Difference between revisions of "Azeotrope"

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== Description ==
 
== Description ==
  
A mixture of two or more liquids that distill (vaporize) at the same composition as the original mixture. For example a 95% [http://cameo.mfa.org/materials/fullrecord.asp?name=ethyl%20alcohol ethanol] and 5% [http://cameo.mfa.org/materials/fullrecord.asp?name=water water] mixture will retain the same composition in the vapor state as in the liquid state. Since this mixture boils at a lower temperature than either of the individual components, it is difficult to remove the last 5% of water in an ethanol solution.
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A mixture of two or more liquids that distill (vaporize) at the same composition as the original mixture. For example a 95% [[ethyl%20alcohol|ethanol]] and 5% [[water|water]] mixture will retain the same composition in the vapor state as in the liquid state. Since this mixture boils at a lower temperature than either of the individual components, it is difficult to remove the last 5% of water in an ethanol solution.
  
== Authority ==
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== Resources and Citations ==
  
 
* Richard S. Lewis, ''Hawley's Condensed Chemical Dictionary'', Van Nostrand Reinhold, New York, 10th ed., 1993
 
* Richard S. Lewis, ''Hawley's Condensed Chemical Dictionary'', Van Nostrand Reinhold, New York, 10th ed., 1993

Latest revision as of 12:21, 3 November 2020

Description

A mixture of two or more liquids that distill (vaporize) at the same composition as the original mixture. For example a 95% ethanol and 5% Water mixture will retain the same composition in the vapor state as in the liquid state. Since this mixture boils at a lower temperature than either of the individual components, it is difficult to remove the last 5% of water in an ethanol solution.

Resources and Citations

  • Richard S. Lewis, Hawley's Condensed Chemical Dictionary, Van Nostrand Reinhold, New York, 10th ed., 1993
  • Random House, Webster's Encyclopedic Unabridged Dictionary of the English Language, Grammercy Book, New York, 1997
  • The American Heritage Dictionary or Encarta, via Microsoft Bookshelf 98, Microsoft Corp., 1998