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ERIC Number: EJ824919
Record Type: Journal
Publication Date: 2008-Jan
Pages: 4
Abstractor: As Provided
Reference Count: 13
ISBN: N/A
ISSN: ISSN-0021-9584
Electrochemical Polishing of Silverware: A Demonstration of Voltaic and Galvanic Cells
Ivey, Michelle M.; Smith, Eugene T.
Journal of Chemical Education, v85 n1 p68-71 Jan 2008
In this demonstration, the students use their knowledge of electrochemistry to determine that tarnish can be removed from silverware by electrochemically converting it back to silver using items commonly available in the kitchen: aluminum foil and baking soda. In addition to using this system as an example of a galvanic cell, an electrolytic cell is constructed using a battery and a graphite electrode, to first generate a layer of tarnish that can then be removed. (Contains 1 table and 1 figure.)
Division of Chemical Education of the American Chemical Society. Subscription Department, P.O. Box 1267, Bellmawr, NJ 08099-1267. Tel: 800-691-9846; Tel: 856-931-5825; Fax: 856-931-4115; e-mail: jchemed@egpp.com; Web site: http://www.jce.divched.org
Publication Type: Journal Articles; Reports - Descriptive
Education Level: N/A
Audience: N/A
Language: English
Sponsor: N/A
Authoring Institution: N/A