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  Home > JCE Print > Journal of Chemical Education > Issues > 1996  > May  >
Features
Tested Demonstrations
Glowing Veggies
Pirketta Scharlin
University of Turku, FIN-20500, Turku, Finland

Audrey A. Cleveland and Rubin Battino
Wright State University, Dayton, OH 45435

Monica E. Thomas
W. E. Stebbins High School, Dayton, OH 45424

Cover
May 1996
Vol. 73 No. 5
p. 457
Full Text
The children of Kathy Ireland experimented with vegetables they found in their refrigerator and came up with the demonstration known as the "glowing pickle." Peter Weimer and Rubin Battino extended this to glowing onions, cabbages, and potatoes, and also described a safe device for demonstration purposes. In this paper we extend our work to other vegetables and the spectra generated by other elements than the sodium in pickle brines. We also did a study on the effect of concentration and voltage on glow intensity. The "glow" is due to an arcing at one end of the vegetable through the vapor space formed during heating because the pickled or marinated vegetables act as resistors.

Featured on the Cover
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Citation
Scharlin, Pirketta; Cleveland, Audrey A.; Battino, Rubin; Thomas, Monica E. J. Chem. Educ. 1996 73 457.
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History
Created:
Last Updated:
9/23/1999
10/30/2006
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