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Principle
A number of different mixtures of phenol and water are prepared and heated until complete miscibility is achieved. As the mixtures cool, two-phase systems form at certain temperatures which are recognisable by the appearance of turbidity. Plotting separation temperatures against compositions of the mixtures gives the separation curve.
Benefits
- Good and reproducible results due to temperature control in the experiment.
Tasks
- Plot the separation curve of the phenol / water binary system and prepare a temperature / mass fraction diagram.
- Determine the critical separation point.
Learning objectives
- Binary system
- Miscibility gap
- Mixed phase
- Coexisting phase
- Raoult's law
- Critical dissolution temperature
Necessary accessories
- Precision balance 620g/0.001g
Device name
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File type
(en) Versuchsbeschreibung
p3030501_en .pdf
File size 1.14 Mb
pdf
(es) Versuchsbeschreibung
p3030501_es .pdf
File size 0.96 Mb
pdf
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