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Thermal Equilibrium in Plastic and Glass Microscale Containers

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Estela Curbelo , María F. Cerdá and Eduardo Méndez

Laboratorio de Biomateriales, Instituto de Química Biológica, Facultad de Ciencias de la Universidad de la República, 11400 Montevideo, Uruguay

J. Chem. Educ., 2007, 84 (8), p 1326

DOI: 10.1021/ed084p1326

Publication Date (Web): August 1, 2007

Section:

History, Education, and Documentation

Abstract

Thermal equilibration of solutions in plastic microscale containers is achieved more slowly than in glass containers, owing to the lower thermal conductivity of plastic materials. The extended thermal equilibration time should be taken into account in the design of microscale experiments, particularly in physical chemistry, where measurements have to be carried out under thermodynamic equilibrium conditions.

Keywords (Audience):

Graduate Education / Research

Keywords (Domain):

Physical Chemistry

Keywords (Feature):

The Microscale Laboratory

Keywords (Pedagogy):

Hands-On Learning / Manipulatives

Keywords (Subject):

Heat Capacity

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This article has been cited by 1 ACS Journal articles (1 most recent appear below).

Multiple Experiments and a Single Measurement: Introducing Microplate Readers in the Laboratory
Santiago Botasini, Laura Luzuriaga, María F. Cerdá, and Eduardo Méndez, Gerardo Ferrer-Sueta and Ana Denicola
Journal of Chemical Education2010 87 (10), 1011-1014
- Multiple Experiments and a Single Measurement: Introducing Microplate Readers in the Laboratory
  Santiago Botasini, Laura Luzuriaga, María F. Cerdá, and Eduardo Méndez, Gerardo Ferrer-Sueta and Ana Denicola
  Journal of Chemical Education2010 87 (10), 1011-1014
  This report discusses the advantages of the use of microplate readers in instructional laboratories. Treated topics include equipment and supplies options, warnings and suggestions, as well as applications in analytical chemistry, physical chemistry, ...
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