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Weston Cell

A voltaic cell that is used as a reference emf.

EMF (absolute at 20°C) = 1.0186 Volts

EMF (international) = 1.0183 Volts

Temperature dependence is:

where

E_t = Electromotive Force [Volts]
t = temperature [°C]

See also: Battery, Clark Cell.

Subjects: Physics