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Slide Projector Corrosion Cell
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Abstract
The corrosion of metals, especially iron, is a serious problem that costs billions of dollars every year. The process of corrosion can be demonstrated in a slide projector, since the cell is in the shape of a slide, or on the stage of an overhead projector by setting up a simple galvanic cell.Corrosion occurs as the result of a galvanic cell reaction, in which the corroding metal acts as the anode.Several simple demonstrations relating to corrosion are described here, for example : differential aeration cell, differential temperature cell, stress–corrosion cracking, and cathodic protection. We have found this kind of presentation to be very successful. Even in a large lecture room, the demonstration can be easily seen by all of the students.
Keywords (Audience):
High School / Introductory ChemistryKeywords (Domain):
DemonstrationsKeywords (Feature):
Overhead Projector DemonstrationsKeywords (Subject):
ElectrochemistryCiting Articles
Citation data is made available by participants in CrossRef's Cited-by Linking service. For a more comprehensive list of citations to this article, users are encouraged to perform a search in SciFinder.
This article has been cited by 1 ACS Journal articles (1 most recent appear below).
Demonstrating Corrosion Using Galvanic Cells
Algirdas SulciusJournal of Chemical Education2003 80 (10), 1138Demonstrating Corrosion Using Galvanic Cells
Algirdas SulciusJournal of Chemical Education2003 80 (10), 1138Comments on and suggestions for improving the original experimental procedure.
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- Received: August 03, 2009
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