From: DCHAS Membership Chair <membership**At_Symbol_Here**DCHAS.ORG>
Subject: [DCHAS-L] RE; Safer heating devices
Date: Thu, 26 Jul 2018 11:23:00 -0400
Reply-To: ACS Division of Chemical Health and Safety <DCHAS-L**At_Symbol_Here**PRINCETON.EDU>
Message-ID: A9B8BBB7-D32E-48B3-B48E-8C21AD9D9500**At_Symbol_Here**

From: "Tammy M. Lutz-Rechtin"
Date: July 26, 2018 at 11:21:11 AM EDT

A ‰??one size fits all‰?? approach will not work for chemistry. Heating blocks are great for small volumes with multiple repetitions but not for other applications where you could create heat pockets within the solutions. Specifics are important when choosing a heating method. Depending on the temperature required, heating rate, length of heating, apparatuses involved, potential chemical and physical hazards, and mixing requirements, I might choose one method over another. The chemists should know the best method to be used.

One might want to demonstrate different methods to students. Every experiment does not need to be in a ‰??kit‰?? format. Personally, I am getting tired of everyone making everything so streamlined that students have no idea how to deal with varying methodology, hazards or think through situations.

Tammy Rechtin
Chemical Engineering Safety Coordinator

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