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Purification of a substance with water vapour distillation

Purification of a substance with water vapour distillation

VC2.4.3.3

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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 4	Adhesive magnetic board CPS, 500 mm
1	6664662 4	Holder, magnetic, size 2, 11...14 mm
2	6664663 4	Holder, magnetic, size 3, 18...22 mm
1	6666522 4	Heating Mantle, 250 ml
1	665338 4	Distillation bridge after Claisen
1	664300 8	Round-bottom flask, 100 ml, ST 19/26
1	664301 4	Round-bottom flask, 250 ml, ST 19/26
2	665391 4	Joint clip, plastic, ST 19/26
1	666425 4	Panel frame C50, two-level, for CPS
1	666161 4	Chemical thermometer, -10...+250 °C/1 K
1	30076 8	Laboratory stand II
2	604501 4	PVC tubing, 7 mm diam., 1 m
4	604460 4	Hose clamp, 8...12 mm
1	667295	Silicone gaskets, GL 18/8, set of 10
1	661091 4	Boiling stones 100 g
1	6610821	Stopcock grease
1		additionally required: one lemon or orange

Experiment Instructions

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PDF (Experiment description)	C2.4.3.3 Purification of a substance with water vapour distillation

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Purification of a substance with water vapour distillation

Description

Components of equipment sets

Experiment Instructions

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