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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.
Positive azeotropes are also called minimum boiling mixtures or pressure maximum azeotropes. A well-known example of a positive azeotrope is an ethanol –water mixture (obtained by fermentation of sugars) consisting of 95.63% ethanol and 4.37% water (by mass), which boils at 78.2 °C. [ 10 ]
Stability of residue curves in the vicinity of binary azeotropes. Pure components and azeotropic points are called nodes. Three different types are possible: Stable node: This is the pure component or the azeotropic point with the highest boiling temperature and lowest vapor pressure in a distillation region. All residue curves end at stable nodes.
The Dortmund Data Bank [1] (short DDB) is a factual data bank for thermodynamic and thermophysical data. Its main usage is the data supply for process simulation where experimental data are the basis for the design, analysis, synthesis, and optimization of chemical processes.
R&D Chemicals - Free compound search by chemical name, CAS Number, structure and substructure See also: PubChem , Entrez , PubMed , GenBank , Chemical database , CAS Registry Number , List of inorganic compounds , List of organic compounds , List of biomolecules , List of minerals , Inorganic compounds by element , Dictionary of chemical ...
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Phase diagram (left) and process flow diagram (right) of an apparatus for the azeotropic distillation with "material separation agent". In this case the phase diagram includes a zone where components are not miscible, so following the condensation of the azeotrope, it is possible to separate the liquid components through decantation.
A zeotropic mixture, or non-azeotropic mixture, is a mixture with liquid components that have different boiling points. [1] For example, nitrogen, methane, ethane, propane, and isobutane constitute a zeotropic mixture. [2]