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  Home > JCE Print > Journal of Chemical Education > Issues > 1995  > October  >
Secondary School Chemistry
Inventory Control
A New Low-Cost Apparatus for Electrolysis of Water
Chieko Suzuki
Department of Education, Shiga University, 2-5-1 Hiratsu, Ohtsu, 520 Japan
Cover
October 1995
Vol. 72 No. 10
p. 912
Abstract
Electrolysis of water is one of the very important subjects in chemistry classes. The limitations of the Hofmann apparatus includes its expense, its fragile nature, the difficulty of simultaneous use by numerous students, and the difficulty of determining the identity of the generated gases. These limitations have led to the development of alternative low-cost handmade apparatus for the electrolysis of water. The materials for making it are merely four pieces of 18-8 stainless steel wires(1.6- X 160-mm), one wooden stick (90-mm long), and some standing items in laboratories. The method of construction and the method of use are simpler and easier than those previously referenced. This apparatus is durable and rugged enough to endure rough treatment, is easily washable, and can be kept in a small space. Moreover, it needs a smaller quantity of electrolyte solution and just three dry cell batteries instead of DC power supply. The use of this apparatus with a 5% sodium hydroxide solution produced the favorable result by turning electricity on for 2 or 3 minutes.
More Information
*  Citation
 Suzuki, Chieko. J. Chem. Educ. 1995 72 912.
*  Keywords
*  History
 Created:
Last Updated:		 10/1/1999
5/22/2006
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