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Thomas S. Kuntzleman; Dean J. Campbell – Journal of Chemical Education, 2022
So-called "Color Wonder" markers contain colorless dyes that only display color when used to mark on special "Color Wonder" paper. These markers make use of leuco dyes that only develop color in the presence of acid. These markers provide science educators with a novel chemical system that can be implemented in inquiry-based…
Descriptors: Chemistry, Science Instruction, Science Experiments, Laboratory Experiments