azeotrope$6349$ - définition. Qu'est-ce que azeotrope$6349$
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Qu'est-ce (qui) est azeotrope$6349$ - définition

WIKIMEDIA LIST ARTICLE
Azeotrope (data page); Azeotrope (data)

Azeotrope tables         
This page contains tables of azeotrope data for various binary and ternary mixtures of solvents. The data include the composition of a mixture by weight (in binary azeotropes, when only one fraction is given, it is the fraction of the second component), the boiling point (b.
Azeotrope         
  • Double azeotrope of benzene and hexafluorobenzene. Proportions are by weight.
  • Construction of the p-v-x diagram appropriate for an azeotrope
  • '''Azeotrope composition shift due to pressure swing.'''
  • Negative azeotrope – mixture of [[formic acid]] and water
  • Positive azeotrope – mixture of [[chloroform]] and [[methanol]]
  • Total vapor pressure of mixtures as a function of composition at a chosen constant temperature
  •  Saddle azeotropic system Methanol/Acetone/Chloroform calculated with mod. [[UNIFAC]]
MIXTURE OF TWO OR MORE LIQUIDS WHOSE PROPORTIONS DO NOT CHANGE FOLLOWING DISTILLATION
Azeotropic Mixture; Azeotropic; Aziotrope; Azeotropic mixture; Constant boiling mixture; Azeotropes; Azeotropic Solution; Azeotropy; Pressure swing distillation
An azeotrope () or a constant heating point mixture is a mixture of two or more liquids whose proportions cannot be altered or changed by simple distillation.Moore, Walter J.
azeotrope         
  • Double azeotrope of benzene and hexafluorobenzene. Proportions are by weight.
  • Construction of the p-v-x diagram appropriate for an azeotrope
  • '''Azeotrope composition shift due to pressure swing.'''
  • Negative azeotrope – mixture of [[formic acid]] and water
  • Positive azeotrope – mixture of [[chloroform]] and [[methanol]]
  • Total vapor pressure of mixtures as a function of composition at a chosen constant temperature
  •  Saddle azeotropic system Methanol/Acetone/Chloroform calculated with mod. [[UNIFAC]]
MIXTURE OF TWO OR MORE LIQUIDS WHOSE PROPORTIONS DO NOT CHANGE FOLLOWING DISTILLATION
Azeotropic Mixture; Azeotropic; Aziotrope; Azeotropic mixture; Constant boiling mixture; Azeotropes; Azeotropic Solution; Azeotropy; Pressure swing distillation
['e?z??tr??p, ?'zi:?-]
¦ noun Chemistry a mixture of two liquids which has a constant boiling point and composition throughout distillation.
Derivatives
azeotropic -'tr??p?k, -'tr?p?k adjective
Origin
early 20th cent.: from a-1 + Gk zein 'to boil' + tropos 'turning'.

Wikipédia

Azeotrope tables

This page contains tables of azeotrope data for various binary and ternary mixtures of solvents. The data include the composition of a mixture by weight (in binary azeotropes, when only one fraction is given, it is the fraction of the second component), the boiling point (b.p.) of a component, the boiling point of a mixture, and the specific gravity of the mixture. Boiling points are reported at a pressure of 760 mm Hg unless otherwise stated. Where the mixture separates into layers, values are shown for upper (U) and lower (L) layers.

The data were obtained from Lange's 10th edition and CRC Handbook of Chemistry and Physics 44th edition unless otherwise noted (see color code table).

A list of 15825 binary and ternary mixtures was collated and published by the American Chemical Society. An azeotrope databank is also available online through the University of Edinburgh.