Electrical mobility


Electrical mobility is the ability of charged particles (such as electrons or protons) to move through a medium in response to an electric field that is pulling them. The separation of ions according to their mobility in gas phase is called Ion mobility spectrometry, in liquid phase it is called electrophoresis. When a charged particle in a gas or liquid is acted upon by a uniform electric field, it will be accelerated until it reaches a constant drift velocity. The electrical mobility of the particle is defined as the ratio of the drift velocity to the magnitude of the electric field:

Related formulas


μElectrical mobility (m2/V*s)
vdThe drift velocity (m/s)
EThe magnitude of the applied electric field (V/m)