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Electrolytic refining of copper - Digital

Electrolytic refining of copper - Digital

LC3.1.4.4C

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Description

Copper has the second highest electrical conductivity of all elements and that is why it is of immense importance for electrical engineering. To extract copper, chalcopyrite is reduced in smelting furnaces and then purified by electrolytic refining. During this process, the raw copper metal is oxidised as an anode and re-deposited on a copper cathode by using electrolysis. The copper that is obtained in this way has a purity of 99.99 %. In this experiment, the students will produce high-purity copper themselves by electrolytic refining.

Components of equipment sets

1	667027 4	Tweezers, blunt, 130 mm
1	667017 4	Scissors 125 mm, round-ended
1	602022 4	Beaker Boro 3.3, 100 ml, squat
2	50186 4	Crocodile clip, polished
1	6643821 4	Plate electrode copper 43 x 28 mm
1	664391 8	Grindstone
1	688162 8	Cell batteries, pair
1	664392 8	Spare Diaphragms, 100 sheets
1	500422 4	Connecting lead 19 A, 50 cm, blue
1	500421 4	Connecting lead 19 A, 50 cm, red
1	610010 8	Laboratory safety goggles
1	524005W2	Mobile-CASSY 2 WiFi
1	524450 8	Electrochemistry Box M
1	6728600 4	Copper, sheets, 50 g
1	6729660 4	Copper(II) sulfate solution, 1 mol/l (15 %), 500 ml Danger H318 H400 H410
1	6708210 4	Petroleum ether, 100...140 °C, 500 ml Danger H225 H304 H315 H336 H411
1	6753410 4	Water, pure, 5 l

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Electrolytic refining of copper - Digital

Description

Components of equipment sets

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