pH paper versus pH electrode - Digital

LC1.4.1.5C

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Description

In this methodical experiment, the analogue pH measurement with universal indicator paper is compared with the digital measurement with the pH electrode. To do this, the same substances are first examined with pH paper and then with the pH electrode. The students evaluate both methods and recognise the advantages and disadvantages of both measurement methods.

Components of equipment sets

1	6703650 4	Ammonia solution, diluted, 2 mol/l, 500 ml Danger H315 H318
1	30945 4	Universal pencil
1	667027 4	Tweezers, blunt, 130 mm
1	665997 4	Graduated pipette 10 ml
1	666003 4	Pipetting ball (Peleus ball)
1	MA90204 8	Universal indicator paper pH 1...14, roll
1	667057 4	Test tube rack metal, 20 mm Ø
5	6640421 4	Test tube Fiolax 16 mm x 160 mm
1	602022 4	Beaker Boro 3.3, 100 ml, squat
1	610010 8	Laboratory safety goggles
1	524005W2	Mobile-CASSY 2 WiFi
1	529673 8	pH combination electrode, BNC
1	524452 8	pH Adapter M
1	6744640 4	Buffer solution pH 4.00, 250 ml
1	6744670 4	Buffer solution pH 7.00, 250 ml
1	6746960 4	Hydrochloric acid, 0.1 mol/l, 1 l Warning H290
1	6719570 4	Acetic acid, 0.1 mol/l, 1 l
1	6738411 4	Sodium hydroxide solution, 0.1 mol/l, 1 l Warning H290
1	6753410 4	Water, pure, 5 l

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pH paper versus pH electrode - Digital

Description

Components of equipment sets

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