Zur Kenntnis der natürlichen Konvektion bei der Elektrolyse. 4. Mitteilung. Polarographische Untersuchung der Konzentrationsabhängigkeit des Grenzstroms

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Abstract
The validity range of the boundary layer theory of mass transfer by natural convection has been studied. Limiting currents were measured for deposition of Cd, Tl and Cu on vertical cathodes in unstirred solutions. The concentration ranged from 10−4 to 10−1 molar. Two kinds of electrodes were used: plane electrodes with heights varying from 0,1 to 4 cm and microwires of the type used in the polarography with solid electrodes.