Chemical testing for water

LC1.2.2.2

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Description

In this experiment the students learn about copper sulphate as a water detection agent. For this purpose, anhydrous, white copper sulphate is first prepared. In the presence of water, the crystals turn into a blue copper aqua complex.

Components of equipment sets

1	30945 4	Universal pencil
2	6659531 4	Dropping pipette 150 mm x 7 mm Ø
2	6659541 8	Dropper bulb
1	6045682 4	Powder spatula, steel, 185 mm
1	667031 4	Test tube holder 20 mm Ø
4	664154 4	Watch glass dish 80 mm Ø
1	667057 4	Test tube rack metal, 20 mm Ø
2	6640421 4	Test tube Fiolax 16 mm x 160 mm
1	610010 8	Laboratory safety goggles
1	667609 4	Safety gloves, nitrile rubber, size 8
1	6667031 8	Teclu burner, propane
1	6735720 4	Sodium chloride, 1 kg
1	6729630 4	Copper(II) sulfate-5-hydrate, 500 g Danger H302 H318 H400 H410
1	6708200 4	Petroleum ether, 90...110 °C, 250 ml Danger H225 H304 H315 H336 H411

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Chemical testing for water

Description

Components of equipment sets

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