Purification of a substance with water vapour distillation

VC2.4.3.3
Purification of a substance with water vapour distillation
Purification of a substance with water vapour distillation

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Description

In experiment C2.4.3.3, water vapour distillation is used to isolate fragrance and flavouring substances from crushed plant parts. The readily volatile fragrance and flavouring substances are carried away by the hot steam. In addition, the water solubility of these essential oils is temperature dependent. They dissolve in the hot water in the receiver flask. During cooling in the distillation unit, the water and essential oil separate again. In this way, the oil can be easily separated from the solvent water.

Components of equipment sets

2 6664659  8  Adhesive magnetic board 500 mm LD
1 6664662  8  Holder, magnetic, size 2, 11...14 mm LD
2 6664663  8  Holder, magnetic, size 3, 18...22 mm LD
1 6666522  4  Heating Mantle, 250 ml LD
1 665338  4  Distillation bridge after Claisen LD
1 664300  4  Round-bottom flask, 100 ml, ST 19/26 LD
1 664301  4  Round-bottom flask, 250 ml, ST 19/26 LD
2 665391 Joint clip, plastic, ST 19/26 LD
1 666425  8  Panel frame C50, two-level, for CPS LD
1 666161  4  Chemical thermometer, -10...+250 °C/1 K LD
1 30076  8  Laboratory stand II LD
2 604501  4  PVC tubing, 7 mm diam., 1 m LD
4 604460  4  Hose clamp, 8...12 mm LD
1 667295  4  Silicone gaskets, GL 18/8, set of 10 LD
1 661091  4  Boiling stones 100 g LD
1 661082  4  Stopcock grease, 60 g LD
1 additionally required:
one lemon or orange
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