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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 4	Ammonia solution, diluted, 2 mol/l, 500 ml Danger H315 H318
1	30945 4	Universal pencil
5	6659531 4	Dropping pipette 150 mm x 7 mm Ø
5	6659541 8	Dropper bulb
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	MA90204 8	Universal indicator paper pH 1...14, roll
5	6640421 4	Test tube Fiolax 16 mm x 160 mm
1	6641941 4	Pneumatic Tank, Plastic
1	610010 8	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 4	Water, pure, 5 l

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The pH scale

Description

Components of equipment sets

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