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Standard potentials of metals using stand material /
Standard potentials of metals using stand material

Standard potentials of metals using stand material

VC4.4.3.2_s

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Description

To determine the potential of a half-cell, a reference parameter is necessary. By international agreement, the half-cell H₂/H₃O⁺ has been established as reference cell. That standard hydrogen electrode has been arbitrarily assigned the potential E⁰ = 0.00 V. In experiment C4.4.3.2, a standard hydrogen electrode is used to measure the standard potentials of various metals. This can be done either with the demonstration unit for electrochemistry or with CASSY and the prefabricated standard hydrogen electrode HydroFlex.

Components of equipment sets

1	664412 4	Standard hydrogen electrode HydroFlex
1	524005W2	Mobile-CASSY 2 WiFi
1	30041 4	Stand rod, 25 cm, 12 mm Ø
1	30011 4	Saddle base
1	30109 4	Bosshead S
1	666555 4	Universal clamp 0...80 mm
4	664111 4	Beaker, DURAN, 100 ml, tall
1	667455 8	Salt bridge, 90 mm x 90 mm, 20 mm diam.
1	667255 4	Rubber stopper, solid, 16...21 mm diam.
1	59153 8	Plate electrodes copper 76 x 40 mm, set of 10
1	59154 8	Plate electrodes, zinc, 76 x 40 mm, set of 10
1	571260	Adapter lead 2/4 mm, 30 cm, blue
1	500411 4	Connecting lead, 19 A, 25 cm, red
1	501861 8	Crocodile-clips, polished, set of 6
1	665754 4	Measuring cylinder 100 ml, with plastic base
1	ADAHCB602H	Precision Balance, 600 g /0,01g, with USB interface
1	6726800 4	Potassium nitrate, 100 g Warning H272
1	6729600 4	Copper(II) sulfate-5-hydrate, 100 g Danger H302 H318 H400 H410
1	6755410 4	Zinc sulfate-7-hydrate, 250 g Danger H302 H318 H410
1	6747920 4	Sulfuric acid, diluted, approx. 2 N (= 10 %), 500 ml Warning H290 H315 H319
1	6753400 4	Water, pure, 1 l

Experiment Instructions

PDF (Experiment description)

C4.4.3.2s Standard potentials of metals using stand material

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Standard potentials of metals using stand material

Description

Components of equipment sets

Experiment Instructions

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