Make a solution and watch it change to amber then to blue purple and back to colorless. Watch as it repeats the color cycle again and again. The oscillating reaction is one of the most amazing of all chemical reactions. Do experiments to learn how it works and discover its mechanism.

Concepts and Processes

solutions, concentrations, mechanism, catalyst, equilibrium, Briggs-Rauscher reaction, use of controls and variables

Contains malonic acid (5 g), manganese sulfate (1 g), sodium iodate (5 g), sodium thiosulfate (10 g), sulfamic acis (5 g), starch solution (20 mL), wooden rack, pipet, stirrers, spoon, small scoops, cups, MSDS and instructions.

The Class Room Size are packed in a plastic shoe-box and contain 5 times the quantity as the individual size. They include student instructions that may be copied for classroom use.

Hydrogen peroxide (3 %) is required, but not included.

Magnetic stirrer will increase oscillations, but is not required.

Recommended for ages 12 and up with adult supervision.

Warning: This kit cotains chemicals that may be harmful if misused!