Analysis of Peppermint Leaf and Spearmint Leaf Extracts by Thin-Layer Chromatography

In this inquiry-based activity, the usefulness of thin-layer chromatography (TLC) to visualize the difference between spearmint and peppermint is explored. The experiment may be used in any class where TLC is discussed from high school to college. We have used this activity with science majors in an...

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