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Determination of the melting point of salicylic acid

Determination of the melting point of salicylic acid

VC3.1.3.1

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Description

In experiment C3.1.3.1, the thiele tube is used to determine the melting point of salicylic acid. The melting point is, along with the boiling point, a characteristic property of every substance. The melting point determination apparatus is filled with paraffin and fitted with a thermometer. A melting point tube is filled with the substance to be assayed. The tube is inserted with the open side into the device in a way that it is positioned alongside the thermometer. The melting point is determined by slow heating in the water bath.

Components of equipment sets

1	667500	Melting point determination apparatus
1	661085 4	Melting point detection tubes, set of 100
1	667306 4	Silicone gaskets, GL 18/6, set of 10
1	666161 4	Chemical thermometer, -10...+250 °C/1 K
1	6668475	Magnetic stirrer with heating plate
1	666854 4	Stirring magnet, 50 mm x 8 mm diam.
1	666523 4	Stand rod, 450 x 12 mm diam., M10 thread
1	666555 4	Universal clamp 0...80 mm
1	30109 4	Bosshead S
1	602725 4	Laboratory dish, 140 mm diam., 900 ml
1	664154 4	Watch glass dish 80 mm Ø
1	6045682 4	Powder spatula, steel, 185 mm
1	665009 4	Funnel PP 75 mm Ø
1	656017 4	Teclu burner, universal
1	667187 4	Safety gas hose, 1 m
1	6740820 4	Paraffin, thick, 1 l
1	6746210 4	Salicylic acid, 100 g Danger H302 H318

Experiment Instructions

PDF (Experiment description)

C3.1.3.1 Determination of the melting point of salicylic acid

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Determination of the melting point of salicylic acid

Description

Components of equipment sets

Experiment Instructions

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