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Lightstick Magic: Determination of the Activation Energy with PSL
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Abstract
The energy of activation of the light-producing reaction in a lightstick is determined in two different ways. Each depends upon a computer-assisted collection of data from both a light probe and temperature probe. One of them is novel in that data is collected under nonisothermal conditions.
Keywords (Audience):
First-Year Undergraduate / GeneralKeywords (Domain):
Inorganic ChemistryKeywords (Feature):
Filtrates and ResiduesKeywords (Pedagogy):
Computer-Based LearningKeywords (Subject):
Laboratory Computing / InterfacingCiting Articles
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This article has been cited by 6 ACS Journal articles (5 most recent appear below).
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Lightstick Kinetics
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Catherine L. McCluskey , Charles E. RoserJournal of Chemical Education1999 76 (11), 1514This experiment determines the energy of activation of the luminescent reaction in a lightstick by measuring the light intensity relative to temperature using Vernier light and temperature sensors, a Texas Instruments CBL interface, and a TI-82/83 ...
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Barbara A. Burke , Kamran Golestaneh and Helene Samson , Galen P. MellJournal of Chemical Education1999 76 (1), 65Luminosity, my dear Watson, luminosity! - Or, are those bloodstains?
Barbara A. Burke , Kamran Golestaneh and Helene Samson , Galen P. MellJournal of Chemical Education1999 76 (1), 65This version of the luminol demonstration illustrates the use of the luminol reaction as a presumptive test for bloodstains. The procedures developed for the demonstration are based on those used by forensic scientists. The high sensitivity of this test ...
Laser-Induced Fluorescence of Lightsticks
Carl Salter , Kevin Range and Gail SalterJournal of Chemical Education1999 76 (1), 84Laser-Induced Fluorescence of Lightsticks
Carl Salter , Kevin Range and Gail SalterJournal of Chemical Education1999 76 (1), 84Used mini lightsticks will fluoresce when inserted in a UV laser beam, making it easy to demonstrate that light of the same color is produced in both fluorescence and chemiluminescence.
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- Received: August 03, 2009
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