Electrolytic polarisation

VC4.4.5.1_p
Electrolytic polarisation
Electrolytic polarisation

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Description

In experiment C4.4.5.1 the voltage during an electrolysis is raised starting from zero. Note that there is no significant flow of current until a certain voltage level is reached. That voltage is called the decomposition voltage or the deposition voltage. It is the combination of the polarisation voltage and the overvoltage. Both parameters depend on the electrode material. Different electrode materials are investigated in experiment C4.4.5.1.

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1 6644071  8  Electrochemistry demonstration unit, CPS LD
1 666425  4  Panel frame C50, two-level, for CPS LD
1 666472  4  Table for electrochemistry, CPS LD
1 665754  4  Measuring cylinder 100 ml, with plastic base LD
1 664401  4  Electrochemistry accessories set LD
1 6738410  4  Sodium hydroxide solution, 0.1 mol/l, 500ml LD
GHS05 H290
1 6729660  4  Copper(II) sulfate solution, 1 mol/l (15 %), 500 ml LD
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