Galvanisation of a metal

VC4.4.6.1
Galvanisation of a metal
Galvanisation of a metal

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Description

In experiment C4.4.6.1, a thin layer of copper is applied to a metal object (e.g. a key or a nail) by means of galvanisation. In so doing, the object is wired as a cathode and immersed in a copper sulfate solution. A copper plate serves as the anode, which is also immersed in the copper sulfate solution. The process is started by applying a direct current source (3V).

Components of equipment sets

1 6644071  8  Electrochemistry demonstration unit, CPS LD
1 301339  8  Stand bases, pair LD
1 664137  8  Beaker, Boro3.3, 100 ml, tall LD
1 664138  4  Beaker, Boro3.3, 250 ml, tall LD
1 59153  8  Plate electrodes copper 76 x 40 mm, set of 10 LD
1 50145  4  Connecting lead 19 A, 50 cm, red/blue, pair LD
1 501861  8  Crocodile-clips, polished, set of 6 LD
1 666767  8  Hotplate, 1500 W, 185 mm Ø LD
1 6670344  4  Tweezer, blunt, 145 mm LD
3 664153  4  Watch glass dish 60 mm Ø LD
1 ADAHCB602H Precision Balance, 600 g /0,01g, with USB interface LD
1 6724460  4  Potassium lye, 1 N (1 mol/l), 1 l LD
GHS05 H314 H290
1 6729600  4  Copper(II) sulfate-5-hydrate, 100 g LD
GHS07GHS09 H302 H319 H315 H410
1 6726710  4  Potassium sodium tartrate, 250 g LD
1 6736800  4  Sodium hydroxide, pellets, 100 g LD
GHS05 H314 H290
1 6753400  4  Water, pure, 1 l LD
1 additionally required:
object to be galvanised

Experiment Instructions

PDF (Experiment description) PDF (Experiment description) C4.4.6.1 Galvanisation of a metal
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