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Filtering with sand and activated charcoal filters /
Filtering with sand and activated charcoal filters

Filtering with sand and activated charcoal filters

LC1.2.3.1

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Description

In this experiment, the students filter clay water and a perfumed potassium permanganate solution through a sand filter and an activated carbon filter. They see that the sand filter can remove coarse residues and colour particles, but the activated carbon filters are much more thorough in removing the colour particles and odour particles. The students learn that groundwater seeped through sand must be further treated before consumption.

Components of equipment sets

1	6727000 4	Potassium permanganate, 100 g Danger H272 H302 H410
1	6737800 4	Sodium sulfite, 100 g
1	6746910 4	Hydrochloric acid, 1 mol/l, 1 l Warning H290
1	30945 4	Universal pencil
1	30121 8	Stand base MF
2	301271 4	Stand rod 40 cm, 10 mm Ø
1	30123 4	Stand feet, pair
1	666555 4	Universal clamp 0...80 mm
1	30109 4	Bosshead S
2	602022 4	Beaker Boro 3.3, 100 ml, squat
2	664131 4	Beaker Boro 3.3, 400 ml, squat
1	665009 4	Funnel PP 75 mm Ø
1	610010 8	Laboratory safety goggles
1	6702000 4	Activated charcoal, granulated, 100 g
1	6721010 4	Glass wool, 100 g
1	6748210 4	Sea sand, purified, 1 kg

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Filtering with sand and activated charcoal filters

Description

Components of equipment sets

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