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Buffer solutions

Buffer solutions

LC1.4.4.2

Buffer solutions

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Description

In this experiment the students learn about the buffer system acetic acid/sodium acetate and essential properties of a buffer. They measure the pH value with an universal Indicator.

Components of equipment sets

1	6735000 4	Sodium acetate-3-hydrate, 50 g
1	6753410 4	Water, pure, 5 l
1	30945 4	Universal pencil
1	665997 4	Graduated pipette 10 ml
1	666003 4	Pipetting ball (Peleus ball)
1	667057 4	Test tube rack metal, 20 mm Ø
1	665212 4	Glass stirring rod 200 x 8 mm Ø
3	6659541 8	Rubber bulb
3	6659531 4	Dropping pipette 150 mm x 7 mm Ø
1	602022 4	Beaker Boro 3.3, 100 ml, squat
4	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	6753410 4	Water, pure, 5 l
1	6719570 4	Acetic acid, 0.1 mol/l, 1 l
1	6746910 4	Hydrochloric acid, 1 mol/l, 1 l Warning H290
1	6738421 4	Sodium hydroxide solution, 1 mol/l, 1 l Danger H314 H290
1	6752570 4	Universal Indicator, 100 ml Danger H225 H319

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Buffer solutions

Description

Components of equipment sets

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