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Fantastic Four Color Oscillator

firewatch

Publication 95036

Price: FREE

You won’t believe your eyes as you watch this amazing oscillating reaction! The color of the oscillating redox reaction changes from green to blue to purple to red in a seesaw battle between Ce(IV)/Ce(III) and Fe(II)/Fe(III) ions. And that’s not all—this four-color cycle will repeat itself for almost an hour!