Electrochemical equivalent


The electrochemical equivalent, sometimes abbreviated Eq or Z, of a chemical element is the mass of that element transported by 1 coulomb of electric charge. The electrochemical equivalent of an element is measured with a voltameter.
ElementElectrochemical equivalent
Silver0.0011181
Copper0.0003294
Hydrogen0.0000105

Definition

The electrochemical equivalent of a substance may be defined as the mass of the substance deposited to one of the electrodes when a current of 1 Ampere is passed for 1 Second, i.e. a quantity of electricity of one Coulomb is passed.