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  Home > JCE Print > Journal of Chemical Education > Issues > 1998  > November  >
In the Classroom
Tested Demonstrations
Lead Globules
submitted by: Francisco J. Arnáiz and Maria R. Pedrosa
Laboratorio de Química Inorgánica, Universidad de Burgos, 09001 Burgos, Spain

checked by: Gordon A. Parker
Department of Natural Sciences, University of Michigan-Dearborn, Dearborn, MI 48128-1491

Cover
November 1998
Vol. 75 No. 11
p. 1431
Abstract
Typical demonstrations of lead deposition are usually conducted by reacting aqueous solutions of lead(II) acetate with zinc rods. Here we refer to the less known, also attractive, reaction of plumbate solutions with aluminum. A variety of lead films can be formed depending on the conditions. The method we describe permits obtaining a large lead globule in less than 1 minute. The globule is 1-3 cm in diameter and usually remains floating for a long time.
More Information
*  Citation
 Arnáiz, Francisco J.; Pedrosa, Maria R. J. Chem. Educ. 1998 75 1431.
*  Keywords
 demonstrations, lead, qualitative analysis, redox reactions
*  History
 Created:
Last Updated:		 June 18, 1999
June 24, 2005
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