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Burning phosphorus under water safely
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Abstract
A safer method for demonstrating the burning of white phosphorous under water is described. This demonstration uses 3% hydrogen peroxide solution and manganese dioxide as the oxygen source, eliminating the use of potentially explosive potassium chlorate. The oxygen generation is manually controlled by means of a stopcock on the dropping funnel. The apparatus has been designed to provide a most spectacular display, especially in the dark, lasting an hour or longer if desired, and eliminates the noxious phosphorous odor.
Keywords (Audience):
High School / Introductory ChemistryKeywords (Domain):
DemonstrationsKeywords (Feature):
Tested DemonstrationsKeywords (Subject):
PhosphorusCiting Articles
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This article has been cited by 1 ACS Journal articles (1 most recent appear below).
Combustion of white phosphorus
Richard L. Keiter and Chaminda P. Gamage , Paul E. SmithJournal of Chemical Education2001 78 (7), 908Combustion of white phosphorus
Richard L. Keiter and Chaminda P. Gamage , Paul E. SmithJournal of Chemical Education2001 78 (7), 908The reaction of white phosphorus with pure oxygen is conveniently and safely demonstrated by carrying out the reaction in a retort that has its open end submerged in water. After filling the retort with oxygen gas, a small amount of white phosphorus is ...
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History
- Received: August 03, 2009
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