Revisiting the Electric Pickle Demonstration
The electric pickle demonstration has long been used to explore the atomic emission of sodium ions, which emit a brilliant yellow–orange glow. The emission from other metal ions including lithium, potassium, strontium, and barium can also be demonstrated by pickling cucumbers with the correspondin...
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Veröffentlicht in: | Journal of chemical education 2005-04, Vol.82 (4), p.545 |
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creator | Rizzo, Michelle M Halmi, Tracy A Jircitano, Alan J Kociolek, Martin G Magraw, Jerry A David L. Dozark |
description | The electric pickle demonstration has long been used to explore the atomic emission of sodium ions, which emit a brilliant yellow–orange glow. The emission from other metal ions including lithium, potassium, strontium, and barium can also be demonstrated by pickling cucumbers with the corresponding chloride salt. Cucumbers were bleached with hydrogen peroxide, pickled using a 10% salt solution in vinegar, and electrified using a unique device. The pickled cucumbers glowed pink, purple, red, and yellow, respectively. The glowing pickles provided characteristic line spectra when visualized through a diffraction grating. This adaptation of a classic demonstration provides an eye-catching alternative to discharge tubes for classroom discussions of atomic emission and line spectra.Find this demonstration and others in the DigiDemos area of the JCE Digital Library. |
doi_str_mv | 10.1021/ed082p545 |
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Dozark</creator><creatorcontrib>Rizzo, Michelle M ; Halmi, Tracy A ; Jircitano, Alan J ; Kociolek, Martin G ; Magraw, Jerry A ; David L. Dozark</creatorcontrib><description>The electric pickle demonstration has long been used to explore the atomic emission of sodium ions, which emit a brilliant yellow–orange glow. The emission from other metal ions including lithium, potassium, strontium, and barium can also be demonstrated by pickling cucumbers with the corresponding chloride salt. Cucumbers were bleached with hydrogen peroxide, pickled using a 10% salt solution in vinegar, and electrified using a unique device. The pickled cucumbers glowed pink, purple, red, and yellow, respectively. The glowing pickles provided characteristic line spectra when visualized through a diffraction grating. 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Dozark</creatorcontrib><title>Revisiting the Electric Pickle Demonstration</title><title>Journal of chemical education</title><addtitle>J. Chem. Educ</addtitle><description>The electric pickle demonstration has long been used to explore the atomic emission of sodium ions, which emit a brilliant yellow–orange glow. The emission from other metal ions including lithium, potassium, strontium, and barium can also be demonstrated by pickling cucumbers with the corresponding chloride salt. Cucumbers were bleached with hydrogen peroxide, pickled using a 10% salt solution in vinegar, and electrified using a unique device. The pickled cucumbers glowed pink, purple, red, and yellow, respectively. The glowing pickles provided characteristic line spectra when visualized through a diffraction grating. 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subjects | Chemistry Colleges & universities Demonstrations (Educational) Emission analysis Experiments High Schools Higher Education Science education Science Experiments Science Instruction Sodium Teaching Methods |
title | Revisiting the Electric Pickle Demonstration |
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