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Detection of dissolved solid substances in different water samples

Detection of dissolved solid substances in different water samples

LC1.2.1.1

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Description

In this experiment, students investigate water samples for their salt content. To do this, they place a few drops of different water samples on separate watch glasses and evaporate them using a burner. They can then observe that, depending on the sample, different amounts of salts are present.

Components of equipment sets

1	6753410 4	Water, pure, 5 l
1	6735720 4	Sodium chloride, 1 kg
1	30109 4	Bosshead S
5	6659541 8	Dropper bulb
1	30121 8	Stand base MF
2	301271 4	Stand rod 40 cm, 10 mm Ø
1	30123 4	Stand feet, pair
5	6659531 4	Dropping pipette 150 mm x 7 mm Ø
5	664154 4	Watch glass dish 80 mm Ø
1	667035	Crucible tongs 200 mm
1	666688 4	Wire triangle with clay sleeves 60 mm
1	666573 4	Stand ring with stem 100 mm Ø
1	666685 4	Wire gauze 160 mm x 160 mm
1	610010 8	Laboratory safety goggles
1	6667031 8	Teclu burner, propane
1	6753410 4	Water, pure, 5 l

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Detection of dissolved solid substances in different water samples

Description

Components of equipment sets

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