Items of practical use are frequently coated with a layer of
nickel, chromium, silver or gold, for aesthetical reasons or as
protection against corrosion. The coating process is carried out
electrochemically, and is called galvanisation.
The students are to coat a part of a sheet of iron with a
layer of metallic copper in a model experiment.
Demonstrate, in a model experiment, how a sheet of iron can be
coated with a layer of copper.
| Materiallist (Excerpt) |
Product |
Amount |
|
Power supply 0...12 V DC/ 6 V, 12 V AC, 230 V
|
13505-93
|
1
|
|
Multi-range meter, analogue
|
07028-01
|
1
|
|
On-off switch module, SB
|
05602-01
|
1
|
|
Interrupted connector module, SB
|
05601-04
|
2
|
|
Water, distilled 5 l
|
31246-81
|
1
|
|
Junction module, SB
|
05601-10
|
2
|
|
Sulphuric acid, 10%, tech.gr., 1000 ml
|
31828-70
|
1
|
|
Copper-II sulphate,cryst. 250 g
|
30126-25
|
1
|
|
Straight connector module, SB
|
05601-01
|
1
|
|
Angled connector module, SB
|
05601-02
|
4
|
|
Denaturated alcohol (spirit for burning), 1000 ml
|
31150-70
|
1
|
|
Trough, grooved, w/o lid
|
34568-01
|
1
|
|
Emery paper, medium, 5 sheets
|
01605-02
|
1
|
|
Alligator clips, bare, 10 pcs
|
07274-03
|
1
|
|
Connecting cord, 32 A, 500 mm, red
|
07361-01
|
1
|
|
Connecting cord, 32 A, 500 mm, blue
|
07361-04
|
1
|
|
Iron electrode, 76x40mm
|
45216-00
|
2
|
|
Connecting cord, 32 A, 250 mm, red
|
07360-01
|
2
|
|
Connecting cord, 32 A, 250 mm, blue
|
07360-04
|
2
|
|
Copper electrode 76x40 mm
|
45212-00
|
2
|
|
Spoon,w.spatula end,18 cm,plastic
|
38833-00
|
1
|
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