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Extraction on Paper, an Active Learning Technique to Facilitate Student Understanding of Liquid-Liquid Extraction

preprint
submitted on 17.10.2019 and posted on 22.10.2019 by Kate J. McKnelly, William J. Howitz, Simon Lam, Renee Link

Undergraduate students often find it difficult to understand the chemical principles underlying liquid-liquid extractions. Explanations on how extractions work at the molecular level in textbook and internet resources are plentiful, but students still do not seem able to grasp how extractions work before having to perform the technique in a laboratory course. To address this difficulty in understanding, we developed an Extraction on Paper Activity. We envision this activity as a tool to help students understand and apply the chemical principles underlying liquid-liquid extractions outside of and before entering into a laboratory setting.

History

Email Address of Submitting Author

rlink@uci.edu

Institution

University of Calfornia Irvine

Country

United States

ORCID For Submitting Author

0000-0001-5751-297X

Declaration of Conflict of Interest

The authors declare no competing conflicts of interest.

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