Designing and Conducting a Purification Scheme as an Organic Chemistry Laboratory Practical

Kate J. Graham , Brian J. Johnson , T. Nicholas Jones , Edward J. McIntee and Chris P. Schaller
Department of Chemistry, College of Saint Benedict / Saint John''s University, St. Joseph, MN 56374-2099
J. Chem. Educ., 2008, 85 (12), p 1644
DOI: 10.1021/ed085p1644
Publication Date (Web): December 1, 2008
History, Education, and Documentation

Abstract

An open-ended laboratory practical has been developed that challenges students to evaluate when different purification techniques are appropriate. In contrast to most lab practicals, the overall grade includes an evaluation of spectral analysis as well as writing skills. However, a significant portion of the grade lies in successful execution of a purification technique. Most importantly, being able to decide upon the best approach to purification is a crucial component of the exercise.

Keywords (Audience):

First-Year Undergraduate / General

Keywords (Domain):

Laboratory Instruction

Keywords (Pedagogy):

Hands-On Learning / Manipulatives

Keywords (Subject):

IR Spectroscopy
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  • Received: August 03, 2009

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