Sunday, 22 May 2005

This presentation is part of: High School Student Posters & Displays

Energetic Light: a Chemiluminescence Reaction

Robert Ngenzi, Monroe Township High School, Monroe Township, NJ

Chemiluminescence is an energy emission in the form of light which results when a molecule is excited and releases energy upon its drop back into its ground state. Luminol (5-amino-2,3-dihydro-1,4-phthalazinedione) and hydrogen peroxide (H202) were reacted under various conditions in order to test the effect of these conditions on the reaction's green chemiluminescence. These conditions included different concentrations of hydrogen peroxide, varied solution temperatures, and the addition of emulsifiers. Alterations to these factors were determined to affect the intensity of the light emitted, and the duration of the light emission.

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