![Upper school chemistry teacher Andrew Irvine assists Arturo Vilalta (10) with the paper chromatography lab. Students determined which M&M flavors contained yellow #5 using chromatography.](https://harkeraquila.com/wp-content/uploads/2024/03/IMG_4743-e1709768236817-1200x901.jpg)
Honors Chemistry students sweeten science with M&M chromatography
by Ashley Mo, Assistant STEM Editor
• March 8, 2024
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