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Fantastic Four-Color Oscillator—Chemical Demonstration Kit

By: The Flinn Staff

Item #: AP4833

Price: $59.55

With the Fantastic Four-Color Oscillator Chemical Demonstration Kit, students won’t believe their eyes as they watch this oscillating reaction. Simply pour solutions together and watch the solution flash green, blue, purple and red.

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This item can only be shipped to schools, museums and science centers

Product Details

Students won’t believe their eyes as they watch this amazing oscillating reaction! Simply measure out and pour together four solutions, wait about 10 seconds, and observe the solution flash to green and then to blue and to purple and to red. And if that’s not enough—this four-color cycle will repeat itself for well over an hour! Teacher Demonstration Notes included.

Concepts: Oscillating reactions, equilibrium.
Time Required: 20 minutes to 1 hour
Chemicals Provided: Potassium bromate solution, malonic acid/potassium bromide solution, cerium ammonium nitrate/sulfuric acid solution, and ferroin solution.