemistry & Biochemistry
University of Michigan - Flint
 
From: ACS Division of Chemical Health and Safety [mailto:DCHAS-L**At_Symbol_Here**PRINCETON.EDU] On Behalf Of Reinhardt, Peter
Sent: Tuesday, August 28, 2018 3:41 PM
To: DCHAS-L**At_Symbol_Here**PRINCETON.EDU
Subject: Re: [DCHAS-L] Chemistry Demos for Community
 
I think the nylon rope trick is amazing. Isn't that relatively low hazard? - Pete Reinhardt, Yale
 
From: ACS Division of Chemical Health and Safety [mailto:DCHAS-L**At_Symbol_Here**PRINCETON.EDU] On Behalf Of Eggum, Janet
Sent: Tuesday, August 28, 2018 3:19 PM
To: DCHAS-L**At_Symbol_Here**PRINCETON.EDU
Subject: [DCHAS-L] Chemistry Demos for Community
 
Hello All,
 
Our Chemistry Dept.  has a community night, were they do demos.    Typically, this has taken place in a lecture hall with a demonstration fume hood.    Recently, our new science building came online, and the coordinator of this community night would like to do the demonstrations in a public atrium area.    I'm looking to the collective group for help.   Do you have a demonstration that is low hazard, but HIGH cool factor that could be an option?   
 
If you would like to contact me offline, my email is jghamo2**At_Symbol_Here**email.uky.edu.
 
 
Thank you so much for your help.
 
Jan
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