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Determination of the bacterial count in water

Determination of the bacterial count in water

LB6.1.3.4

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Description

In this experiment the students examine various water samples from different bodies of water and compare their germ content. To do this, they create a dilution series of the respective water sample and incubate agar plates with it, which were filled with special plate count agar.

Components of equipment sets

1	6719720 4	Ethanol, denaturated, 1 l Danger H225 H319
3	664183 4	Petri dish, 100 x 20 mm, glass
1	602022 4	Beaker Boro 3.3, 100 ml, squat
1	665997 4	Graduated pipette 10 ml
1	665994 4	Graduated pipette 1 ml
1	666003 4	Pipetting ball (Peleus ball)
5	6640421 4	Test tube Fiolax 16 mm x 160 mm
1	667057 4	Test tube rack metal, 20 mm Ø
1	30945 4	Universal pencil
1	662334 4	Drigalski spatula, glass
1	610010 8	Laboratory safety goggles
1	6667031 8	Teclu burner, propane
1	6621131 4	Disinfectant spray Warning H226 H315 H319

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Determination of the bacterial count in water

Description

Components of equipment sets

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