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The pH scale

The pH scale

LC1.4.1.4

The pH scale

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Description

In this experiment the pH scale is introduced. Different acids and bases are mixed with indicators and the pH value is measured with universal Indicator paper.

Components of equipment sets

1	6703650	Ammonia solution, diluted, 2 mol/l, 500 ml
1	30945	Universal pencil
5	6659531	Dropping pipette 150 mm x 7 mm Ø
5	6659541	Dropper bulb
1	665997	Graduated pipette 10 ml
1	666003	Pipetting ball (Peleus ball)
1	667057	Test tube rack metal, 20 mm Ø
1	MA90204	Universal indicator paper pH 1...14, roll
5	6640421	Test tube Fiolax 16 mm x 160 mm
1	6641941 4	Pneumatic Tank, Plastic
1	610010	Laboratory safety goggles
1	6746960 4	Hydrochloric acid, 0.1 mol/l, 1 l Warning H290
1	6738411 4	Sodium hydroxide solution, 0.1 mol/l, 1 l Warning H290
1	6752570 4	Universal Indicator, 100 ml Danger H225 H319
1	6733050 4	Methylene orange solution, 0.1 %, 100 ml
1	6710800 4	Bromothymol blue solution, 0.1 %, 50 ml
1	6751600 4	Thymolphthalein solution, 0.1 %, 50 ml Warning H226 H319
1	6753410	Water, pure, 5 l

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The pH scale

Description

Components of equipment sets

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