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From: David Roberts <droberts**At_Symbol_Here**DEPAUW.EDU>
Subject: Re: [DCHAS-L] Liquid Nitrogen Ice Cream
Date: Thu, 22 Sep 2016 19:28:40 -0400
Reply-To: ACS Division of Chemical Health and Safety <DCHAS-L**At_Symbol_Here**PRINCETON.EDU>
Message-ID: D552EFEB-AECA-4AD9-878F-7B4AD95FFDEB**At_Symbol_Here**depauw.edu
In-Reply-To <7d4e0ded231f4d388ef59f5eefa99551**At_Symbol_Here**MB8.byu.local>

Demystify: 

We make this constantly for all ages, college students to seniors to pre-school.  It's quite fun and great tasting.  Use Ben and Jerry's recipe, you can't fail with that.  2 qt heavy cream, 1 qt half and half, 1/3 cup sugar, and whatever chocolate/things you want to add in.  I usually use oreos smashed up - you can get all flavors of oreos to change the flavor of the ice cream, and I also usually add one bottle of choc. syrup since I love chocolate in everything.  Kids love it - can't go wrong.  Brownies and banana is quite good too ;)

Biggest hazard is simply splashing of liquid nitrogen.  You sometimes get a layer of liquid sitting on top of the ice cream, and if you stir a bit vigorously it can splash out, depending on your bucket.  When I do it I have the kids sit far behind, because their impulse is to come up and look directly in the bucket.  So as long as they stay behind the 5 Gauss line all is good ;).  

Enjoy - it's great stuff

Dave


On Sep 22, 2016, at 5:48 PM, Steve McLean <steve_mclean**At_Symbol_Here**BYU.EDU> wrote:

Melissa,
Over the years I've made lots of (nitrogen) ice cream at outreach events.  You can contact me directly if you want to discuss-
 
*******************
Steven J. McLean, ASP, CHMM
Academic Safety Manager
Risk Management, Safety, and Compliance
Brigham Young University
241 FB | Provo, UT 84602
Office: (801) 422-6879
Cell: (801) 960-5203
 
 
 
From: ACS Division of Chemical Health and Safety [mailto:DCHAS-L**At_Symbol_Here**PRINCETON.EDU] On Behalf Of Melissa Anderson
Sent: Thursday, September 22, 2016 2:30 PM
To: DCHAS-L**At_Symbol_Here**PRINCETON.EDU
Subject: [DCHAS-L] Liquid Nitrogen Ice Cream
 
I have a colleague who's interested in making liquid nitrogen ice cream as an outreach activity and he asked me about safety/risk implications. Does anyone have any experience with this from a risk assessment perspective?
 
Thanks!
Melissa Anderson
Chemistry Instructor
Pasadena City College
--- This e-mail is from DCHAS-L, the e-mail list of the ACS Division of Chemical Health and Safety. For more information about the list, contact the Divisional secretary atsecretary**At_Symbol_Here**dchas.org
--- This e-mail is from DCHAS-L, the e-mail list of the ACS Division of Chemical Health and Safety. For more information about the list, contact the Divisional secretary at secretary**At_Symbol_Here**dchas.org

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