Dyes/Pigments

text: "Colour Change with Caffeine" preview image. images included: raspberries, brambles, hydrangea, vials of extract and molecular structure of caffeine
// Thursday, December 14, 2023 Iain Smellie
Co-Authored by Iain A. Smellie*, Alexandra G. Armitage*, Iain L. J. Patterson*, Renald Schaub*
color changing marshmallows
// Wednesday, July 19, 2023 Tom Kuntzleman
Jet-Puffed color changing marshmallows are an interesting new product that is available on the shelves of grocery stores through the end of September.1 The color of these marshmallows changes when exposed to heat: the blue version turns green, while the pink version turns orange.
Sn and Iodine reaction yields tin IV iodide
// Thursday, April 13, 2023 Iain Smellie
Co-Authored by Iain A. Smellie*, Iain L. J. Patterson*, Brian A. Chalmers* *University of St Andrews, School of Chemistry, North Haugh, St Andrews KY16 9ST, United Kingdom
collage of berries, flowers and purple colored solutions in 2 cans
// Tuesday, October 18, 2022 Iain Smellie
Co-Authored by Iain A. Smellie*, Iain L. J. Patterson* *University of St Andrews, School of Chemistry, North Haugh, St Andrews KY16 9ST, United Kingdom
collage of raspberries, colored solution in test tubes and inside of soup cans
// Friday, July 1, 2022 Iain Smellie
Co-Authored by Iain A. Smellie*, Iain L. J. Patterson* *University of St Andrews, School of Chemistry, North Haugh, St Andrews KY16 9ST, United Kingdom