pH indicators

Recreating the Mary Poppins Colored Medicine Scene with Acid-Base Indicators

Nick Thomas | Mon, 09/27/2021 - 13:21

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When introducing acid-base theory, the concept of indicators and their pH color changes is usually discussed. To illustrate some color transitions to students, a classroom demonstration has been devised based on a memorable scene from Disney’s 1964 movie Mary Poppins.

Investigations of Chemicals in Natural Food Coloring. Part 3: Sunflower

Tom Kuntzleman | Tue, 03/28/2017 - 08:39

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The chemistry of the Sunflower dye found in McCormick’s Color from Nature food dyes is explored in this post. This is the last in a three-part series in which several experiments and demonstrations that can be done with Color from Nature food dyes are described.

Investigations of Chemicals in Natural Food Coloring. Part 2: Berry

Tom Kuntzleman | Mon, 02/27/2017 - 13:42

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The chemistry of the Berry dye found in McCormick's Color From Nature food colors is explored. This is part two of a three-part series in which the chemistry of McCormick's Color From Nature food colors is presented.