Paper chromatography demonstrates separation of colors from inks. While not part of the new requirements, it is relatively easy and safe. Then, I'll relate this to how you can use solvents to clean things, which leads nicely to a neat demonstration of using isopropyl alcohol to clean a sharpie marker from various things in the classroom.



ChemistryMeritBadge/PaperChromatography (last edited 2008-03-10 01:38:17 by localhost)