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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
Components of equipment sets

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	672 7000 4	Potassium permanganate, 100 g Danger H272 H302 H410
1	673 7800 4	Sodium sulfite, 100 g
1	674 6910 4	Hydrochloric acid, 1 mol/l, 1 l Warning H290
1	309 45 4	Universal pencil
1	301 21 8	Stand base MF
2	301 271 4	Stand rod 40 cm, 10 mm Ø
1	301 23 4	Stand feet, pair
1	666 555 4	Universal clamp 0...80 mm
1	301 09 4	Bosshead S
2	602 022 4	Beaker Boro 3.3, 100 ml, squat
2	664 131 4	Beaker Boro 3.3, 400 ml, squat
1	665 009 4	Funnel PP 75 mm Ø
1	610 010 8	Laboratory safety goggles
1	670 2000 4	Activated charcoal, granulated, 100 g
1	672 1010 4	Glass wool, 100 g
1	674 8210 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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